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

The most active venture capital funds investing in United States Energy startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in United States 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
Alumni Ventures
VC Fund
83 United States, United Kingdom, Canada Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $850k–$75M
Breakthrough Energy Ventures
VC Fund
83 United States, Canada, France Series A, Series B Energy, Renewable Energy, Manufacturing $11M–$193M
Third Sphere
VC Fund
68 United States, United Kingdom, Israel Seed, Pre-Seed, Convertible Note Software, Energy, Real Estate $100k–$7.5M
Right Side Capital Management
VC Fund
63 United States, Canada, United Kingdom Seed, Pre-Seed, Convertible Note Software, SaaS, Health Care $50k–$1.8M
Lowercarbon Capital
VC Fund
56 United States, United Kingdom, France Seed, Series A, Series B Renewable Energy, Energy, Biotechnology $3M–$150M
Collaborative Fund
VC Fund
56 United States, United Kingdom, South Korea Seed, Series A, Series B Software, Food and Beverage, Artificial Intelligence $1.4M–$75M
Climate Capital
VC Fund
53 United States, Canada, Germany Seed, Pre-Seed, Series A Energy, Manufacturing, Renewable Energy $800k–$31M
Congruent Ventures
VC Fund
51 United States, Canada, United Kingdom Seed, Series A, Series B Software, Energy, Robotics $2.1M–$90M
Clean Energy Venture Group
VC Fund
49 United States, Canada Seed, Series A, Convertible Note Energy, Renewable Energy, Manufacturing $630k–$11M
SOSV
VC Fund
48 United States, India, United Kingdom Seed, Convertible Note, Pre-Seed Biotechnology, Health Care, Software
Powerhouse Ventures
VC Fund
45 United States, Canada, United Kingdom Seed, Series A, Pre-Seed Software, Energy, Solar $1.1M–$30M
Liquid 2 Ventures
VC Fund
44 United States, Mexico, Canada Seed, Series A, Pre-Seed Software, Artificial Intelligence, Information Technology $125k–$48M
MCJ
VC Fund
43 United States, United Kingdom, Kenya Seed, Series A, Series B Renewable Energy, Energy, Software $3.7M–$150M
Clean Energy Ventures
VC Fund
39 United States, Canada, Israel Seed, Series A, Convertible Note Manufacturing, Energy, Renewable Energy $500k–$26M
Energy Impact Partners
VC Fund
38 United States, Canada, United Kingdom Series A, Series B, Series C Software, Energy, Renewable Energy $8.8M–$110M
Khosla Ventures
VC Fund
37 United States, India, United Kingdom Series A, Series B, Seed Software, Artificial Intelligence, Health Care $1.9M–$100M
Everywhere Ventures
VC Fund
37 United States, Australia, India Pre-Seed, Seed, Series A Software, Health Care, FinTech $250k–$20M
Gaingels
VC Fund
36 United States, Canada, Mexico Seed, Series A, Series B Software, Health Care, Artificial Intelligence $1M–$100M
Prelude Ventures
VC Fund
35 United States, Canada Series A, Series B, Series C Software, Energy, Renewable Energy $6.8M–$128M
Grantham Foundation
VC Fund
34 United States, United Kingdom, Canada Seed, Series A, Venture - Series Unknown Energy, Biotechnology, Agriculture $1.7M–$38M
DCVC
VC Fund
34 United States, Canada, United Kingdom Seed, Series A, Series B Software, Artificial Intelligence, Machine Learning $1.1M–$130M
Soma Capital
VC Fund
29 United States, India, Mexico Seed, Pre-Seed, Series A Software, Artificial Intelligence, FinTech $125k–$35M
Shell Ventures
VC Fund
28 United States, United Kingdom, India Series A, Series B, Venture - Series Unknown Energy, Renewable Energy, Software $2.4M–$126M
Evergreen Climate Innovations
VC Fund
28 United States Seed, Convertible Note, Pre-Seed Energy, Manufacturing, Electronics $40k–$8M
Overture Ventures
VC Fund
27 United States, Canada Seed, Series A, Series B Manufacturing, Software, Renewable Energy $2M–$150M
U.S. Department of Agriculture
VC Fund
27 United States, Canada, Ireland Grant, Debt Financing, Seed Non Profit, Electrical Distribution, Energy $20k–$113M
Good Growth Capital
VC Fund
26 United States, France, Israel Seed, Series A, Convertible Note Health Care, Biotechnology, Software $25k–$24M
City Light Capital
VC Fund
26 United States, Canada Seed, Series A, Series B Health Care, Software, Wellness $1.2M–$60M
New York Ventures
VC Fund
26 United States, Canada, Israel Seed, Series A, Series B Health Care, Biotechnology, Software $1M–$53M
Fifty Years
VC Fund
24 United States, Germany, Canada Seed, Series A, Pre-Seed Biotechnology, Health Care, Artificial Intelligence $572k–$40M
Launch NY
VC Fund
24 United States, Canada, Denmark Convertible Note, Seed, Pre-Seed Software, Health Care, SaaS $18k–$2.2M
Sand Hill Angels
VC Fund
24 United States, Canada, India Seed, Convertible Note, Series A Software, Health Care, Biotechnology $300k–$25M
Chevron Technology Ventures
VC Fund
23 United States, United Kingdom, Canada Series A, Series B, Series C Energy, Software, Manufacturing $4.8M–$115M
Threshold
VC Fund
22 United States, India, Canada Series B, Series A, Series C Software, Internet, Mobile $2.5M–$75M
Blue Bear Capital
VC Fund
22 United States, Germany, The Netherlands Series A, Seed, Series B Software, Artificial Intelligence, Information Technology $1.5M–$34M
Andreessen Horowitz
VC Fund
22 United States, United Kingdom, Brazil Series A, Seed, Series B Software, Information Technology, Artificial Intelligence $1.6M–$112M
Houston Angel Network
VC Fund
22 United States, Canada, France Seed, Series A, Venture - Series Unknown Health Care, Software, Medical $25k–$7M
Asymmetry Ventures
VC Fund
22 United States, India, Canada Seed, Pre-Seed, Series A Software, Health Care, Biotechnology $125k–$21M
Climate Pledge Fund
VC Fund
22 United States, Canada, India Series A, Series B Energy, CleanTech, Renewable Energy $11M–$246M
Ecosystem Integrity Fund
VC Fund
21 United States, India, Brazil Series A, Series B Energy, Renewable Energy, Software $4M–$45M
BoxGroup
VC Fund
21 United States, Mexico, Canada Seed, Series A, Series B Software, Health Care, Artificial Intelligence $1.8M–$90M
E8 Angels
VC Fund
21 United States, Canada Seed, Series A, Series B Renewable Energy, Information Technology, Energy $195k–$21M
Massachusetts Clean Energy Center
VC Fund
21 United States, United Kingdom, Italy Grant, Seed, Series A Energy, Renewable Energy, Manufacturing $65k–$10M
Connecticut Innovations
VC Fund
20 United States, Israel, Canada Seed, Series A Health Care, Biotechnology, Software $150k–$25M
Flybridge
VC Fund
20 United States, Canada, Brazil Seed, Series A, Series B Software, Artificial Intelligence, Information Technology $1M–$35M
General Catalyst
VC Fund
20 United States, United Kingdom, India Series A, Seed, Series B Software, Artificial Intelligence, Health Care $1.7M–$123M
Union Square Ventures
VC Fund
20 United States, United Kingdom, Germany Series A, Series B, Seed Software, Financial Services, FinTech $2M–$45M
The Engine
VC Fund
20 United States Seed, Series A, Series B Biotechnology, Health Care, Software $2M–$150M
RockPort Capital
VC Fund
19 United States, Canada, Norway Series C, Series B, Series A Energy, Manufacturing, Renewable Energy $4M–$32M
Wireframe Ventures
VC Fund
18 United States, United Kingdom Seed, Series A, Pre-Seed Biotechnology, Software, SaaS $120k–$51M
Access all 8603 VC funds in United States Energy startups.

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

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Investor list

Alumni Ventures
VC Fund · Manchester, New Hampshire, United States · 83 investments in United States 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: 2701
  • Round size: Seed $850k–$9.9M; Series A $3.5M–$32M; Series B $8M–$75M
  • Lead/follow: 4% lead, 96% follow
  • Last fund: Likely actively investing — fresh fund, raised $90k in 2026

Portfolio highlights

  • QuadSci — Customer Intelligence AI that predicts churn and growth from product telemetry, CRM data and conversational signals.
  • Veda — Veda is the largest vault infrastructure platform in DeFi, enabling institutions to launch and manage onchain financial products at scale.
  • Iambic — Iambic has created a cutting-edge AI-driven platform to tackle the most challenging design problems in drug discovery and address unmet patient need.
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Breakthrough Energy Ventures
VC Fund · Paris, Ile-de-France, France · 83 investments in United States 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: 286
  • Round size: Series A $11M–$55M; Series B $20M–$193M
  • Lead/follow: 47% lead, 53% follow
  • Last fund: Likely actively investing — fresh fund, raised $145M in 2025

Portfolio highlights

  • 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.
  • Physical Superintelligence — Physical Superintelligence develops physical superintelligence systems that use AI-driven research to study physics, engineer physical systems, and explore new physical laws. Its approach combines human scientists with virtual physicists that conduct autonomous research campaigns covering hypothesis development, verification, experimentation,engineering, and deployment. The company focuses initially on the physical infrastructure underlying AI, including energy, materials, computation, sensing, and manufacturing.
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Third Sphere
VC Fund · Brooklyn, New York, United States · 68 investments in United States 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, Real Estate
  • Stage:Seed, Pre-Seed, Convertible Note
  • Geography: United States, United Kingdom, Israel

Investor stats

  • Total investments: 208
  • Round size: Seed $100k–$7.5M; Pre-Seed $150k–$3M; Convertible Note $125k–$1.2M
  • Lead/follow: 9% lead, 91% follow
  • Last fund: Likely still investing — raised $9.9M in 2022

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.
  • Merino Energy — Electric cooling and heating installed in an hour or less.
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Right Side Capital Management
VC Fund · San Francisco, California, United States · 63 investments in United States Energy startups

Systematic Pre-Seed Startup Capital

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Investment focus

  • Industry: Software, SaaS, Health Care
  • Stage:Seed, Pre-Seed, Convertible Note
  • Geography: United States, Canada, United Kingdom

Investor stats

  • Total investments: 1981
  • Round size: Seed $50k–$1.8M; Pre-Seed $50k–$450k; Convertible Note $50k–$400k
  • Lead/follow: 3% lead, 97% follow
  • Last fund: Likely actively investing — fresh fund, raised $55M in 2025

Portfolio highlights

  • tbh — tbh is a developer of a mobile application designed to provide anonymous feedback to friends. The company's mobile application facilitates asking or answering questions, open text fields and invite abuse when combined with anonymity, enabling users to say things without repercussions and feel better about themselves from the positive feedbackon social networks.
  • Vidrovr — Vidrovr develops multimodal computer vision and machine learning systems to index, tag, and understand video. It processes videos with specific domain constraints, such as in sports, government, and media verticals. Its technology enables its users to search an indexed video corpus and retrieve content inside videos and link it to other media likephotos and text.The company Integrates social media to enable direct interactions between multimedia content. Vidrovr was founded in 2016 and is headquartered in New York.
  • TasksMind — Customer Reliability Platform
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Lowercarbon Capital
VC Fund · New York, New York, United States · 56 investments in United States 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: 225
  • Round size: Seed $3M–$12M; Series A $11M–$50M; Series B $21M–$150M
  • Lead/follow: 40% lead, 60% follow
  • Last fund: Likely actively investing — fresh fund, raised $11M in 2025

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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Collaborative Fund
VC Fund · New York, New York, United States · 56 investments in United States 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: 385
  • Round size: Seed $1.4M–$10M; Series A $4.7M–$37M; Series B $15M–$75M
  • Lead/follow: 17% lead, 83% follow
  • Last fund: Likely actively investing — fresh fund, raised $15M in 2026

Portfolio highlights

  • Diffraqtion — Quantum camera platform that enables satellites and machines to see further and think faster with cutting-edge technology.
  • 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.
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Climate Capital
VC Fund · San Francisco, California, United States · 53 investments in United States Energy startups

Diversified investments in the most promising early stage climate startups backed by top tier VCs.

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Investment focus

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

Investor stats

  • Total investments: 130
  • Round size: Seed $2M–$9M; Pre-Seed $800k–$2.5M; Series A $9.7M–$31M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Revoy — We haul Pacific Northwest freight with our 95% electrified fleet.
  • Critical Loop — Unlock the grid. Unlock opportunity.
  • Ludwig Computing — Ludwig Computing is an AI hardware startup creating energy-efficient compute platforms for future intelligent computing.
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Congruent Ventures
VC Fund · Oakland, California, United States · 51 investments in United States Energy startups, 14 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: 155
  • Round size: Seed $2.1M–$11M; Series A $4.6M–$26M; Series B $10M–$90M
  • Lead/follow: 32% lead, 68% follow
  • Last fund: Likely still investing — raised $85M in 2024

Portfolio highlights

  • Fluxco — Procurement, leasing, service, and warranty for transformers from 100+ vetted global suppliers.
  • RockRose Risk — RockRose Risk quantifies wildfire mitigation and turns it into real premium reductions. Clients save an average of 21% on residential and 35%+ on commercial placements.
  • 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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Clean Energy Venture Group
VC Fund · Brookline, Massachusetts, United States · 49 investments in United States 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, Convertible Note
  • Geography: United States, Canada

Investor stats

  • Total investments: 73
  • Round size: Seed $1M–$5.6M; Series A $2M–$11M; Convertible Note $630k–$2.5M
  • Lead/follow: 8% lead, 92% 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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SOSV
VC Fund · Princeton, New Jersey, United States · 48 investments in United States Energy startups, 75 in the past 12 months

SOSV is a global, deep tech venture capital firm that operates the HAX and IndieBio startup development programs focused on human and planetary health. SOSV invests $500,000 in startups at their inception as they onboard either HAX or IndieBio for a 4-6 month period designed to accelerate the raise of their next institutional round. SOSV joins thelater rounds of HAX and IndieBio graduates. HAX, based in a 35,000 sq ft facility in Newark, NJ, is equipped with machine tools, 3D printers, chemical, electrical and mechanical engineering labs, as well as on-staff engineering and design experts. SOSV's IndieBio has locations in NYC and San Francisco, both of which offer extensive services and facilities to founders including on-site BSL-2 labs, well equipped lab benches and hoods, and advanced lab equipment, such as chromatography equipment.

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Investment focus

  • Industry: Biotechnology, Health Care, Software
  • Stage:Seed, Convertible Note, Pre-Seed
  • Geography: United States, India, United Kingdom

Investor stats

  • Total investments: 1482
  • Lead/follow: no public data

Portfolio highlights

  • MixRift — MIXRIFT - game developers specialized in Mixed Reality
  • unspun — From 3D scan to perfect fitting custom jeans. unspun makes each pair of jeans unique to your actual body and design. On a mission to reduce global carbon emissions by 1%. As seen in Fast Company's World Changing Ideas, Time's Best Inventions, and PopSci's Best of What's New. Welcome to the future of apparel.
  • Mesa Quantum — Unlock the potential of chip-scale quantum sensing for enhanced Position, Navigation, And Timing capabilities. Explore Mesa Quantum's practical solutions.
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Access 48,091 investors

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

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Powerhouse Ventures
VC Fund · Oakland, California, United States · 45 investments in United States 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: 80
  • Round size: Seed $1.1M–$5M; Pre-Seed $1.1M–$1.5M; Series A $3.3M–$30M
  • Lead/follow: 14% lead, 86% follow
  • Last fund: Likely still investing — raised $70M in 2022

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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Liquid 2 Ventures
VC Fund · San Francisco, California, United States · 44 investments in United States Energy startups

Liquid2 Ventures provides technology startups with seed-stage investments and is based in San Francisco, California. The firm was founded in 2015 by Joe Montana, Mike Miller, and Michael Ma.

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Investment focus

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

Investor stats

  • Total investments: 1234
  • Round size: Seed $1.1M–$9.1M; Pre-Seed $125k–$2.7M; Series A $6M–$48M
  • Lead/follow: 1% lead, 99% follow
  • Last fund: Likely actively investing — fresh fund, raised $12M in 2026

Portfolio highlights

  • Albedo — Aerial quality imagery - from space.
  • Vulcan — Frontier AI for government, law, and policy | backed by @ycombinator @generalcatalyst @cubitcapital
  • Attention — Attention is building an AI co-pilot designed to automate repetitive, multi-app desktop tasks.
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MCJ
VC Fund · Kasukabe, Saitama, Japan · 43 investments in United States Energy startups, 13 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: 100
  • Round size: Seed $3.7M–$11M; Series A $11M–$40M; Series B $24M–$150M
  • Lead/follow: 0% lead, 100% follow
  • Last fund: Likely still investing — raised $68M in 2023

Portfolio highlights

  • Light — Get the benefits of power without the burden as we manage risk, regulatory compliance, payments, and customer support.
  • Reservoir — Reservoir is making home electrification easy, affordable, and awesome, starting with hot water because it's the fastest way to make the biggest impact.
  • Odyssey — Discover how Odyssey Energy Solutions unblocks bottlenecks in DRE project development. Access diverse financing, procure equipment efficiently, and remotely monitor system performance. Join over 2000 renewable energy companies that use Odyssey to scale. Get in touch today.
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Clean Energy Ventures
VC Fund · Boston, Massachusetts, United States · 39 investments in United States 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: 73
  • 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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Energy Impact Partners
VC Fund · New York, New York, United States · 38 investments in United States Energy startups, 19 in the past 12 months

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: 217
  • Round size: Series A $8.8M–$33M; Series B $15M–$100M; Series C $23M–$110M
  • Lead/follow: 51% lead, 49% follow
  • Last fund: Likely actively investing — fresh fund, raised $1.4B in 2025

Portfolio highlights

  • CivilGrid — CivilGrid centralizes utility, environmental, geotechnical, and other site data in a SaaS platform where your teams can collaboratively scope and plan projects.
  • Voya Energy — Voya is unleashing the power of metal fuels to rapidly deliver reliable, clean, affordable electricity anywhere on Earth.
  • Reframe Systems — Robotic microfactories for building net-zero homes 2x faster, 2x cheaper with 10x lower carbon
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Khosla Ventures
VC Fund · Menlo Park, California, United States · 37 investments in United States 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: 1441
  • Round size: Seed $1.9M–$25M; Series A $5.5M–$47M; Series B $11M–$100M
  • Lead/follow: 39% lead, 61% follow
  • Last fund: Likely actively investing — fresh fund, raised $31M in 2026

Portfolio highlights

  • Seeo — Daftar akun togel resmi bisa melalui via dana, ovo, gopay, linkaja kami juga menyediakan berbagai link togel terpercaya seperti bo togel hadiah 2d 200rb, bandar togel hadiah 4d 10 juta terpercaya, situs togel resmi dan terpercaya, agen togel terpercaya, daftar bandar togel terbesar dan terpercaya, bandar togel terbesar, situs togel prize 123, bo togel bolak balik dibayar dan banyak lainnya yang kami sediakan untuk pencinta link togel resmi di Indonesia.
  • Anrok — Anrok automates sales tax compliance across your financial stack, so you can grow your SaaS business in any market.
  • Lovable — Build apps, websites, and digital products faster using Lovable's AI-powered platform, no deep coding skills required.
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Everywhere Ventures
VC Fund · New York, New York, United States · 37 investments in United States 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: 1303
  • Round size: Seed $1M–$6.5M; Pre-Seed $250k–$2.5M; Series A $6M–$20M
  • Lead/follow: 2% lead, 98% follow
  • Last fund: Likely actively investing — fresh fund, raised $4.4M in 2026

Portfolio highlights

  • Donna — Meet Donna, the AI assistant built for field sales teams. Save time, cut admin, and close more deals with less effort.
  • Keebler Health — AI-Enabled Coding for Medical Billing Teams
  • Neurometric AI — Making Intelligence Free | https://t.co/ZxWxeMBJt2 | https://t.co/W8nlLqYwQi
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Gaingels
VC Fund · New York, New York, United States · 36 investments in United States Energy startups

Gaingels is a venture investment syndicate in service of the LGBT+ community and its allies, investing in companies with LGBT+ founders and C-suite leaders at all stages of growth, as well as in more established companies resolved on building more inclusive teams, with a global portfolio of 130+ companies and $70M in deployed investment capital todate. The Gaingels network also actively supports its portfolio in identifying and recruiting diverse talent to their C-suite and board leadership teams and fosters a vibrant global community of industry leaders, investors, operators, and entrepreneurs who share a common goal for positive social change through business and successful investments.

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Investment focus

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

Investor stats

  • Total investments: 1338
  • Round size: Seed $1M–$8.2M; Series A $5M–$35M; Series B $16M–$100M
  • Lead/follow: 1% lead, 99% follow
  • Last fund: Likely actively investing — fresh fund, raised $140k in 2026

Portfolio highlights

  • Catio — Cloud architecture platform enabling companies to excel with cloud native tech stacks, focused on tech stack evaluation, planning, and evolution, with the help of AI.
  • Epirus — Epirus is a high-growth technology company that develops cutting-edge directed energy systems and power management solutions to transform multiple industries.
  • Multiverse Computing — World leaders in quantum computing for the financial industry. The first quantum & quantum-inspired toolbox for finance.
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Prelude Ventures
VC Fund · San Francisco, California, United States · 35 investments in United States 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: 180
  • Round size: Series A $6.8M–$33M; Series B $9.3M–$101M; Series C $19M–$128M
  • Lead/follow: 31% lead, 69% 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.
  • Form Energy — Form Energy is an American company driving innovation in energy manufacturing and technology to ensure a clean, secure, and reliable electric grid.
  • 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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Grantham Foundation
VC Fund · Boston, Massachusetts, United States · 34 investments in United States Energy startups

Grantham Foundation seeks to protect and improve the health of global environmental issues and supports individuals and organizations. It also supports communication and collaboration in environmental protection, with an emphasis on climate change.The foundation focuses on communications to enable the general public to understand that climatechange represents the world’s primary environmental threat today and that mitigating and adapting to a changing climate will lead to a more sustainable and prosperous future.Grantham Foundation was founded in 1997 by Jeremy and Hannelore Grantham and is based in Boston, Massachusetts, USA.

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Investment focus

  • Industry: Energy, Biotechnology, Agriculture
  • Stage:Seed, Series A, Venture - Series Unknown
  • Geography: United States, United Kingdom, Canada

Investor stats

  • Total investments: 89
  • Round size: Seed $1.7M–$13M; Series A $5M–$38M; Venture - Series Unknown $4.7M–$36M
  • Lead/follow: 27% lead, 73% follow

Portfolio highlights

  • Via Separations — Process intensification For today's industries. Do More. With Less. info@viaseparations.com
  • Quercus Biosolutions — Bringing the power of genAI to crop protection.
  • Hephae Energy Technology — Enabling Next-Generation Geothermal with Ultra High Temperature Robotics to support the life cycle of the geothermal energy transition.
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DCVC
VC Fund · San Francisco, California, United States · 34 investments in United States 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: 491
  • Round size: Seed $1.1M–$9.1M; Series A $5.8M–$45M; Series B $15M–$130M
  • Lead/follow: 23% lead, 77% follow
  • Last fund: Likely actively investing — fresh fund, raised $5M in 2026

Portfolio highlights

  • 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.
  • Regent — We build all-electric, passenger-carrying, wing-in-ground-effect vehicles to service coastal routes with technology available today.
  • Callosum — Callosum - Co-evolving chips & intelligence
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Soma Capital
VC Fund · San Francisco, California, United States · 29 investments in United States Energy startups

Welcome to Soma Capital

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Investment focus

  • Industry: Software, Artificial Intelligence, FinTech
  • Stage:Seed, Pre-Seed, Series A
  • Geography: United States, India, Mexico

Investor stats

  • Total investments: 1075
  • Round size: Seed $1.2M–$8.5M; Pre-Seed $125k–$3.8M; Series A $5M–$35M
  • Lead/follow: 2% lead, 98% follow
  • Last fund: Likely actively investing — fresh fund, raised $37M in 2026

Portfolio highlights

  • Starcloud — Starcloud is building a network of megawatt-scale data centers in space, scaleable to gigawatt capacity. Falling launch costs allow Starcloud to take advantage of the abundant energy, passive cooling, and high-speed connectivity in space.
  • Cambium — Cambium Carbon is an early stage social enterprise start up focused on implementing systems-level natural climate solutions centered on reforestation and urban wood reuse.
  • Cognition — Cognition develops artificial intelligence systems for software engineering and code automation. The company operates Devin, an AI software engineer that plans, writes, tests, debugs, and deploys code through integrated development workflows. Its platform works with existing development tools and codebases to support engineering tasks acrossapplication development, maintenance, and issue resolution. Cognition also provides tools that assist teams with system design, technical workflows, and collaborative coding processes. The company focuses on AI agents that automate repetitive engineering work while supporting software teams in managing complex development tasks.
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Shell Ventures
VC Fund · Rijswijk, Zuid-Holland, The Netherlands · 28 investments in United States 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, Venture - Series Unknown
  • Geography: United States, United Kingdom, India

Investor stats

  • Total investments: 173
  • Round size: Series A $6M–$31M; Series B $2.8M–$126M; Venture - Series Unknown $2.4M–$24M
  • Lead/follow: 36% lead, 64% follow

Portfolio highlights

  • 2-B Energy — The perfect wind turbine for offshore floaters or floating platforms
  • 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.
  • Bumper — Split the cost of your car repairs and servicing into manageable monthly instalments with 0% interest. Fix it. Split it. Sorted.
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Evergreen Climate Innovations
VC Fund · Chicago, Illinois, United States · 28 investments in United States Energy startups

Evergreen Climate Innovations supports entrepreneurs and startups that are bringing impactful climate technologies to market.

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Investment focus

  • Industry: Energy, Manufacturing, Electronics
  • Stage:Seed, Convertible Note, Pre-Seed
  • Geography: United States

Investor stats

  • Total investments: 51
  • Round size: Seed $100k–$8M; Pre-Seed $100k–$2.5M; Convertible Note $40k–$310k
  • Lead/follow: 18% lead, 82% follow

Portfolio highlights

  • New Iridium — Kemvera is a sustainable chemical innovation company empowering customers to reduce carbon impact through sustainable, cost-effective, drop-in chemicals and materials with equal performance as fossil products.-
  • C-Motive Technologies — C-Motive Technologies focuses on reinventing the electric motor. Its motors run on the principle of electrostatic forces, also known as "static cling,"​ and stands to change the machines that shape and run people's lives. Founded by Dan Ludois and Justin Reed in 2012, C-Motive Technologies is headquartered in Madison, Wisconsin.
  • Living Ink Technologies — Living Ink is a bioscience research and product company developing the first environmentally safe and sustainable color pigment grown from algae.
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Overture Ventures
VC Fund · Los Angeles, California, United States · 27 investments in United States Energy startups, 8 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
  • Last fund: Likely still investing — raised $60M in 2021

Portfolio highlights

  • Fluxco — Procurement, leasing, service, and warranty for transformers from 100+ vetted global suppliers.
  • Recheck — Recheck is the verification platform for the residential solar industry.
  • Atana Elements — Atana is accelerating the exploration and development of flowing critical minerals and industrial gases. Atana uses a proprietary tech stack to identify and mature mineral resources quickly and effectively.
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U.S. Department of Agriculture
VC Fund · Washington, District of Columbia, United States · 27 investments in United States Energy startups

USDA provides leadership on food, agriculture, natural resources, and related issues based on sound public policy, the best available science, and efficient management. USDA strives to be recognized as a dynamic organization that is able to efficiently provide the integrated program delivery needed to lead a rapidly evolving food and agriculturesystem.USDA has created a strategic plan to implement its vision. The framework of this plan depends on these key activities: expanding markets for agricultural products and supporting international economic development, further developing alternative markets for agricultural products and activities, providing the financing needed to help expand job opportunities and improve housing, utilities, and infrastructure in rural America, enhancing food safety by taking steps to reduce the prevalence of foodborne hazards from farm to table, improving nutrition and health by providing food assistance and nutrition education and promotion, and managing and protecting America's public and private lands working cooperatively with other levels of government and the private sector.

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Investment focus

  • Industry: Non Profit, Electrical Distribution, Energy
  • Stage:Grant, Debt Financing, Seed
  • Geography: United States, Canada, Ireland

Investor stats

  • Total investments: 788
  • Round size: Grant $20k–$25M; Debt Financing $4M–$113M
  • Lead/follow: 97% lead, 3% follow

Portfolio highlights

  • Beer Family Farms — Beer Family Farms is a multigenerational family farm in Northern Indiana
  • Kentucky Department of Agriculture — Welcome to the Kentucky Department of Agriculture.
  • Scott County Telephone Cooperative — Scott County Telephone Cooperative delivers residential and business broadband, TV, and phone services to customers in rural Southwestern Virginia and Northeast Tennessee. To inquire, please contact us at 276-452-9119.
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Good Growth Capital
VC Fund · Charleston, South Carolina, United States · 26 investments in United States 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: 130
  • Round size: Seed $505k–$8.2M; Series A $4.2M–$24M; Convertible Note $25k–$300k
  • Lead/follow: 35% lead, 65% follow
  • Last fund: Likely still investing — raised $43M in 2023

Portfolio highlights

  • Ateios — Ateios is enabling a new generation of thin and flexible electronics with our ultra-thin, conformable, and customizable batteries. The company's current focus is zinc-oxide batteries, that achieve 2-5x higher energy density compared to coin cells. Ateios’ novel manufacturing process allows customizable batteries that can be shaped around theneeds of the product.The company was founded in 2018.
  • 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.
  • Avisi Technologies — Avisi Technologies is developing a nanotechnology-enabled defense against blindness from glaucoma.
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City Light Capital
VC Fund · New York, New York, United States · 26 investments in United States Energy startups

City Light is a venture capital firm that invest in impactful companies in the areas of education, safety and care, and the environment.

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Investment focus

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

Investor stats

  • Total investments: 223
  • Round size: Seed $1.2M–$8M; Series A $4M–$30M; Series B $8.5M–$60M
  • Lead/follow: 7% lead, 93% follow
  • Last fund: May invest from a new fund soon — raised $30M in 2020

Portfolio highlights

  • BoodleBox — BoodleBox is the collaborative AI workspace where humans lead, and AI scales impact. Built for education, enterprise, and individuals. Start for free.
  • Salvo Health — Salvo Health is a digital care team for Irritable Bowel Syndrome (IBS), GERD, SIBO, and other chronic gut health conditions. Sign up today!
  • Xage Security — Secure, manage & transform OT, IT and cloud operations. Deliver zero-trust local access, remote access, and data security.
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New York Ventures
VC Fund · New York, New York, United States · 26 investments in United States 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: 158
  • Round size: Seed $1M–$6.2M; Series A $3M–$20M; Series B $4M–$53M
  • Lead/follow: 5% lead, 95% 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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Fifty Years
VC Fund · San Francisco, California, United States · 24 investments in United States Energy startups, 6 in the past 12 months

WE BACK HEROES using technology to solve the world's biggest problems

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Investment focus

  • Industry: Biotechnology, Health Care, Artificial Intelligence
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, Germany, Canada

Investor stats

  • Total investments: 214
  • Round size: Seed $2M–$13M; Pre-Seed $572k–$3.3M; Series A $8.5M–$40M
  • Lead/follow: 17% lead, 83% follow
  • Last fund: Likely still investing — raised $90M in 2021

Portfolio highlights

  • Onepot.ai — Search 2.7 billion make-on-demand analogs from onepot CORE, get a quote, and we synthesize and QC them in our US-based lab. AI-powered custom synthesis.
  • Wafer — Wafer is an AI optimization platform that automatically accelerates AI models by generating efficient custom GPU kernels.
  • Adaption Labs — Adaptation creates AI systems that adjust to changing real-world circumstances.
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Launch NY
VC Fund · Buffalo, New York, United States · 24 investments in United States Energy startups

Upstate New York's most active nonprofit seed fund. Free mentoring, seed capital, and hands-on support for high-growth startups. 1,900+ companies mentored, 110+ funded, 9,900+ jobs created.

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Investment focus

  • Industry: Software, Health Care, SaaS
  • Stage:Convertible Note, Seed, Pre-Seed
  • Geography: United States, Canada, Denmark

Investor stats

  • Total investments: 248
  • Round size: Seed $50k–$2.2M; Pre-Seed $81k–$1.1M; Convertible Note $18k–$1M
  • Lead/follow: 61% lead, 39% follow
  • Last fund: Likely still investing — raised $16M in 2023

Portfolio highlights

  • Ognomy Sleep — Are you looking for a sleep apnea app? Ognomy brings the high-quality care you can expect from an online sleep doctor. Our mission is to improve global health by democratizing access to care for those who suffer from sleep apnea - over 1 billion people worldwide.
  • 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.
  • Bridge Green Upcycle — Bridge Green Upcycle is a clean energy company that specializes in lithium-ion battery upcycling technology solutions.
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Sand Hill Angels
VC Fund · Mountain View, California, United States · 24 investments in United States Energy startups

For over two decades, Sand Hill Angels has worked openly and collaboratively with venture capital funds, other angel organizations, and the Bay Area ecosystem that fosters the growth of technology startups.

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Investment focus

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

Investor stats

  • Total investments: 590
  • Round size: Seed $940k–$6.2M; Series A $1.6M–$20M; Convertible Note $300k–$25M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • PlusPlus — PlusPlus provides a learning and development SaaS platform for technical professionals. It automates the management of onboarding, workshops, and tech-talks at scale. With PlusPlus, companies attract and develop employees.
  • Clean Power Finance — Clean Power Finance (CPF) is building an online business-to-business marketplace to drive the mass-market adoption of solar. The company connects providers of capital who are committed to investing in residential solar with qualified solar marketers, installers and distributors who need residential solar finance products to differentiate and growtheir businesses. CPF raises 100 percent third-party‐owned project finance funds from institutional investors such as Morgan Stanley and Google, working with the investors to structure and launch the funds with managed risk and return profiles. CPF then markets the funds as solar leases and power purchase agreements (PPAs) to qualified solar professionals, including Paramount Solar and Real Goods Solar (Nasdaq: RSOL), through its licensed online solar sales platform, CPF Tools. CPF Tools is software-as-a-service that simplifies complex sales, quoting, proposal and finance processes and minimizes the “soft costs” of selling solar.CPF’s fund investors earn favorable returns on stable investments on the resulting portfolios of residential distributed generation projects. The company’s solar professional partners gain access to solar leases and power purchase agreements (PPAs) that they can brand and sell to homeowners who want the benefits of solar without the cost and hassle of owning and maintaining a system.CPF manages approximately half a billion dollars of capacity on behalf of fund investors, and supports more than 100 solar professional customers who currently use the CPF Market to sell residential solar finance products to homeowners in CA, CO, HI, MA and NJ. Thousands of solar professionals in all 50 states have extensively used CPF Tools to quote and design solar systems.
  • Magnetic Insight — Magnetic Insight (MI) introduced magnetic particle imaging into the preclinical diagnostic research market enabling quantitative cell tracking, imaging of vascular function, detecting metastatic tumors, visualizing inflammation, CAR-T cell therapies and initial research into regenerative medicine.
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Chevron Technology Ventures
VC Fund · Houston, Texas, United States · 23 investments in United States 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: 178
  • Round size: Series A $4.8M–$34M; Series B $6.5M–$42M; Series C $6M–$115M
  • Lead/follow: 10% lead, 90% follow
  • Last fund: May invest from a new fund soon — raised $90M in 2019

Portfolio highlights

  • Resolutiion — Resolutiion provides AI-powered software for managing commercial conflict, delivery risk, and business relationship performance. The platform supports organizations with dispute detection, workflow automation, contract monitoring, issue resolution, and operational risk management across customers, suppliers, workforce teams, and commercialpartnerships. Its system uses AI-driven analysis to identify relationship friction, monitor delivery performance, and support structured resolution processes. Resolutiion also provides commercial intelligence tools, reporting, and collaboration features for enterprise delivery and governance management.
  • Auron Solutions — Discover Auron Solutions' cutting-edge technology designed to safeguard critical infrastructure and people from drone swarms with intelligent, non-jamming RF control.
  • Ardent Process Technologies — Proven, practical solutions for industrial point-source carbon capture and other challenging chemical separations.
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Threshold
VC Fund · Menlo Park, California, United States · 22 investments in United States 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: 541
  • Round size: Series A $2.5M–$25M; Series B $5M–$65M; Series C $5M–$75M
  • Lead/follow: 25% lead, 75% follow
  • Last fund: Likely still investing — raised $450M in 2022

Portfolio highlights

  • Sequen — Sequen is user behavior by design.
  • Ellis — Ellis connects and reconciles portfolio, fund, and investor data across the systems you already use. Every number traceable. Run every fund from one trusted view.
  • SpaceX — SpaceX designs, manufactures and launches advanced rockets and spacecraft.
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Blue Bear Capital
VC Fund · Beverly Hills, California, United States · 22 investments in United States Energy startups

Blue Bear Capital is a venture capital investor supporting companies that apply AI and data-driven technologies to energy infrastructures.

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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: 92
  • Round size: Seed $1.5M–$7.3M; Series A $5.3M–$16M; Series B $5.6M–$34M
  • Lead/follow: 39% lead, 61% follow
  • Last fund: Likely actively investing — fresh fund, raised $160M in 2024

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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Andreessen Horowitz
VC Fund · Menlo Park, California, United States · 22 investments in United States Energy startups

Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology.

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Investment focus

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

Investor stats

  • Total investments: 2069
  • Round size: Seed $1.6M–$16M; Series A $9M–$55M; Series B $17M–$112M
  • Lead/follow: 49% lead, 51% follow
  • Last fund: Likely actively investing — fresh fund, raised $1.2B in 2026

Portfolio highlights

  • Radiant — Clean. Portable. Safe. Energy
  • Supersonik — Supersonik provides an AI-powered platform for SaaS companies to offer 24/7 interactive product demos, enabling prospects to explore and personalize demos instantly without scheduling or manual intervention.
  • Socket — Socket fights vulnerabilities and provides visibility, defense-in-depth, and proactive supply chain protection for JavaScript, Python, and Go dependencies.
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Houston Angel Network
VC Fund · Houston, Texas, United States · 22 investments in United States Energy startups

The Houston Angel Network (HAN) is a nonprofit organization dedicated to developing the innovation ecosystem in Houston, Texas by supporting founders and startups with financial resources and mentorship.

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Investment focus

  • Industry: Health Care, Software, Medical
  • Stage:Seed, Series A, Venture - Series Unknown
  • Geography: United States, Canada, France

Investor stats

  • Total investments: 134
  • Round size: Seed $25k–$1.6M; Series A $240k–$7M; Venture - Series Unknown $50k–$5M
  • Lead/follow: 8% lead, 92% follow
  • Last fund: May invest from a new fund soon — raised $5M in 2012

Portfolio highlights

  • Monster Mosquito — Monster Mosquito focuses on providing all-natural mosquito sentry repellent systems for its clients. The company also develops a biodegradable compound insecticide to exterminate biting insects.Monster Mosquito uses mosquito mist systems, which contains pyrethrum, a natural mosquito killer made from chrysanthemums. The company was founded in 2002by Kemper Modlin and Leo Niekerk.It is based in Spring, Texas.
  • Davidson Instruments — Davidson has designed and developed innovative temperature-tolerant pressure measurement instrumentation that is rugged, immune to electromagnetic interference, and intrinsically-safe based on patented fiber optic sensing technology. The instrumentation has been proven through numerous installations with over one million hours of time inservice. Davidson's products include instruments for making high resolution static pressure measurements and others for making high speed dynamic pressure measurements.
  • OrthoAccel Technologies — Straighten Your Smile Faster With AcceleDent SoftPulse Technology. Simple To Use, Allowing Braces To Feel More Comfortable With Only 20 Minutes Daily Use!
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Asymmetry Ventures
VC Fund · San Francisco, California, United States · 22 investments in United States Energy startups

Asymmetry Ventures invests in scalable early-stage companies with exceptional defensibility.

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Investment focus

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

Investor stats

  • Total investments: 298
  • Round size: Seed $500k–$5M; Pre-Seed $125k–$2.4M; Series A $2M–$21M
  • Lead/follow: 2% lead, 98% follow

Portfolio highlights

  • Enlightra — Extreme-bandwidth data transmission enabled by light
  • Persist AI — Persist AI develops PLGA microspheres for long-acting injectable formulations 50% faster using automation and AI.
  • Coreshell Technologies — Battery Capacity Unlocked
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Climate Pledge Fund
VC Fund · Seattle, Washington, United States · 22 investments in United States 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: 59
  • Round size: Series A $11M–$80M; Series B $21M–$246M
  • Lead/follow: 29% lead, 71% 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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Ecosystem Integrity Fund
VC Fund · San Francisco, California, United States · 21 investments in United States Energy startups

The Ecosystem Integrity Fund (“EIF”) is a venture capital firm that invests in early-stage companies contributing to environmental sustainability. It seeks to demonstrate that there is no trade-off between having a positive impact and achieving outstanding financial returns. The movement toward environmental sustainability is making incrementalimprovements to the largest industries in the world. Over the next several decades, the economy will be transformed by this movement.Sustainability is fundamentally about making things better: more efficient, more functional, less toxic, less costly. This is the next phase of the Industrial Revolution.

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Investment focus

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

Investor stats

  • Total investments: 69
  • Round size: Series A $4M–$30M; Series B $5.5M–$45M
  • Lead/follow: 74% lead, 26% follow
  • Last fund: Likely actively investing — fresh fund, raised $225M in 2025

Portfolio highlights

  • Trashie — Just a 'small-town' recycling and rewards platform trying to make it in the big city.
  • ZeroAvia — ZeroAvia is producing the world's first practical zero emission aviation powertrain, initially targeting 20-seat airplanes to start replacing dirty jet fuel in regional transport
  • Battery Smart — India's largest battery swapping network for electric two and three wheelers. Pay-per-use battery-as-a-service via swap stations.
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BoxGroup
VC Fund · New York, New York, United States · 21 investments in United States Energy startups

BoxGroup is an early stage investment fund focused on technology companies. Contact Us: hello@boxgroup.com

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Investment focus

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

Investor stats

  • Total investments: 802
  • Round size: Seed $1.8M–$9.5M; Series A $6M–$32M; Series B $19M–$90M
  • Lead/follow: 5% lead, 95% follow
  • Last fund: Likely actively investing — fresh fund, raised $275M in 2025

Portfolio highlights

  • Vial — Next generation pharma company powered by computationally designed therapeutics and automated trials
  • Clay — Clay's spreadsheet helps you find, enrich and act on people and company data from any source - without a line of code. Get started for free, today.
  • Sora — Connect HR tools, automate tasks, and deliver great employee experiences
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E8 Angels
VC Fund · Seattle, Washington, United States · 21 investments in United States Energy startups

Element 8 is an investment company that provides capital, guidance, and networking opportunities to early stage cleantech companies.

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Investment focus

  • Industry: Renewable Energy, Information Technology, Energy
  • Stage:Seed, Series A, Series B
  • Geography: United States, Canada

Investor stats

  • Total investments: 33
  • Round size: Seed $1M–$2.8M; Series A $195k–$6.8M; Series B $3.3M–$21M
  • Lead/follow: 15% lead, 85% follow

Portfolio highlights

  • OpConnect — Advanced Charging Hardware Built for Reliability
  • 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.
  • Imperium Technologies — Revolutionize steam system maintenance with InteliTrap and SteamView. Reduce energy loss, prevent trap failures and gain 24/7 visibility into your steam network. Built for maintenance teams in commercial and industrial facilities.
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Massachusetts Clean Energy Center
VC Fund · Boston, Massachusetts, United States · 21 investments in United States Energy startups

The Massachusetts Clean Energy Center (MassCEC) is dedicated to accelerating the success of clean energy development and implementation—while creating high-quality jobs and long-term economic growth in Massachusetts. MassCEC is the first state agency in the nation dedicated solely to facilitating the development of the clean energy industry. We areled by people who bring knowledge, experience and an entrepreneurial attitude to help clean energy companies take full advantage of all the state’s unique assets, to help accelerate the development of renewable energy generation projects, and to help develop a workforce that is ready to roll up its sleeves to ensure Massachusetts’ place as a national and global clean energy hub.

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Investment focus

  • Industry: Energy, Renewable Energy, Manufacturing
  • Stage:Grant, Seed, Series A
  • Geography: United States, United Kingdom, Italy

Investor stats

  • Total investments: 279
  • Round size: Seed $1.7M–$10M; Grant $65k–$403k; Series A $1.2M–$10M
  • Lead/follow: 80% lead, 20% follow

Portfolio highlights

  • HKG Energy — HKG Energy is a material science and nanotechnology company founded by a team of Harvard scientists and battery industry veterans. Our proprietary Terra Silicon solutions increase energy density by 80% and reduce costs by 40% in lithium-ion, sodium-ion, and solid-state battery cells for the power tools, consumer electronics, robotics, electricvehicle, and aviation industries.Connect with us at contact@hkgenergy.com to learn more and discuss your battery development requirements.
  • Teragen Energy — Teragen Energy develops an energy technology platform based on advanced regenerative solid oxide fuel cells that provide both power generation and energy storage in a single system. The company’s systems generate electricity from external fuels such as natural gas or hydrogen without combustion and can operate in reverse to store power as hydrogen.Teragen designs modular systems that can be scaled from megawatt-scale installations for data centers to deployments for microgrids, renewable projects, and utilities. Its technology is intended to help operators manage variable renewable output, ride through outages, and address daily capacity needs using one device. Teragen focuses on applications including AI and cloud data centers, manufacturing and cold storage facilities, remote communities, and electric grid infrastructure. The platform is positioned to replace separate diesel generators and battery systems by combining fuel-flexible generation and low-cost storage in a compact footprint.
  • Worcester Polytechnic Institute — WPI has a lot to offer - extraordinary students, world-renowned faculty members at the top of their fields, state-of-the-art research facilities, and a community teeming with activity. You have a lot to offer too - you're ambitious, you want to be challenged, you want to succeed, and you want to make a difference in the world. You know whereyou want to go; WPI can help you get there.
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Connecticut Innovations
VC Fund · Rocky Hill, Connecticut, United States · 20 investments in United States Energy startups

At Connecticut Innovations, we see venture capital the way you see your business. Like no one else. We invest in innovative biotech, IT, and other industries.

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Investment focus

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

Investor stats

  • Total investments: 297
  • Round size: Seed $150k–$5.3M; Series A $2.1M–$25M
  • Lead/follow: 31% lead, 69% follow
  • Last fund: Likely still investing — raised $50M in 2023

Portfolio highlights

  • CyVek — CyVek, Inc. engages in the development of a platform technology for measuring analytes in biological samples. The company was incorporated in 2008 and is based in Wallingford, Connecticut.
  • eBrevia — Analyze contracts at scale, extract key data, and identify risk with eBrevia. Draft and redline agreements in Microsoft Word with DraftPro.
  • Axerion Therapeutics — Axerion Therapeutics, Inc. is a private Connecticut-based biotechnology company focused on developing innovative therapeutics for neurological diseases and injuries with significant unmet medical need, including Alzheimer’s disease and spinal cord injury.Axerion was established in New Haven to develop and commercialize intellectual propertylicensed from Dr. Stephen Strittmatter’s laboratory at Yale University. Axerion’s proprietary technology platforms include blockers of ß-amyloid (Aß) oligomers binding to Prion Proteins (PrP) on the cell surface of neurons as a novel therapeutic target for Alzheimer’s disease and Nogo Receptor decoy protein for recovery of neurological function in spinal cord injury and other neurological diseases.
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Flybridge
VC Fund · Boston, Massachusetts, United States · 20 investments in United States Energy startups

New York and Boston Based Early-Stage Venture Capital Firm Backing Seed Stage AI Companies. Focused on AI Enablement, Developer Platforms, Agentic Business Applications, and Native AI for Human Ingenuity

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Investment focus

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

Investor stats

  • Total investments: 917
  • Round size: Seed $1M–$7M; Series A $4.7M–$22M; Series B $3.4M–$35M
  • Lead/follow: 11% lead, 89% follow
  • Last fund: Likely actively investing — fresh fund, raised $100M in 2025

Portfolio highlights

  • BoobyBiome — BoobyBiome harnesses breast milk microbiome science to develop products to improve infant health
  • Restorando — Restorando is an operator of an online restaurant reservation platform used to improve dining out experiences. Its platform helps restaurants to develop new sales channels to promote available tables and increase revenue that enables consumers to efficiently make reservations online.Restorando was established in 2011 and is headquartered inBuenos Aires, Argentina.
  • Dragon Innovation — We help companies who are launching complex products to strategize and execute their manufacturing from prototype through ongoing production
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General Catalyst
VC Fund · Cambridge, Massachusetts, United States · 20 investments in United States Energy startups

Investing in powerful, positive change that endures

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Investment focus

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

Investor stats

  • Total investments: 2255
  • Round size: Seed $1.7M–$18M; Series A $6.7M–$75M; Series B $14M–$123M
  • Lead/follow: 46% lead, 54% follow
  • Last fund: Likely actively investing — fund raised in 2026

Portfolio highlights

  • Envoy Global — 25 years. 180+ countries. 2,000+ corporate clients. Envoy combines legal expertise and technology to simplify global immigration management.
  • TaleMonster Games — TaleMonster is a multinational mobile game firm that genuinely wants to provide millions of gamers experiences they won't soon forget. By putting our passion at the center of everything we make, we hope to reinvent what casual in mobile gaming means.
  • Ares Interactive, Inc. — We build player-loved games. Player-first. Built to last.
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Union Square Ventures
VC Fund · New York, New York, United States · 20 investments in United States Energy startups

Union Square Ventures is a venture capital firm based in New York City.

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Investment focus

  • Industry: Software, Financial Services, FinTech
  • Stage:Series A, Series B, Seed
  • Geography: United States, United Kingdom, Germany

Investor stats

  • Total investments: 523
  • Round size: Seed $2M–$12M; Series A $3.3M–$24M; Series B $6M–$45M
  • Lead/follow: 44% lead, 56% follow
  • Last fund: Likely actively investing — fund raised in 2026

Portfolio highlights

  • Tandems — Tandems enhances the way financial advice is delivered by equipping advisors, bankers, and agents with data-driven insights and personalized recommendations. Tandems focuses on improving institutional operations through automation and intelligent decision-support tools that streamline workflows and client engagement. The company’s technology isdesigned to augment human expertise, allowing financial professionals to allocate more time to strategic guidance and relationship building.
  • Generalist AI — At Generalist, we are on a mission to build general intelligence for the physical world.
  • Odyssey — Discover how Odyssey Energy Solutions unblocks bottlenecks in DRE project development. Access diverse financing, procure equipment efficiently, and remotely monitor system performance. Join over 2000 renewable energy companies that use Odyssey to scale. Get in touch today.
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The Engine
VC Fund · Cambridge, Massachusetts, United States · 20 investments in United States 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: 90
  • Round size: Seed $2M–$11M; Series A $5.8M–$80M; Series B $16M–$150M
  • Lead/follow: 33% lead, 67% 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 — RISE Robotics is a technology company that develops fluid-free motion control systems for heavy machinery. The company makes the electrification, teleoperation, and automation of heavy machinery economically viable using its hydraulic replacement technology called Beltdraulic. It is a belt-and-pulley-based linear actuation technology thatreplicates—and in some cases surpasses—the force and precision of hydraulic systems, without using oil. This innovation enables machines to operate faster, more efficiently, and with lower emissions while reducing operational costs.RISE Robotics also offers design and implementation support, working closely with OEMs, Tier 1 suppliers, and the U.S. Department of Defense to integrate Beltdraulic solutions into existing systems. Its mission emphasizes boosting machine productivity, reducing maintenance needs, and promoting environmental sustainability through cutting-edge actuation technology.
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RockPort Capital
VC Fund · Boston, Massachusetts, United States · 19 investments in United States Energy startups

RockPort Capital is a multi-stage venture capital firm that invests in the areas of alternative and traditional energy, mobility, and sustainability. For more than a decade RockPort has partnered with entrepreneurs to foster growth and create value in a broad range of industrial and consumer facing companies whose technologies and products provideinnovative solutions to significant worldwide markets. RockPort has a collaborative approach to investing, deep domain expertise, and insights into all aspects of energy and cleantech. With offices in Boston and Menlo Park, RockPort is globally recognized as being among the largest and most established energy-focused venture capital firms.

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Investment focus

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

Investor stats

  • Total investments: 103
  • Round size: Series A $4M–$14M; Series B $6.5M–$30M; Series C $10M–$32M
  • Lead/follow: 22% lead, 78% follow
  • Last fund: May invest from a new fund soon — raised $450M in 2008

Portfolio highlights

  • Qnovo — Trusted worldwide to power the products that power your life.
  • NeoPhotonics — NeoPhotonics design and manufacture advanced hybrid photonic integrated optoelectronic devices for ultra-fast communications networks, including optical components
  • NewLeaf Symbiotics — NewLeaf Symbiotics is a biological technology provider. As the pioneer and undisputed global leader of PPFMs, or Pink-Pigmented Facultative Methylotrophs, NewLeaf applies science-led, data-backed and performance-driven principles to set the gold standard in biologicals.
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Wireframe Ventures
VC Fund · Mill Valley, California, United States · 18 investments in United States Energy startups

Seed venture capital for technology founders driven by a mission to build a healthier and more sustainable future.

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Investment focus

  • Industry: Biotechnology, Software, SaaS
  • Stage:Seed, Series A, Pre-Seed
  • Geography: United States, United Kingdom

Investor stats

  • Total investments: 59
  • Round size: Seed $2.3M–$11M; Pre-Seed $120k–$5.5M; Series A $8.5M–$51M
  • Lead/follow: 29% lead, 71% follow

Portfolio highlights

  • Great Sky — A new class of AI hardware from first principles. Photonics, superconductors, and brain-inspired architecture for compute beyond silicon.
  • Sora Fuel — Sora Fuel makes jet fuel from just air, water, and renewable energy. Sora Fuel combine carbon capture and utilization into a single process, dramatically reducing the amount of energy required to produce SAF, enabling a truly affordable, carbon-negative drop-in solution.
  • Cocoon — Low carbon construction materials for the builders of tomorrow.
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Energy VC funding in United States at a glance

Stats across 15k deals from 8.6k investors.

8.6k
investors
in United States Energy startups
15k
deals
in United States Energy startups
$4.8M
median round
in United States Energy startups
48%
lead investors
lead at least one round
20%
Grant
most common funding stage

Access all 8603 VC funds in United States Energy startups.

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