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Top 50 Clean Energy VC Funds & Investors in United States (August 2026)

The most active venture capital funds investing in United States Clean Energy startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in United States Clean Energy startup companies. Find investors to raise a Seed, Series A or Series B round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
Breakthrough Energy Ventures
VC Fund
11 United States, Canada, France Series A, Series B Energy, Renewable Energy, Manufacturing $10M–$193M
Clean Energy Venture Group
VC Fund
10 United States, Canada Seed, Series A Energy, Renewable Energy, Manufacturing $1M–$11M
Third Sphere
VC Fund
9 United States, United Kingdom, Israel Seed, Pre-Seed, Convertible Note Software, Energy, Hardware $100k–$7.5M
Lowercarbon Capital
VC Fund
9 United States, United Kingdom, France Seed, Series A, Series B Renewable Energy, Energy, Biotechnology $3.8M–$150M
Khosla Ventures
VC Fund
8 United States, India, United Kingdom Series A, Series B, Seed Software, Artificial Intelligence, Health Care $2M–$100M
Energy Impact Partners
VC Fund
7 United States, Canada, United Kingdom Series A, Series B, Series C Software, Energy, Renewable Energy $10M–$128M
Collaborative Fund
VC Fund
7 United States, United Kingdom, South Korea Seed, Series A, Series B Software, Food and Beverage, Artificial Intelligence $1.2M–$85M
Alumni Ventures
VC Fund
7 United States, United Kingdom, Canada Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $1.5M–$79M
Good Growth Capital
VC Fund
6 United States, France, Israel Seed, Series A, Convertible Note Health Care, Biotechnology, Software $25k–$20M
Wonder Ventures
VC Fund
6 United States Seed, Pre-Seed, Series A Software, Health Care, Internet $550k–$46M
Jericho Energy Ventures
VC Fund
6 United States Series A, Corporate Round Energy, CleanTech, GreenTech $3M–$11M
Safar Partners
VC Fund
6 United States, China, Italy Seed, Series A, Series B Biotechnology, Health Care, Information Technology $1.5M–$863M
Everywhere Ventures
VC Fund
6 United States, Australia, India Pre-Seed, Seed, Series A Software, Health Care, FinTech $500k–$20M
Prelude Ventures
VC Fund
5 United States, Canada Series A, Series B, Series C Software, Energy, Renewable Energy $6.8M–$128M
Climate Pledge Fund
VC Fund
5 United States, Canada, India Series A, Series B Energy, CleanTech, Renewable Energy $11M–$246M
Tamarack Global
VC Fund
5 United States, Denmark Seed, Series A, Series B Aerospace, CleanTech, Clean Energy $1.8M–$700M
Foothill Ventures
VC Fund
5 United States, China, Canada Seed, Series A Artificial Intelligence, Software, Biotechnology $1.5M–$35M
Crosscut Ventures
VC Fund
5 United States, Colombia Seed, Series A Software, Information Technology, Internet $1.5M–$20M
Overture Ventures
VC Fund
5 United States, Canada Seed, Series A, Series B Manufacturing, Software, Renewable Energy $2M–$150M
The Engine
VC Fund
5 United States Seed, Series A, Series B Biotechnology, Health Care, Software $2M–$150M
Clean Energy Ventures
VC Fund
5 United States, Canada, Israel Seed, Series A, Convertible Note Manufacturing, Energy, Renewable Energy $500k–$26M
Austin Ventures
VC Fund
5 United States, China, Japan Series B, Series A, Series C Software, Enterprise Software, Internet $1.6M–$30M
Shell Ventures
VC Fund
5 United States, United Kingdom, India Series A, Series B Energy, Renewable Energy, Software $2.8M–$126M
AP Ventures
VC Fund
5 United States, France, Norway Series A, Seed Energy, Renewable Energy, Manufacturing $3.1M–$23M
DCVC
VC Fund
4 United States, Canada, United Kingdom Seed, Series A, Series B Software, Artificial Intelligence, Machine Learning $1.5M–$139M
Horizons Ventures
VC Fund
4 United States, United Kingdom, Canada Series A, Series B, Seed Biotechnology, Software, Artificial Intelligence $1M–$110M
Starlight Ventures
VC Fund
4 United States, Finland, Italy Seed, Series A, Convertible Note Biotechnology, Energy, Health Care $110k–$100M
Hess Corporation
VC Fund
4 United States Series A Energy, CleanTech, GreenTech $3M–$11M
Countdown Capital
VC Fund
4 United States Seed, Pre-Seed Aerospace, Artificial Intelligence, Manufacturing $1.5M–$12M
SYSTEMIQ
VC Fund
4 United States, United Kingdom Series A, Series B, Seed Artificial Intelligence, Energy, Software $380k–$34M
Congruent Ventures
VC Fund
4 United States, Canada, United Kingdom Seed, Series A, Series B Software, Energy, Robotics $2.1M–$90M
New York Ventures
VC Fund
4 United States, Canada, Israel Seed, Series A, Series B Health Care, Biotechnology, Software $1.5M–$53M
Powerhouse Ventures
VC Fund
4 United States, Canada, United Kingdom Seed, Series A, Pre-Seed Software, Energy, Solar $1.1M–$30M
Backstage Capital
VC Fund
4 United States, United Kingdom Seed, Pre-Seed, Series A Software, Health Care, Internet $100k–$20M
Anzu Partners
VC Fund
4 United States, Canada, Spain Series A, Series B Software, Biotechnology, Manufacturing $5M–$55M
Chevron Technology Ventures
VC Fund
3 United States, United Kingdom, Canada Series A, Series B, Series C Energy, Software, Manufacturing $4.8M–$115M
RVC
VC Fund
3 United States Seed, Series A Health Care, CleanTech, Clean Energy
New Stack Ventures
VC Fund
3 United States, Canada, Mexico Pre-Seed, Seed, Series A Software, Information Technology, Health Care $500k–$16M
MCJ
VC Fund
3 United States, United Kingdom, Kenya Seed, Series A, Series B Renewable Energy, Energy, Software $2.6M–$150M
Virta Ventures
VC Fund
3 United States, United Kingdom Seed, Pre-Seed, Series A Software, FinTech, Solar $2.3M–$14M
11.2 Capital
VC Fund
3 United States, Canada, United Kingdom Seed, Series A, Series B Software, Information Technology, Biotechnology $1M–$53M
Kapor Capital
VC Fund
3 United States, Kenya, Japan Seed, Series A, Series B Software, Education, Health Care $1M–$50M
Fine Structure Venture
VC Fund
3 United States, United Kingdom, Spain Series A, Series B, Seed Energy, Manufacturing, Clean Energy $5M–$100M
Chrysalix Venture Capital
VC Fund
3 United States, Canada, The Netherlands Series B, Series A Energy, Manufacturing, CleanTech $2M–$24M
Threshold
VC Fund
3 United States, India, Canada Series B, Series A, Series C Software, Internet, Mobile $2.3M–$81M
Dolby Family Ventures
VC Fund
3 United States, Austria, Germany Series A, Seed, Series B Biotechnology, Health Care, Software $2M–$65M
Braemar Energy Ventures
VC Fund
3 United States, Canada, France Series B, Series C, Series A Manufacturing, Energy, Renewable Energy
Milkbox Partners
VC Fund
3 United States, Canada, Germany Series A, Seed Machine Learning, Software, Health Care $120k–$21M
Blue Bear Capital
VC Fund
3 United States, Germany, The Netherlands Series A, Seed, Series B Software, Artificial Intelligence, Information Technology $2M–$42M
Acrew Capital
VC Fund
3 United States, Mexico, United Kingdom Series A, Seed, Series B Software, Financial Services, Information Technology $2.5M–$75M
Access all 1525 VC funds in United States Clean Energy startups.

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822 industries, 177 countries. Updated daily. Emails and phones included.

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Investor list

Breakthrough Energy Ventures
VC Fund · Paris, Ile-de-France, France · 11 investments in United States Clean Energy startups

Empowering innovators to build the future of energy

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Investment focus

  • Industry: Energy, Renewable Energy, Manufacturing
  • Stage:Series A, Series B
  • Geography: United States, Canada, France

Investor stats

  • Total investments: 279
  • Round size: Series A $10M–$65M; Series B $20M–$193M
  • Lead/follow: 46% lead, 54% follow
  • Last fund: Likely still investing — fund raised in 2024

Portfolio highlights

  • Rize — Rize is an AgTech startup formed through a joint venture between Temasek, Wavemaker Impact, Breakthrough Energy Ventures, GenZero to decarbonize rice cultivation in Asia.
  • WeaveGrid — WeaveGrid operates with utilities and owners of electric vehicles (EV) to allow and speed up transportation electrification. Using machine learning, optimization, and predictive analytics, the company's software solution solves several EV-grid integration challenges for utilities in a systems-oriented manner; helps integrate renewable energyresources on the grid; and saves utility customers' money on their bills.
  • 75F — 75F's award-winning smart sensors and controls improve indoor air quality and make commercial buildings more comfortable and energy efficient. Automatically.
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Clean Energy Venture Group
VC Fund · Brookline, Massachusetts, United States · 10 investments in United States Clean Energy startups

CEVG is an angel investor collective that invest in and mentors early-stage cleantech and climatetech startups across North America.

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Investment focus

  • Industry: Energy, Renewable Energy, Manufacturing
  • Stage:Seed, Series A
  • Geography: United States, Canada

Investor stats

  • Total investments: 70
  • Round size: Seed $1M–$5.6M; Series A $2M–$11M
  • Lead/follow: 7% lead, 93% follow
  • Last fund: May invest from a new fund soon — raised $108M in 2019

Portfolio highlights

  • PeelON — At PeelON, we're passionate about freshness, sustainability, and innovation. Our mission is to revolutionize the packaging industry by offering biodegradable solutions that keep produce fresher for longer while minimizing environmental impact. With PeelON, you can trust that your fruits and vegetables stay crisp, delicious, and planet-friendly. Join us in our journey towards a fresher, greener future. - Biodegradable covers - food packaging - biodegradable food packing - fresh fruit covers
  • Queens Carbon — Queens Carbon is working on a processing system that will dramatically cut energy use. The system minimizes calcination and material synthesis energy consumption, allowing for low-cost carbon capture and carbon-neutral cement manufacture.
  • Electrified Thermal Solutions — Electrified Thermal Solutions, Inc. is developing the Joule Hive: a new energy storage technology that converts surplus zero-carbon electricity into heat.
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Third Sphere
VC Fund · Brooklyn, New York, United States · 9 investments in United States Clean Energy startups

Early-stage fund focused on rapid, scalable climate action and targeting outsized impact and outsized returns.

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Investment focus

  • Industry: Software, Energy, Hardware
  • Stage:Seed, Pre-Seed, Convertible Note
  • Geography: United States, United Kingdom, Israel

Investor stats

  • Total investments: 185
  • Round size: Seed $100k–$7.5M; Pre-Seed $150k–$3M; Convertible Note $125k–$3.2M
  • Lead/follow: 10% lead, 90% follow
  • Last fund: May invest from a new fund soon — last raise in 2019

Portfolio highlights

  • Forest3 AI — Forest3 multiplies forest management productivity with small, semi-autonomous equipment for fire prevention and precision harvesting. Forest professionals are empowered to get more coverage in less time with much greater safety.
  • Shellworks — Reimaging nature's packaging with beautifully sustainable, truly compostable alternatives to plastic for cosmetics and beauty products.
  • GlacierGrid — GlacierGrid: Energy Management Solutions for Businesses. Reduce Energy Costs by up to 20% and Improve Energy Efficiency. Explore our solutions now!
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Lowercarbon Capital
VC Fund · New York, New York, United States · 9 investments in United States Clean Energy startups

Lowercarbon Capital backs kickass companies slashing CO2 emissions, sucking carbon out of the sky, and buying us time to unf**k the planet.

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Investment focus

  • Industry: Renewable Energy, Energy, Biotechnology
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, France

Investor stats

  • Total investments: 224
  • Round size: Seed $3.8M–$12M; Series A $11M–$50M; Series B $21M–$150M
  • Lead/follow: 39% lead, 61% follow
  • Last fund: Likely still investing — raised $350M in 2022

Portfolio highlights

  • Terraton — Terraton is a biochar platform that provides equipment, design, and financing to agribusiness operators.
  • River — Empowering people, improving lives.
  • Antora Energy — Antora converts low-cost, intermittent renewable electricity into a reliable, on-demand source of zero-emissions industrial heat and power.
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Khosla Ventures
VC Fund · Menlo Park, California, United States · 8 investments in United States Clean Energy startups

Khosla Ventures is a venture capital firm that invests in early- to late-stage companies across sectors like AI, healthcare, sustainability, and consumer technology. It manages multiple funds, focusing on startups with innovative technologies or business models. The firm primarily targets sectors like AI, climate tech, digital health, and medtech,offering strategic support to help build long-lasting companies.

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Investment focus

  • Industry: Software, Artificial Intelligence, Health Care
  • Stage:Series A, Series B, Seed
  • Geography: United States, India, United Kingdom

Investor stats

  • Total investments: 1253
  • Round size: Seed $2M–$27M; Series A $5.7M–$47M; Series B $10M–$100M
  • Lead/follow: 39% lead, 61% follow
  • Last fund: Likely still investing — raised $557M in 2022

Portfolio highlights

  • Vectra AI — Vectra AI, the cybersecurity AI company that protects modern networks from modern attacks.
  • Zebra Medical Vision — NANOX AI enables more accurate risk-adjustment so patients are provided with preventative care paths they need, while improving quality of health services at significantly lower associated costs.
  • Blue River Technology — Blue River Technology is a pioneer in the use of computer vision and robotics for agriculture. Founded in 2011 by two Stanford University Alumni, Blue River Technology is bringing crop protection into the digital era with See & Spray machines that precisely observe and treat each plant in a field. By applying herbicides only to weeds thesemachines dramatically reduce the amount of chemicals used, enable farmers the freedom to choose any herbicide that meets their needs, and improve grower economics. Currently, farmers are limited to equipment that applies fertilizer and chemicals inefficiently across an entire field. In contrast, Blue River have developed tractor-towed robots that are able to sense each individual plant and precisely apply the right amount of inputs – all in real time, at tractor speeds.
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Energy Impact Partners
VC Fund · New York, New York, United States · 7 investments in United States Clean Energy startups

Energy Impact Partners LP (EIP) is a global venture capital firm leading the transition to a sustainable future. EIP brings together entrepreneurs and the world's most forward-looking energy and industrial companies to advance innovation. With over $2.5 billion in assets under management, EIP invests globally across venture, growth, credit,and infrastructure.

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Investment focus

  • Industry: Software, Energy, Renewable Energy
  • Stage:Series A, Series B, Series C
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 202
  • Round size: Series A $10M–$30M; Series B $15M–$100M; Series C $23M–$128M
  • Lead/follow: 49% lead, 51% follow
  • Last fund: Likely still investing — raised $112M in 2023

Portfolio highlights

  • Powerphase — Powerphase provides innovative Turbophase and Fastlight solutions to increase gas turbine efficiency, power output, and profitability while supporting the transition to sustainable energy.
  • eSmart Systems — ESmart Systems provides AI-driven software solutions to the energy industry and service providers. The company is based on more than 20 years of international experience in establishing and operating knowledge based, leading IT and energy related companies targeting global markets.The company provides software solutions to the energy industry andservice providers. Its cloud-born platform is designed to handle and exploit the Internet of Things, Big Data and Analytics in real-time. Common to all applications is vast data quantities gathered from sensors, which are analyzed using advanced prediction and optimization models. This results in completely new ways of visualizing data, making decisions and saving resources and costs. The platform is designed for Big Data from the ground up without legacy.eSmart Systems originates from the renowned IFE environment (Institute for Energy Technology). The company was founded in 2012 by an experienced team previously responsible for large IT service exports including delivery of the world's first power exchange to Nord Pool, the Nordic Power Exchange, in 1991. Since 2012 the company has grown rapidly and currently consists of almost 80 employees with offices in Norway, Denmark, the UK, and USA.
  • Clevest Solutions — Empower your teams with Mobile Workforce Management Software Solutions. Get in touch to enhance productivity and service quality.
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Collaborative Fund
VC Fund · New York, New York, United States · 7 investments in United States Clean Energy startups

Collaborative Fund is a leading source of capital for entrepreneurs pushing the world forward.

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Investment focus

  • Industry: Software, Food and Beverage, Artificial Intelligence
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, South Korea

Investor stats

  • Total investments: 333
  • Round size: Seed $1.2M–$11M; Series A $4.7M–$40M; Series B $18M–$85M
  • Lead/follow: 17% lead, 83% follow
  • Last fund: Likely still investing — fund raised in 2024

Portfolio highlights

  • Osmo Studio — Osmo is an AI-native video editor for product launch videos and motion graphics. Turn ideas, Figma files, and footage into polished, on-brand animations, built as editable code.
  • Switchboard — Switchboard's service design, coaching, and software offerings generate real results for higher ed teams and institutions.
  • Hippo Harvest — Hippo Harvest grows food that is good for you and good for the planet.
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Alumni Ventures
VC Fund · Manchester, New Hampshire, United States · 7 investments in United States Clean Energy startups

Access curated startup investment opportunities and diversified venture capital exposure designed for accredited investors.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 2214
  • Round size: Seed $1.5M–$10M; Series A $5.5M–$35M; Series B $12M–$79M
  • Lead/follow: 5% lead, 95% follow
  • Last fund: Likely actively investing — fund raised in 2025

Portfolio highlights

  • WINN.AI — WINN.AI helps revenue teams run better sales calls and win more deals by automating admin work and guiding reps live, during the call.
  • Car Body Lab — The easy way, online.
  • Perennial — Cloud Agronomics is the platform for soil carbon management.
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Good Growth Capital
VC Fund · Charleston, South Carolina, United States · 6 investments in United States Clean Energy startups

Good Growth Capital is an early-stage venture capital firm known for its expertise in finding, assessing and cultivating complex science and technology.

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Investment focus

  • Industry: Health Care, Biotechnology, Software
  • Stage:Seed, Series A, Convertible Note
  • Geography: United States, France, Israel

Investor stats

  • Total investments: 118
  • Round size: Seed $505k–$9M; Series A $4.2M–$20M; Convertible Note $25k–$300k
  • Lead/follow: 36% lead, 64% follow
  • Last fund: Likely still investing — raised $100M in 2023

Portfolio highlights

  • Obsidio — Obsidio™ Conformable Embolic with aqueous gel technology is a 510(k) cleared device, the first of its kind to have a specific on-label indication for peripheral use in the U.S.
  • Skyhawk Therapeutics — Skyhawk Therapeutics is a clinical-stage biotechnology company focused on the discovery and development of novel small molecule therapies designed to modulate critical RNA targets and revolutionize patient treatment for some of the world's most intractable diseases.
  • Osteoboost — Bone Health Technologies specializes in developing medical devices designed for low bone mass. Its solution is a gentle mechanical stimulation that mimics weight-bearing exercise, providing an effective non-drug intervention. It offers the OsteoBoost device that relies on safe, natural, and effective whole-body vibration technology usingvibrational energy to turn stem cells into the bone using the same mechanisms as physical exercise. The company was founded in 2018 and is headquartered in San Francisco, California.
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Wonder Ventures
VC Fund · Santa Monica, California, United States · 6 investments in United States Clean Energy startups, 8 in the past 12 months

Wonder Ventures invests in entrepreneurs who have great ideas. Who build the world’s most innovative technology companies in order to address the world’s toughest challenges. Who think of long-term solutions that span generations.We are based in Santa Monica, CA. We actively invest in Los Angeles, New York City, Silicon Valley, Washington D.C.and anywhere great teams are located.

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Investment focus

  • Industry: Software, Health Care, Internet
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States

Investor stats

  • Total investments: 89
  • Round size: Seed $1.3M–$5.8M; Pre-Seed $550k–$2.7M; Series A $8M–$46M
  • Lead/follow: 20% lead, 80% follow
  • Last fund: Likely still investing — raised $31M in 2022

Portfolio highlights

  • Ownwell — Ownwell combines technology and local expertise to help real estate owners save money on property taxes.
  • Mogul — Your path to financial success in the music business.
  • The Biological Computing — Biological Black Box integrates biological neurons with artificial neural networks to develop a living computer.
Show all investments...

Access 48,091 investors

822 industries, 177 countries. Updated daily. Emails and phones included.

Browse database — It's Free!
Jericho Energy Ventures
VC Fund · Vancouver, British Columbia, Canada · 6 investments in United States Clean Energy startups

Jericho Energy Ventures invests in hydrogen technologies, energy storage, carbon capture, and new energy systems. Their Investments in Low Carbon energy sources, technologies, and applications will aid in the transition away from fossil sources creating a more sustainable future.

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Investment focus

  • Industry: Energy, CleanTech, GreenTech
  • Stage:Series A, Corporate Round
  • Geography: United States

Investor stats

  • Total investments: 7
  • Round size: Series A $3M–$11M
  • Lead/follow: 71% lead, 29% follow

Portfolio highlights

  • Calicat — H2UTechnologies -Co-founded by Motus Ventures and H2U Chief Scientific Advisor, Dr Nathan Lewis-George L. Argyros Professor of Chemistry at the California Institute of Technology and founding Director and Scientific Director of JCAP (Joint Center for Artificial Photosynthesis)/Cal Tech...clean energy
  • Oklahoma AI Ventures — Oklahoma AI Ventures operates as a special-purpose asset development vehicle designed to secure, assemble, and prepare commercial land sites for infrastructure scaling. Its core business model centers on pairing institutional real estate development with zero-emission hydrogen energy technologies to support power-intensive computing facilities. Theprimary value proposition is delivering dedicated, sustainable, and grid-independent power generation assets tailored to satisfy the extreme electricity demands of high-density artificial intelligence cluster operations.
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Safar Partners
VC Fund · Cambridge, Massachusetts, United States · 6 investments in United States Clean Energy startups, 14 in the past 12 months

Safar Partners is a seed- to growth-stage venture fund investing primarily in technology companies out of MIT, Harvard, and the University of Rochester. We invest in platform technologies in the cleantech and advanced materials, AI/IT and robotics, and life science/medical device areas.

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Investment focus

  • Industry: Biotechnology, Health Care, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: United States, China, Italy

Investor stats

  • Total investments: 92
  • Round size: Seed $1.5M–$38M; Series A $11M–$84M; Series B $7M–$863M
  • Lead/follow: 21% lead, 79% follow
  • Last fund: May invest from a new fund soon — raised $192M in 2019

Portfolio highlights

  • Quaise Energy — Quaise is an energy company unlocking geothermal energy for the world population through millimeter wave drilling technology.
  • Gradiant — Gradiant is a solutions provider and developer of cleantech water projects for advanced water and wastewater treatment. They provide microelectronics, pharmaceuticals, food and beverage, lithium and key minerals, and renewable energy.
  • EELI Technology — EELI Technology Inc., a Silicon Valley–based critical minerals technology company, enables lithium production from sources once considered impossible to mine economically —cheaper, faster, electrified.
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Everywhere Ventures
VC Fund · New York, New York, United States · 6 investments in United States Clean Energy startups

Everywhere Ventures is a global pre-seed venture capital fund for founders, by founders. Click to read Everywhere VC, by Everywhere Ventures, a Substack publication with tens of thousands of subscribers.

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Investment focus

  • Industry: Software, Health Care, FinTech
  • Stage:Pre-Seed, Seed, Series A
  • Geography: United States, Australia, India

Investor stats

  • Total investments: 1093
  • Round size: Seed $1.2M–$6.5M; Pre-Seed $500k–$2.6M; Series A $8M–$20M
  • Lead/follow: 2% lead, 98% follow
  • Last fund: May invest from a new fund soon — last raise in 2020

Portfolio highlights

  • Donna — Meet Donna, the AI assistant built for field sales teams. Save time, cut admin, and close more deals with less effort.
  • Suma Wealth — Meet Charlie, your AI financial coach inside the SUMA app. Get personalized budgeting, savings, and investing advice in English or Spanish.
  • Journey Live — Journey is shifting the way modern companies prioritize mental health. Our proactive, inclusive tools engage every employee, every day.
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Prelude Ventures
VC Fund · San Francisco, California, United States · 5 investments in United States Clean Energy startups, 9 in the past 12 months

Prelude Ventures invests in and supports early-stage startups with the greatest potential to mitigate climate change. For us, climate is everything.

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Investment focus

  • Industry: Software, Energy, Renewable Energy
  • Stage:Series A, Series B, Series C
  • Geography: United States, Canada

Investor stats

  • Total investments: 165
  • Round size: Series A $6.8M–$33M; Series B $10M–$101M; Series C $16M–$128M
  • Lead/follow: 30% lead, 70% follow
  • Last fund: May invest from a new fund soon — last raise in 2013

Portfolio highlights

  • Quaise Energy — Quaise is an energy company unlocking geothermal energy for the world population through millimeter wave drilling technology.
  • Rumin8 — Rumin8 - Solving livestock methane emissions
  • Thea Energy — Discover Thea Energy, a fusion energy company reinventing the stellarator to create a limitless source of zero emission energy for a sustainable future.
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Climate Pledge Fund
VC Fund · Seattle, Washington, United States · 5 investments in United States Clean Energy startups

In June 2020, Amazon announced The Climate Pledge Fund to support the development of sustainable and decarbonizing technologies and services that will enable Amazon and other companies to meet the goals set by The Climate Pledge. This dedicated investment program—with an initial $2 billion in funding—will invest in visionary companies whoseproducts and solutions will facilitate the transition to a low-carbon economy.

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Investment focus

  • Industry: Energy, CleanTech, Renewable Energy
  • Stage:Series A, Series B
  • Geography: United States, Canada, India

Investor stats

  • Total investments: 58
  • Round size: Series A $11M–$80M; Series B $21M–$246M
  • Lead/follow: 28% lead, 72% follow

Portfolio highlights

  • Mainspring Energy — Local power generation for data centers, utilities, industrial & enterprise applications. Fuel-flexible, fast to deploy, high-efficiency, low NOx power.
  • Mill — Mill is the smartest device in your kitchen. Mill turns would-be food waste into resources for the Earth. Keep filling it for weeks.
  • Moment Energy — Moment Energy empowers commercial and industrial clients across North America to reduce operational costs, increase energy resilience for business, and achieve sustainability goals.
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Tamarack Global
VC Fund · New York, New York, United States · 5 investments in United States Clean Energy startups, 7 in the past 12 months

Tamarack Global operates as an investment firm that invests in new markets and new economies. The frim specializes in the fields of finance, financial services, and hedge funds.

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Investment focus

  • Industry: Aerospace, CleanTech, Clean Energy
  • Stage:Seed, Series A, Series B
  • Geography: United States, Denmark

Investor stats

  • Total investments: 31
  • Round size: Seed $1.8M–$47M; Series A $10M–$700M; Series B $20M–$675M
  • Lead/follow: 23% lead, 77% follow
  • Last fund: Likely actively investing — fund raised in 2024

Portfolio highlights

  • Rilian Technologies — Rilian develops cybersecurity and defense technology platforms that enable organizations to deploy, integrate, and operate advanced security tools across complex and regulated environments. The company provides an AI-driven security orchestration platform that unifies multiple cybersecurity tools into a single interface, allowing analysts toautomate workflows, monitor threats, and respond to incidents more efficiently. Its offerings include systems for automated deployment and compliance that allow security technologies to operate in air-gapped, sovereign, and highly regulated environments without relying on traditional cloud infrastructure. The company also maintains a curated ecosystem of cybersecurity tools that are pre-integrated and validated for use in mission-critical settings, reducing complexity in adoption and integration.
  • Hark — We are building the most advanced personal intelligence in the world.
  • Blue Energy — Modular power plants for modular nuclear reactors
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Foothill Ventures
VC Fund · Los Altos, California, United States · 5 investments in United States Clean Energy startups

Foothill Ventures is a technology-focused venture fund that invests in seed-to-A-round startups in the United States. It is a successor fund to the TEEC Angel Fund. Foothill Ventures was founded in 2017 and is headquartered in Los Altos, California.

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Investment focus

  • Industry: Artificial Intelligence, Software, Biotechnology
  • Stage:Seed, Series A
  • Geography: United States, China, Canada

Investor stats

  • Total investments: 117
  • Round size: Seed $1.5M–$12M; Series A $7.5M–$35M
  • Lead/follow: 18% lead, 82% follow
  • Last fund: Likely still investing — raised $100M in 2021

Portfolio highlights

  • Nervonik — Explore Nervonik neuromodulation devices that are working to redefine peripheral nerve stimulation with advanced technology for high motion.
  • Hyperlight — HyperLight unleashes the potential of integrated photonics by developing a proprietary platform based on thin-film lithium niobate (TFLN)
  • South 8 Technologies — South 8's LiGas cells are engineered to deliver unmatched performance and safety in the most demanding environments.
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Crosscut Ventures
VC Fund · Los Angeles, California, United States · 5 investments in United States Clean Energy startups

Crosscut is a venture capital firm in Los Angeles. We partner with early-stage founders to build extraordinary technology companies from Seed to Series A.

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Investment focus

  • Industry: Software, Information Technology, Internet
  • Stage:Seed, Series A
  • Geography: United States, Colombia

Investor stats

  • Total investments: 168
  • Round size: Seed $1.5M–$6.7M; Series A $2.2M–$20M
  • Lead/follow: 26% lead, 74% follow
  • Last fund: Likely actively investing — fund raised in 2024

Portfolio highlights

  • SoloPulse — SoloPulse is changing how the world sees by bringing a new approach to sensing and communication technologies that is based on proprietary mathematical wave theory algorithms. This approach unlocks barriers that legacy technologies face while also improving computational efficiency and resolution. SoloPulse’s advanced sensing and beamformingtechniques can use a single electromagnetic pulse to produce high-resolution imaging and increased data transmission rates.
  • Solestial — For new space projects that need 100X more power @ 1/10 the price vs. incumbent III-V technology. Regher develops radiation-hardened silicon solar technology to make power in space affordable.There is a demand for 100 MW of solar for space in the next 5 years. But the existing space solar panels are extremely expensive and very slow tomanufacture. With today's technology 100 MW of space solar panels will cost more than $60B and it will take more than 10 years to manufacture. Regher Solar solves this problem. Regher Solar is revolutionizing the access to power in space with space tolerant ultrathin silicon solar panels, which for the first time on the market, will have both high efficiency and low cost in a single light-weight and flexible package.
  • Proteus Space — Pioneering Automated Satellite Design for Rapid, Payload-Tailored Satellite Deployments with a World-Class Space and Advanced Technology Leadership Team
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Overture Ventures
VC Fund · Los Angeles, California, United States · 5 investments in United States Clean Energy startups, 9 in the past 12 months

Overture is an early stage climate tech fund at the intersection of government.

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Investment focus

  • Industry: Manufacturing, Software, Renewable Energy
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada

Investor stats

  • Total investments: 54
  • Round size: Seed $2M–$25M; Series A $12M–$60M; Series B $6M–$150M
  • Lead/follow: 7% lead, 93% follow

Portfolio highlights

  • Fluxco — Procurement, leasing, service and warranty for padmount, substation, and distribution transformers from 100+ global suppliers.
  • Recheck — Recheck is the verification platform for the residential solar industry.
  • Atana Elements — Atana is a data-driven resource company that accelerates the exploration and development of flowing critical minerals.
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The Engine
VC Fund · Cambridge, Massachusetts, United States · 5 investments in United States Clean Energy startups

A home for Tough Tech founders.

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Investment focus

  • Industry: Biotechnology, Health Care, Software
  • Stage:Seed, Series A, Series B
  • Geography: United States

Investor stats

  • Total investments: 87
  • Round size: Seed $2M–$11M; Series A $5.8M–$80M; Series B $16M–$150M
  • Lead/follow: 32% lead, 68% follow
  • Last fund: May invest from a new fund soon — raised $230M in 2020

Portfolio highlights

  • Hyperlight — HyperLight unleashes the potential of integrated photonics by developing a proprietary platform based on thin-film lithium niobate (TFLN)
  • BlueShift — BlueShift operates as an electrochemical climate tech innovator. BlueShift unlocks underutilized resources with advanced electrochemical technology.
  • RISE Robotics — THE HUMAN EMPOWERING ROBOTICS COMPANYRise Robotics designs, makes and sells breakthrough mechanical products.The company was founded in 2011 to advance the robotics industry with the ultimate goal of enabling powerful wearable ExoSUITS™ for all.Our first product Bacon Robotic Air Compressor™ disrupts handheld air compressors.Theinnovation that enabled the Bacon Robotic air compressor™ is the Cyclone Linear Drive. A new mobile robotic component that can advance many applications. Cyclone drives enable piston or muscle like actuation. It was inspired by our ExoSuit™ explorations.
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Clean Energy Ventures
VC Fund · Boston, Massachusetts, United States · 5 investments in United States Clean Energy startups

Clean Energy Ventures backs founders turning breakthrough climate innovations into scaling companies, with decades of engineering and commercial expertise at seed and Series A.

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Investment focus

  • Industry: Manufacturing, Energy, Renewable Energy
  • Stage:Seed, Series A, Convertible Note
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 72
  • Round size: Seed $1.5M–$10M; Series A $2.1M–$26M; Convertible Note $500k–$2.5M
  • Lead/follow: 68% lead, 32% follow
  • Last fund: Likely still investing — raised $305M in 2024

Portfolio highlights

  • OXCCU — OXCCU develops renewable energy technology with the goal of achieving a circular economy for fuels, chemicals, and plastics. The technology offered by the company combines carbon dioxide from the atmosphere with hydrogen from water and renewable electricity to produce fuels, chemicals, and biodegradable plastics.
  • NexDash — Vertical AI for electric truck fleets. We run the trucks and build the software that runs them. The neo-carrier for zero-emission road freight.
  • DG Matrix — DG Matrix innovative solutions unlock gigaton-scale emissions reductions by enabling electrification anywhere and everywhere with less material and a smaller footprint.
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Austin Ventures
VC Fund · Austin, Texas, United States · 5 investments in United States Clean Energy startups

Austin Ventures is a venture capital and private equity company that specializes in partnering with talented executives and entrepreneurs to build companies. It was founded in 1984 and headquartered in Austin, Texas.

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Investment focus

  • Industry: Software, Enterprise Software, Internet
  • Stage:Series B, Series A, Series C
  • Geography: United States, China, Japan

Investor stats

  • Total investments: 247
  • Round size: Series A $1.6M–$12M; Series B $5M–$30M; Series C $6M–$28M
  • Lead/follow: 36% lead, 64% follow
  • Last fund: May invest from a new fund soon — raised $900M in 2008

Portfolio highlights

  • Onit — Onit deploys Onit Apps to simplify business process automation and improve business productivity across all departments and industries. The Onit App Builder allows business users to drive efficiency and productivity by combining business process management, project management, and information management into one easy to use the tool so the usercan create their own Onit Apps without having to rely on IT for support. Businesses have processes for everything -- whether it’s hiring a vendor or law firm, terminating an employee, submitting a contract for review, requesting a trademark request, obtaining an NDA, etc. Most of these processes are manual, paper-intensive, and cumbersome. With Onit Apps, processes are automated in a few clicks, responsible parties are notified immediately, and data collection is centralized. Onit doesn’t require any software to download or resources from IT.
  • Tasktop — Tasktop offers a software platform that allows companies to better manage the process of building their software. Tasktop plugs into existing tools and overlays the end-to-end value stream to provide the abstractions, automation, visualizations, and forensics needed to practice value stream management on a daily basis.
  • Veros Systems — Veros Systems enables industrial customers to maximize production by providing actionable intelligence on their electrically-driven machines.Their web-based Predictive Intelligence Platform uses completely nonintrusive monitors that can be installed in hours. PIP offers real-time predictive reliability and energy efficiency intelligence onelectromechanical systems, and seamlessly integrates with leading Enterprise Asset Management applications. At last, engineers, managers, and executives have a means to see the future: to plan better, reduce costs, and improve a facility’s overall availability.
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Shell Ventures
VC Fund · Rijswijk, Zuid-Holland, The Netherlands · 5 investments in United States Clean Energy startups

Shell Ventures invests in companies to speed up development and deployment of new technologies which complement our business.

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Investment focus

  • Industry: Energy, Renewable Energy, Software
  • Stage:Series A, Series B
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 166
  • Round size: Series A $6M–$31M; Series B $2.8M–$126M
  • Lead/follow: 34% lead, 66% follow

Portfolio highlights

  • 2-B Energy — The perfect wind turbine for offshore floaters or floating platforms
  • Orb Energy — Orb Energy is a vertically integrated solar company that manufactures solar panels, design, install, and services complete system, and finance C&I customers.
  • Airborne Oil & Gas — Airborne Oil & Gas (AOG) has developed a range of Thermoplastic Composite Pipe (TCP) products that offer unique benefits for offshore oil & gas operations. The thermoplastic composite pipes are corrosion-free, lightweight and spoolable, and can be deployed in the most demanding offshore and subsea applications. These intrinsic propertiesenable a step-change in offshore and subsea operations, with a 30 – 50% capex saving, and even higher opex savings. \r\n\r\nThe pipes are non-metallic, which eliminates the need for expensive corrosion prevention and inspection measures. This enhances reliability and safety while significantly reducing operational expenditure, particularly for Flowlines. The spoolable composite pipes can be installed significantly faster and with simpler vessels than traditional steel-based pipes. \r\n\r\nThe AOG headquarter and manufacturing facility is based in IJmuiden (Port of Amsterdam), the Netherlands and has regional sales offices in major oil & gas hubs in Asia and the US. AOG has 90 employees.
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AP Ventures
VC Fund · London, England, United Kingdom · 5 investments in United States Clean Energy startups

AP Ventures invests in pioneering technologies and businesses that harness the unique chemical and physical properties of Platinum Group Metals to solve global challenges.AP Ventures is led by a specialist investment team with proven expertise and a successful track record. We offer investors access to high growth technologies that are developingsolutions to solve global issues.

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Investment focus

  • Industry: Energy, Renewable Energy, Manufacturing
  • Stage:Series A, Seed
  • Geography: United States, France, Norway

Investor stats

  • Total investments: 48
  • Round size: Seed $3.1M–$7.2M; Series A $3.5M–$23M
  • Lead/follow: 40% lead, 60% follow
  • Last fund: Likely actively investing — fund raised in 2025

Portfolio highlights

  • Rosy Soil — Crafted for the specific needs of indoor plants, this blend contains all-natural, renewable ingredients that optimize drainage, deliver plant-boosting nutrients, and support a diverse community of beneficial fungi and microbes.
  • Immaterial — Facilitating the energy transition with advanced materials.
  • Rubi Laboratories — Rubi Laboratories turns carbon emissions into carbon-negative textiles for the fashion industry, with a proprietary synthetic biology technology.
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DCVC
VC Fund · San Francisco, California, United States · 4 investments in United States Clean Energy startups

We are deep tech venture capital.

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Investment focus

  • Industry: Software, Artificial Intelligence, Machine Learning
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 404
  • Round size: Seed $1.5M–$9.1M; Series A $5.8M–$50M; Series B $15M–$139M
  • Lead/follow: 24% lead, 76% follow
  • Last fund: Likely still investing — raised $1B in 2023

Portfolio highlights

  • Sabanto — Sabanto brings autonomy to agriculture with retrofit kits that transform existing tractors into fully autonomous machines. Boost efficiency, reduce labor, and farm 24/7 with the Sabanto Autonomy System. Book a demo today.
  • CH4 Global — CH4 Global is an aquaculture solutions provider dedicated to urgently impacting climate change at scale. Lead by a world-class team of senior business builders, scientists and entrepreneurs, the company is initially leveraging proven science and technology for growing seaweed into innovative new livestock supplement that reduces methane produced bycows by up to 90%. Among early investors are a select group of prominent family offices and private investors. CH4 Global have also received non-dilutive capital support from government organizations from around the world. CH4 Global is a Delaware corporation based in Henderson, NV.
  • Tradeshift — Tradeshift is a supply chain network, Tradeshift is a market leader in e-invoicing and accounts payable automation and an innovator in supplier financing and B2B marketplaces.
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Horizons Ventures
VC Fund · Hong Kong, Hong Kong Island, Hong Kong · 4 investments in United States Clean Energy startups

Investing in the deep science and technology that can propel humanity towards a radically better future.

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Investment focus

  • Industry: Biotechnology, Software, Artificial Intelligence
  • Stage:Series A, Series B, Seed
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 274
  • Round size: Seed $1M–$11M; Series A $6.2M–$47M; Series B $10M–$110M
  • Lead/follow: 42% lead, 58% follow

Portfolio highlights

  • Onavo — Onavo, founded 2010, is the company behind Onavo Insights, the largest mobile intelligence service, and the developer of the award-winning Onavo mobile utility apps.Onavo Insights market intelligence data, powered by fully anonymized data from Onavo's apps, powers business decisions in companies in verticals diverse as finance, gaming,entertainment and social networking, and reports are cited regularly in the press as the primary barometer of the mobile app ecosystem.
  • Magisto — Magisto online video editor is a fast & powerful video maker. Turn your photos and video clips into video stories with Magisto movie editor. Start free!
  • Corephotonics — Corephotonics is the pioneer and worldwide market leader of dual camera technologies for smartphones and mobile devices, providing a perfect mobile camera photography experience, novel photography features and superior image quality
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Starlight Ventures
VC Fund · Miami, Florida, United States · 4 investments in United States Clean Energy startups

Starlight is a venture capital firm for founders addressing the world’s most pressing challenges & opportunities. We partner early with unstoppable entrepreneurs leveraging breakthrough science and technology to pursue progress at scale in four main areas: the energy transition, industrializing synthetic biology, space technology, and novelcomputing & communications platforms.Starlight was founded in 2017 and is headquartered in Miami, Florida.

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Investment focus

  • Industry: Biotechnology, Energy, Health Care
  • Stage:Seed, Series A, Convertible Note
  • Geography: United States, Finland, Italy

Investor stats

  • Total investments: 60
  • Round size: Seed $584k–$8.4M; Series A $10M–$100M; Convertible Note $110k–$8.8M
  • Lead/follow: 12% lead, 88% follow
  • Last fund: May invest from a new fund soon — raised $50M in 2021

Portfolio highlights

  • Ammobia — Ammobia's advanced reactor technology enables economical ammonia production at any scale. 50% lower CapEx, 10-40% lower costs for fuel, fertilizer, and energy.
  • Thea Energy — Discover Thea Energy, a fusion energy company reinventing the stellarator to create a limitless source of zero emission energy for a sustainable future.
  • Commonwealth Fusion Systems — The fastest path to clean, limitless fusion energy.
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Hess Corporation
VC Fund · New York, New York, United States · 4 investments in United States Clean Energy startups

Hess Corporation is a leading global independent energy company primarily engaged in the exploration and production of crude oil and natural gas. Hess Corporation has developed apps like Hess Jet and Hess Chopper. This company was founded in 1993.

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Investment focus

  • Industry: Energy, CleanTech, GreenTech
  • Stage:Series A
  • Geography: United States

Investor stats

  • Total investments: 4
  • Round size: Series A $3M–$11M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Calicat — H2UTechnologies -Co-founded by Motus Ventures and H2U Chief Scientific Advisor, Dr Nathan Lewis-George L. Argyros Professor of Chemistry at the California Institute of Technology and founding Director and Scientific Director of JCAP (Joint Center for Artificial Photosynthesis)/Cal Tech...clean energy
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Countdown Capital
VC Fund · Columbia, Missouri, United States · 4 investments in United States Clean Energy startups

Investing pre-seed / first checks in founders building hard tech companies.

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Investment focus

  • Industry: Aerospace, Artificial Intelligence, Manufacturing
  • Stage:Seed, Pre-Seed
  • Geography: United States

Investor stats

  • Total investments: 18
  • Round size: Seed $2.3M–$12M; Pre-Seed $1.5M–$3.5M
  • Lead/follow: 11% lead, 89% follow

Portfolio highlights

  • Heliux — Heliux centralizes cross-functional teams, operations, and data onto a single platform by replacing your legacy PDM, PLM, ERP, and MES systems.
  • Galvanick — Secure industrial operations. Galvanick's industrial-first Extended Detection & Response (XDR) platform secures industrial systems and networks against cyber attacks.
  • K2 Space — By breaking the historic correlation between mass and cost, the K2 Space satellite bus offers the capabilities of large satellites at the price point of small satellites. A multi-orbit spacecraft for use across commercial, scientific and defense missions.
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SYSTEMIQ
VC Fund · London, England, United Kingdom · 4 investments in United States Clean Energy startups

Systemiq unlocks system change by developing partnerships with leaders in civil society, innovative investors, government, business & finance.

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Investment focus

  • Industry: Artificial Intelligence, Energy, Software
  • Stage:Series A, Series B, Seed
  • Geography: United States, United Kingdom

Investor stats

  • Total investments: 25
  • Round size: Seed $380k–$4.2M; Series A $9.2M–$24M; Series B $15M–$34M
  • Lead/follow: 12% lead, 88% follow
  • Last fund: Likely still investing — fund raised in 2022

Portfolio highlights

  • InnerPlant — InnerPlant transforms fields into living sensors with biotech, remote sensing, and data science. We enable plants to express stress within hours of emergence.
  • Ren Energy — We create tools that empower organizations to decarbonize their global supply chains.
  • Tangible — Tangible empowers hardware companies with sustainable asset-based lending solutions. Our platform streamlines debt funding, compliance automation, and financial product design, enabling efficient capital mobilization and comprehensive reporting for a greener future. Scale your business with Twist.
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Congruent Ventures
VC Fund · Oakland, California, United States · 4 investments in United States Clean Energy startups, 16 in the past 12 months

Congruent Ventures is a venture capital firm that seeks to invest in Mobility and Urbanization, Energy Transition, Food and Agriculture, and Sustainable Production & Consumption sectors. We look for technology companies that will positively impact our energy and resource consumption. If we see an opportunity to partner with a like-minded teamfocused on scale across hardware, software, or services, we’re interested.

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Investment focus

  • Industry: Software, Energy, Robotics
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 151
  • Round size: Seed $2.1M–$11M; Series A $6M–$28M; Series B $10M–$90M
  • Lead/follow: 32% lead, 68% follow
  • Last fund: Likely still investing — fund raised in 2024

Portfolio highlights

  • Fluxco — Procurement, leasing, service and warranty for padmount, substation, and distribution transformers from 100+ global suppliers.
  • Hippo Harvest — Hippo Harvest grows food that is good for you and good for the planet.
  • Gritt Robotics — Gritt is an intelligent system that combines robotics and AI to build the infrastructure that pulls society forward. Doing real work on real jobsites, today.
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New York Ventures
VC Fund · New York, New York, United States · 4 investments in United States Clean Energy startups

New York Ventures is dedicated to encouraging innovation and fueling economic growth in communities across the State. This venture capital investment arm of Empire State Development is one of New York State's business resources and innovation investments, including the Governor's START-UP NY program, Innovation Hot Spots, the RegionalEconomic Development Councils, the Centers of Advanced Technology and Centers of Excellence networks, and the SUNY 2020 Initiative.

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Investment focus

  • Industry: Health Care, Biotechnology, Software
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, Israel

Investor stats

  • Total investments: 132
  • Round size: Seed $1.5M–$7M; Series A $3M–$20M; Series B $2.5M–$53M
  • Lead/follow: 6% lead, 94% follow

Portfolio highlights

  • Adro — Designed to work when you arrive Spend and save like a local. Easy to use. No unfair fees.
  • BQP — At BQP, we’re developing a quantum-accelerated digital twin platform for mission-critical applications. The platform, BQPhy, is a back-end engine that integrates seamlessly into existing engineering workflows and operates on today’s infrastructure without requiring quantum hardware. BQPhy helps teams solve large-scale, complex challenges inengineering optimization, data-driven modeling (ML), and physics-based (CFD) simulations. We are bridging the gap between current high-performance computers and future quantum systems with probabilistic algorithms from quantum information science, unlocking simulation capabilities that were previously impractical or impossible. BQPhy reduces time, accuracy, and throughput inefficiencies, thereby accelerating development cycles, unlocking previously unexplored design spaces, lowering costs, and enhancing product outcomes.
  • CryoBio — CryoBio offers a food-safe spray solution to protect crops from extreme frost, reducing losses and replacing manual labor with effective, biodegradable frost protection technology.
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Powerhouse Ventures
VC Fund · Oakland, California, United States · 4 investments in United States Clean Energy startups

Powerhouse Ventures backs entrepreneurs building the digital infrastructure for rapid decarbonization.

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Investment focus

  • Industry: Software, Energy, Solar
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 68
  • Round size: Seed $1.1M–$5M; Pre-Seed $1.1M–$1.5M; Series A $6M–$30M
  • Lead/follow: 15% lead, 85% follow

Portfolio highlights

  • CVector — Stream, model, and act on your energy and industrial data in real time. CVector unifies asset and market data so you can make faster, smarter project decisions.
  • ThinkLabs AI — ThinkLabs AI is a specialist AI development and deployment firm. Its mission is to empower critical industries and infrastructure with trustworthy AI towards global energy sustainability.
  • TrustBridge.GG — The premier platform for competitive PlayStation gaming with secure escrow-based competitive gaming. Put your gaming skills to the test and earn real money on the most secure PlayStation competitive gaming platform.
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Backstage Capital
VC Fund · West Hollywood, California, United States · 4 investments in United States Clean Energy startups

Backstage Capital is a venture capital fund investing in the best startups led by underrepresented founders in the U.S. The firm was founded in 2015 by Arlan Hamilton and is headquartered in West Hollywood, California, United States.

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Investment focus

  • Industry: Software, Health Care, Internet
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, United Kingdom

Investor stats

  • Total investments: 136
  • Round size: Seed $100k–$3.5M; Pre-Seed $100k–$1.7M; Series A $4.2M–$20M
  • Lead/follow: 19% lead, 81% follow
  • Last fund: May invest from a new fund soon — raised $36M in 2018

Portfolio highlights

  • BoldHue — BoldHue is a beauty tech company that develops a Bluetooth-enabled handheld device to customize beauty needs. Its platform uses AI technology to scan faces, display color, and match the color of the face to dispense pigmentation into the base foundation. BoldHue was founded in 2019 and is headquartered in Aurora, Colorado.
  • AudioMob — Monetizing mobile games non-intrusively using audio ads! AudioMob are the creators of Audio Enhanced Banners & Rewarded Audio
  • CreditRich AI — Official Account for the CreditRich app out now on Google Play!
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Anzu Partners
VC Fund · Washington, District of Columbia, United States · 4 investments in United States Clean Energy startups

Anzu Partners invests in breakthrough clean tech, industrial, and life science technologies with $1B in assets under management across venture, credit, and public structures.

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Investment focus

  • Industry: Software, Biotechnology, Manufacturing
  • Stage:Series A, Series B
  • Geography: United States, Canada, Spain

Investor stats

  • Total investments: 78
  • Round size: Series A $6M–$25M; Series B $5M–$55M
  • Lead/follow: 51% lead, 49% follow
  • Last fund: Likely still investing — raised $100M in 2024

Portfolio highlights

  • 6K — WHERE INDUSTRY 4.0 MEETS SUSTAINABLE PRODUCTION OF BREAKTHROUGH MATERIALS
  • EnCharge AI — AI Compute from the Edge-to-Cloud for Every Business. Transformative technology for AI computation, breaking records in efficiency and sustainability to enable state-of-the-art models uninhibited by power, space, and cost constraints.
  • South 8 Technologies — South 8's LiGas cells are engineered to deliver unmatched performance and safety in the most demanding environments.
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Chevron Technology Ventures
VC Fund · Houston, Texas, United States · 3 investments in United States Clean Energy startups

Chevron Technology Ventures champions innovation, commercialization and integration of emerging technologies within Chevron.

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Investment focus

  • Industry: Energy, Software, Manufacturing
  • Stage:Series A, Series B, Series C
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 172
  • Round size: Series A $4.8M–$34M; Series B $6.5M–$42M; Series C $6M–$115M
  • Lead/follow: 9% lead, 91% follow
  • Last fund: May invest from a new fund soon — raised $90M in 2019

Portfolio highlights

  • Natron Energy — Natron Energy is safely changing how energy is stored and consumed with our sodium-ion battery technology. Learn more!
  • Aquanta Vision — Aquanta Vision provides optical gas imaging detection software which improves methane leak identification during inspections.
  • Ardent Process Technologies — Proven, practical solutions for industrial point-source carbon capture and other challenging chemical separations.
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RVC
VC Fund · Elizabethtown, Kentucky, United States · 3 investments in United States Clean Energy startups

RVC is a venture capital fund located in Elizabethtown, Kentucky that primarily invests in the evolving technology and medical sectors. For the last 20 years, Dr. Robert Robbins has invested in numerous start-ups including ZirMed, which has been ranked #1 for End-to-End Revenue Cycle Management by Black Book for 7 consecutive years. ZirMed reacheda company valuation of $750 million before being acquired by Navicure to create Waystar. At Robbins Venture Capital, we look to create a bigger and brighter future with our investments.

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Investment focus

  • Industry: Health Care, CleanTech, Clean Energy
  • Stage:Seed, Series A
  • Geography: United States

Investor stats

  • Total investments: 11
  • Lead/follow: 82% lead, 18% follow

Portfolio highlights

  • EdgeEnergy — EdgeEnergy provides EV Fast Charging in locations without three-phase. No batteries or solar panels required.
  • Fetal Life — Fetal Life is a healthcare company that provides solutions which holistically offer care throughout the entire pregnancy journey and during the postpartum period by integrating medical devices, telehealth capabilities, data analysis and artificial intelligence. We aim to provide holistic care through our patented contraction monitoring device,patent-pending fetal heartbeat device, mobile app promoting self-management of health, telemonitoring, and telemedicine platform along with other 3rd party devices. Our devices are affordable, portable, and easy to use.
  • Monster Rod Holders — The leader in American-made heavy-duty fishing rod holders and cat fishing rod holders.
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New Stack Ventures
VC Fund · Chicago, Illinois, United States · 3 investments in United States Clean Energy startups, 6 in the past 12 months

New Stack Ventures -- Early Stage Venture Capital Investments in Remarkable Founders

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Investment focus

  • Industry: Software, Information Technology, Health Care
  • Stage:Pre-Seed, Seed, Series A
  • Geography: United States, Canada, Mexico

Investor stats

  • Total investments: 89
  • Round size: Seed $750k–$4.1M; Pre-Seed $500k–$2.4M; Series A $5M–$16M
  • Lead/follow: 42% lead, 58% follow
  • Last fund: Likely still investing — fund raised in 2022

Portfolio highlights

  • equipifi — Equipping banks with buy now, pay later capabilities.
  • Earlyasset — Earlyasset is a private market infrastructure company that brings price transparency and liquidity access to the venture secondary market.The platform enables shareholders — including employees, founders, and early investors — to discover the estimated market value of their private equity, priced to their specific share class and cap stackposition using real market data, public comparables, and proprietary signals. Unlike last-round valuations or 409A estimates, Earlyasset models what a secondary buyer would actually pay today.For VCs, LPs, and multi-asset holders, Earlyasset provides portfolio-level pricing across dozens of positions — uploadable via a schedule of investments — updated continuously as market conditions change.When shareholders are ready for liquidity, Earlyasset Capital steps in as a direct buyer for qualifying companies (Series B+ with strong revenue and growth). For situations outside that criteria, the platform's SecondaryOS product helps issuing companies manage bespoke secondary transactions directly — handling shareholder communications, cap table coordination, and share pricing for transactions of any size and stock class.Earlyasset removes the friction, opacity, and broker dependency that have historically made private market liquidity inaccessible for most shareholders. The result is a transparent, company-friendly process that puts shareholders in control of when and how they access the value they've earned.
  • Keebler Health — Keebler Health is an AI-first risk adjustment platform for providers and payers that are at risk for Medicare & Medicaid lives.
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MCJ
VC Fund · Kasukabe, Saitama, Japan · 3 investments in United States Clean Energy startups, 11 in the past 12 months

MCJ backs extraordinary founders driving the transition of energy and industry and tackling the inevitable impacts of climate change. We discover and invest in startups rewriting industries to be cleaner, more profitable and more resilient. We strengthen our investments through the MCJ Collective — a vetted member network that connects talentedtech and industrial leaders with our portfolio and with one another. Our media platform including the Inevitable podcast spotlights key perspectives critical to our portfolio and the transition at large, reaching tens of thousands of professionals multiple times per week. Learn more at mcj.vc

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Investment focus

  • Industry: Renewable Energy, Energy, Software
  • Stage:Seed, Series A, Series B
  • Geography: United States, United Kingdom, Kenya

Investor stats

  • Total investments: 90
  • Round size: Seed $2.6M–$11M; Series A $8M–$38M; Series B $24M–$150M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • DG Matrix — DG Matrix innovative solutions unlock gigaton-scale emissions reductions by enabling electrification anywhere and everywhere with less material and a smaller footprint.
  • Archimetis — Archimetis provides an AI-powered operational reasoning system for complex industrial facilities. The platform applies industrial AI and agent-based reasoning to help energy, chemical, pharma, and refinery operators predict failures and optimize processes in real time. Archimetis analyzes plant data from planning to execution to support faster,higher-confidence operational decisions. The system is designed for refineries and process manufacturing environments seeking to reduce downtime and improve throughput. Archimetis also offers demos and implementation support for refinery and process manufacturing teams.
  • Moment Energy — Moment Energy empowers commercial and industrial clients across North America to reduce operational costs, increase energy resilience for business, and achieve sustainability goals.
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Virta Ventures
VC Fund · San Francisco, California, United States · 3 investments in United States Clean Energy startups

Virta Ventures is a seed stage personal investment vehicle and syndicate. Virta invests in entrepreneurs and companies building sustainable businesses that deliver positive social and environmental benefits.

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Investment focus

  • Industry: Software, FinTech, Solar
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, United Kingdom

Investor stats

  • Total investments: 16
  • Round size: Seed $2.3M–$4M; Pre-Seed $3M–$5.3M; Series A $10M–$14M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Tyba — Tyba's unified project simulation and operating platform helps teams develop, operate, and optimize standalone and hybrid storage projects.
  • Vor Systems
  • Everstar — Everstar is an AI-powered system designed to assist with the operation and management of nuclear power plants.
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11.2 Capital
VC Fund · San Francisco, California, United States · 3 investments in United States Clean Energy startups

In physics, 11.2 km/s is the escape velocity from Earth's gravity. They focus on emerging technologies such as AI, cybersecurity, robotics, quantum, new space, computational therapeutics, synthetic biology. ​They believe great people are leading indicators of a company's success. 11.2 Capital’s technical background, operationalexperience, and a strong network of amazing advisors and international partners particularly in Asia deliver a unique set of resources to entrepreneurs. While they are happy to help companies across the full range of early-stage company questions, areas where they concentrate include technical recruiting, partnerships (OEM and distribution partnerships for smart hardware companies, data partnerships for data-driven healthcare companies), customer introductions (CISO introductions for security companies, provider introductions for healthcare companies), and follow-on financings.

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Investment focus

  • Industry: Software, Information Technology, Biotechnology
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 57
  • Round size: Seed $1M–$12M; Series A $7.3M–$26M; Series B $15M–$53M
  • Lead/follow: 12% lead, 88% follow

Portfolio highlights

  • Human Security — HUMAN is a cybersecurity company that protects enterprises from bot attacks to keep digital experiences human.
  • CryptoNumerics — HIPAA, GDPR and Data Residency requirements restrict your ability to conduct data science. CryptoNumerics removes these restrictions. CryptoNumerics enables you to create privacy protected datasets with quantifiable privacy risk. In addition, you can build statistical and machine learning models that protect people’s privacy. Our team consists ofengineers and visionaries with previous experience in C-Level roles at Fortune 500 companies, founding teams of venture backed growth stage start-ups, and accomplished R&D leaders.
  • Coalesce Automation — Coalesce is the only data transformation tool built for scale. Evolve your transformations and empower your entire data team.
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Kapor Capital
VC Fund · Oakland, California, United States · 3 investments in United States Clean Energy startups

Kapor Capital is an investment firm that invests in early-stage tech-enabled startups. They are an Oakland-based fund that understands that startup companies have the ability to transform entire industries and to address urgent social needs as they do so. It was founded in 1999 and headquartered in Oakland, California.

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Investment focus

  • Industry: Software, Education, Health Care
  • Stage:Seed, Series A, Series B
  • Geography: United States, Kenya, Japan

Investor stats

  • Total investments: 227
  • Round size: Seed $1M–$5.8M; Series A $3M–$20M; Series B $10M–$50M
  • Lead/follow: 11% lead, 89% follow
  • Last fund: May invest from a new fund soon — raised $126M in 2021

Portfolio highlights

  • Parento — Parento is a pioneering national insurance-based solution for paid parental empowering companies to support working parents with proactive, tangible paid leave coverage and employee resources.
  • Reportwell — An easy-to-use compliance & reporting platform saving your team hundreds of hours and headaches. From smart report templates to streamlined performance framework dashboards, simple has arrived for compliance & reporting to governmental agencies.
  • Hamlet — Hamlet transforms local information into accessible insights you can use and shares it via newsletter.
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Fine Structure Venture
VC Fund · Boston, Massachusetts, United States · 3 investments in United States Clean Energy startups, 8 in the past 12 months

Venture capital for disruptive scientific innovation

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Investment focus

  • Industry: Energy, Manufacturing, Clean Energy
  • Stage:Series A, Series B, Seed
  • Geography: United States, United Kingdom, Spain

Investor stats

  • Total investments: 41
  • Round size: Seed $5M–$28M; Series A $12M–$58M; Series B $6.2M–$100M
  • Lead/follow: 44% lead, 56% follow

Portfolio highlights

  • BoolSi — BoolSi is a command line tool for distributed simulations and analysis of synchronous Boolean networks.
  • pH7 — Our sustainable extraction of critical metals drives the transition to green energy with advanced, zero-emission technologies.
  • Sepion Technologies — Sepion is an advanced membrane company offering a platform suite of highly-tunable nanoscale membranes for multiple industrial markets. The company was founded in 2015 and is based in Emeryville, California, United States.
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Chrysalix Venture Capital
VC Fund · Vancouver, British Columbia, Canada · 3 investments in United States Clean Energy startups

Leading global venture capital fund that invests in resource intensive industries across North America and Europe.

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Investment focus

  • Industry: Energy, Manufacturing, CleanTech
  • Stage:Series B, Series A
  • Geography: United States, Canada, The Netherlands

Investor stats

  • Total investments: 107
  • Round size: Series A $2M–$16M; Series B $5.4M–$24M
  • Lead/follow: 27% lead, 73% follow
  • Last fund: Likely still investing — fund raised in 2023

Portfolio highlights

  • Luffy AI — Discover Luffy AI's Neuroplastic AI for rapid, adaptive industrial control in robotics, drives, automotive, and more. Enhance system performance and reduce calibration needs. Replace or complement PID loops with Adaptive Control for your Physical AI usecase.
  • Geopyörä Oy — Geopyörä is the state of the art in rock breakage characterization testing and it was developed to allow mining companies to test several samples at low cost for geometallurgical, comminution design and control applications
  • Rithmik Solutions — We increase uptime in mines with advanced analytics that optimize maintenance and extend equipment life.
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Threshold
VC Fund · Menlo Park, California, United States · 3 investments in United States Clean Energy startups

Threshold is an early-stage venture capital firm that focuses on a high-conviction investment strategy. The firm partners with entrepreneurs to build innovative consumer, enterprise, and healthcare technology companies.

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Investment focus

  • Industry: Software, Internet, Mobile
  • Stage:Series B, Series A, Series C
  • Geography: United States, India, Canada

Investor stats

  • Total investments: 510
  • Round size: Series A $2.3M–$23M; Series B $4.2M–$50M; Series C $4.5M–$81M
  • Lead/follow: 24% lead, 76% follow
  • Last fund: Likely still investing — raised $450M in 2022

Portfolio highlights

  • EdgeQ — EdgeQ is an information technology company that specializes in the fields of 5G chip systems. The company is pioneering converged connectivity and AI that is fully software-customizable and programmable. It was founded in 2018 and headquartered in Santa Clara, California.
  • CrowdAI — The world's most intuitive computer vision platform built for users of all technical abilities, no code required.
  • SpaceX — SpaceX designs, manufactures and launches advanced rockets and spacecraft.
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Dolby Family Ventures
VC Fund · San Francisco, California, United States · 3 investments in United States Clean Energy startups

Investing in early-stage companies solving the biggest science and engineering challenges since 2014.

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Investment focus

  • Industry: Biotechnology, Health Care, Software
  • Stage:Series A, Seed, Series B
  • Geography: United States, Austria, Germany

Investor stats

  • Total investments: 144
  • Round size: Seed $2M–$9.4M; Series A $6.5M–$50M; Series B $10M–$65M
  • Lead/follow: 8% lead, 92% follow

Portfolio highlights

  • Exciva — EXCIVA GmbH is a privately held biotech company focused on development of clinical stage therapeutics for various indications in neuropsychiatry.
  • Transition Metal Solutions — Transition harnesses wild microbial communities to recover copper and other critical metals from low-grade mining resources.
  • MindImmune Therapeutics — Breaking through barriers to new therapeutics for brain disease.
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Braemar Energy Ventures
VC Fund · New York, New York, United States · 3 investments in United States Clean Energy startups

While energy has been a key to global development since the dawn of the electronic age, the beginning of the new century has seen a tremendous surge in the technology advancements, market activity and the strategic importance of energy around the world. While many companies and investors have sought to take advantage of the tremendous opportunitytoday's energy industry presents, the unique market issues, scientific contributions and complex web of interrelationships require a specialized expertise.Braemar Energy Ventures was formed in 2002 to create a venture capital firm with that expertise. Focused exclusively on technology and communications opportunities in the energy sector, Braemar Energy Ventures has both the industry and operating knowledge to select promising young companies, bring them into the larger energy world and guide them to reach their full potential.The firm's four principals have a long history of successful investments, as well as experience financing and operating companies in the energy sector. Together, they have been responsible for investing in almost 40 energy technology companies, including early stage companies which have grown to become some of the most successful in the sector.Braemar Energy Ventures works with management teams who are skilled in their industry but who can benefit from Braemar's assistance with strategic direction and financing issues. Having worked with many early stage companies, the Braemar Energy Ventures principals understand the challenges that many young companies face and provide invaluable counsel to their portfolio companies on longer-term issues, allowing management to focus on daily operations.

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Investment focus

  • Industry: Manufacturing, Energy, Renewable Energy
  • Stage:Series B, Series C, Series A
  • Geography: United States, Canada, France

Investor stats

  • Total investments: 104
  • Lead/follow: no public data

Portfolio highlights

  • 3E Nano — Transform your windows and other transparent barriers with NxLite's innovative coatings on glass and lightweight polymers.
  • Utilidata — Utilidata is an AI-powered technology company that provides utilities with robust, real-time insights to operate a connected grid and better serve their customers.
  • LO3 Energy — LO3 Energy is a technology and business development consulting firm with a focus on emerging decentralized business models. The company builds tools and develops projects to support and accelerate the proliferation of the distributed energy, utilities, and computation sharing economy of the future.
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Milkbox Partners
VC Fund · New York, New York, United States · 3 investments in United States Clean Energy startups

Milkbox Partners, early stage investment and advisory firm, angel investors, startups, venture capital

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Investment focus

  • Industry: Machine Learning, Software, Health Care
  • Stage:Series A, Seed
  • Geography: United States, Canada, Germany

Investor stats

  • Total investments: 22
  • Round size: Seed $120k–$3.8M; Series A $7M–$21M
  • Lead/follow: 0% lead, 100% follow

Portfolio highlights

  • Solsten — 12traits is an AI firm engaged in understanding human behavior in the digital world for powering the future of customer experience.
  • Goally — Hi! We're Goally. We make bedtime & mornings way less stressful with a safe tablet built for kids. We'll help with routines, social skills, and more!
  • Nutrisense — NutriSense CGM program allows you to track how your diet, exercise, lifestyle, and sleep affect your blood glucose levels. Accountability with every CGM sensor scan and registered dietitian support to help you achieve your health goals.
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Blue Bear Capital
VC Fund · Beverly Hills, California, United States · 3 investments in United States Clean Energy startups

Discover AI Energy Venture Capital Fund with Blue Bear Capital investing in AI powered solutions for sustainable energy.

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Investment focus

  • Industry: Software, Artificial Intelligence, Information Technology
  • Stage:Series A, Seed, Series B
  • Geography: United States, Germany, The Netherlands

Investor stats

  • Total investments: 82
  • Round size: Seed $2M–$6.5M; Series A $5.5M–$16M; Series B $5.6M–$42M
  • Lead/follow: 38% lead, 62% follow
  • Last fund: May invest from a new fund soon — last raise in 2019

Portfolio highlights

  • Korial — Energy Robotics provides an end-to-end solution for autonomous robotic inspection in capital-intensive industries such as oil & gas, chemical and energy.
  • Demex — The Demex Group is a technology company that customizes and delivers climate-resilience through financial risk solutions on a global scale.
  • Lastwall — Lastwall exists to protect democratic institutions by strengthening the cybersecurity posture of defense and critical infrastructure partners.
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Acrew Capital
VC Fund · San Francisco, California, United States · 3 investments in United States Clean Energy startups

Defining the future of venture.

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Investment focus

  • Industry: Software, Financial Services, Information Technology
  • Stage:Series A, Seed, Series B
  • Geography: United States, Mexico, United Kingdom

Investor stats

  • Total investments: 166
  • Round size: Seed $2.5M–$14M; Series A $10M–$35M; Series B $25M–$75M
  • Lead/follow: 39% lead, 61% follow
  • Last fund: Likely still investing — raised $450M in 2021

Portfolio highlights

  • Medallion — Provider credentialing and enrollment reimagined. Accelerate time-to-revenue, stay compliant, and scale provider operations, without adding headcount, through automated credentialing and enrollment.
  • Novellia — Novellia provides an AI-powered platform for individuals to access, manage, and gain insights from their personal health records.
  • Catena Labs — Catena is a product studio where we transform complex computing advancements into accessible, practical tools for users and developers. Leveraging AI and web3 technology our aim is to turn innovative ideas into real-world applications that are easy to use.
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Clean Energy VC funding in United States at a glance

Stats across 1.3k deals from 1.5k investors.

1.5k
investors
in United States Clean Energy startups
1.3k
deals
in United States Clean Energy startups
$11M
median round
in United States Clean Energy startups
41%
lead investors
lead at least one round
19%
Grant
most common funding stage

Access all 1525 VC funds in United States Clean Energy startups.

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