Clean Energy Venture Group
VC Fund
Brookline, United States
Clean Energy Venture Group is an angel investment group that provides seed capital and management expertise to early stage clean energy companies. The group is comprised of seasoned operating executives with strong capabilities in the energy and environmental sectors. With each investment, they not only bring capital, but also the value of their experience and network to help companies achieve their goals. While their focus is in the Northeast United States, they have worked with companies throughout the country.
- Total investments:
- 74
- Last investment:
- Lead investor:
- 8%
- Fund size:
- $108M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Clean Energy Venture Group invests in
Stages Clean Energy Venture Group invests in
Countries Clean Energy Venture Group invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 13 contacts → | |||
Round size
- Seed
- $1M–$5.6M
- Series A
- $2M–$11M
- Convertible Note
- $630k–$2.5M
Investment Focus
Industry
- Energy 22 (30%)
- Renewable Energy 14 (19%)
- Manufacturing 12 (16%)
- Energy Efficiency 10 (14%)
- Clean Energy 7 (9%)
Stage
- Seed 20 (27%)
- Series A 20 (27%)
- Convertible Note 6 (8%)
- Series B 5 (7%)
- Funding Round 5 (7%)
Country
- United States 45 (61%)
- Canada 3 (4%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Cara Tobin
Venture Partner
|
Venture Partner | Total investments: 0 | Find email | |
Coleman Adams
Partner
|
Partner | Total investments: 0 | Find email | |
John Keane
Affiliates
|
Affiliates | Total investments: 0 | Find email | |
Mitch Tyson
Partner
|
Partner | Total investments: 0 | Find email | |
Ralph Earle III
Managing Director
|
Managing Director | Total investments: 1 | Find email | |
| See all 13 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Peelon is a biodegradable packaging solution that can triple the shelf life of fresh produce, addressing the issues of food waste and plastic pollution in the fresh produce supply chain. Our proprietary blend of natural materials creates a microclimate around the produce, preserving its freshness and quality for longer. This reduces food waste andthe need for frequent transportation and storage, resulting in a smaller carbon footprint. Peelon is also completely biodegradable and compostable, addressing the problem of plastic pollution. | $1M / Seed / Aug 20, 2025 | ||
| 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. | $10M / Seed / Apr 30, 2025 | ||
| Electrified Thermal Solutions replace fossil fuels with renewable heat in every furnace, turbine, boiler, and kiln to decarbonize industry.Electrified Thermal Solutions started at MIT in the noisy laboratory basement of the Department of Nuclear Science and Engineering. The goal was simple: start an energy revolution.Founded in 2021, thecompany is based in Medford, Massachusetts. | $19M / Dec 12, 2024 | ||
| PeakSyncer, a product of Zhong Xi Group, LLC, is an AI-powered cloud platform that offers a comprehensive solution for utilities aiming to optimize their energy management systems through advanced technology. The platform focuses on demand response programs, utilizing artificial intelligence to automate and streamline the management of peak energyloads. PeakSyncer has focused on creating cutting-edge solutions in cloud computing and AI integration. The company positions itself as a leader in the energy management sector, working on delivering reliable, user-friendly solutions that adapt to the evolving needs of energy grids. With dedicated support and 24/7 monitoring, PeakSyncer aims to empower utilities to modernize their operations and optimize resource usage effectively.With PeakSyncer, the company addresses a critical business need for seamless data synchronization across platforms such as ERP, CRM, and other essential business software. The platform’s key advantage is its ability to adapt to dynamic data patterns, learning from past syncs to continuously improve syncing accuracy and efficiency.PeakSyncer is designed to be scalable and easily integrates with existing utility infrastructure, ensuring a smooth implementation process. The platform not only helps utilities meet regulatory requirements but also supports them in creating a sustainable energy ecosystem by engaging customers in demand response initiatives, made possible by AI algorithms that analyze and anticipate potential data issues before they disrupt business processes. | $3.1M / Seed / Aug 12, 2024 | ||
| Peelon is a biodegradable packaging solution that can triple the shelf life of fresh produce, addressing the issues of food waste and plastic pollution in the fresh produce supply chain. Our proprietary blend of natural materials creates a microclimate around the produce, preserving its freshness and quality for longer. This reduces food waste andthe need for frequent transportation and storage, resulting in a smaller carbon footprint. Peelon is also completely biodegradable and compostable, addressing the problem of plastic pollution. | Seed / Jul 01, 2024 | ||
| Cala Systems designs, manufactures, and sells the world's first intelligent heat pump water heater. | $5.6M / Seed / Jan 10, 2024 | ||
| Carbon Upcycling converts industrial CO₂ emissions and byproducts into engineered low‑carbon cement materials, deploys modular capture and utilization systems at hard‑to‑decarbonize facilities, and supplies circular construction inputs that support supply chain resilience and emission reduction goals. | $26M / Series A / Jul 28, 2023 | ||
| A drone-based inspection and analytics company that's helping improve the energy efficiency of the built environment | $1.6M / Seed / Apr 19, 2023 | ||
| VoltServer develops innovative power distribution products based on the company's patented Digital Electricity technology. It is a venture-backed technology leader reinventing how electrical energy is distributed. VoltServer's patented Digital Electricity solutions deliver touch-safe electricity where, when, and how it is needed. DigitalElectricity can be delivered using an off-the-shelf data cable, at a significantly reduced cost, and with greater speed, power, distance, efficiency, intelligence, and flexibility, when compared to competing for electrical installations. VoltServer began shipping in early 2015 and is installed today powering 4G/LTE mobile services in many large sports stadiums, office towers, hotels, condominium, and medical buildings. | $17.5M / Series B / Apr 19, 2023 | ||
| Kuva Systems has developed an industrial IoT solution that continuously monitors and quantifies the intensity of methane and VOC emissions. Our infrared imaging system automatically detects and measures emissions and provides operators with an annotated video clip of the leak.Kuva Systems was founded in 2015 and headquartered in Cambridge,Massachusetts. | $11.3M / Series A / Jan 25, 2023 | ||
| See all 74 investments → | |||
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FAQ
What does Clean Energy Venture Group invest in?
Clean Energy Venture Group invests primarily in Energy, Renewable Energy and Manufacturing startups, most often at Seed and Series A stage. Most of the 74 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Clean Energy Venture Group invest in?
Clean Energy Venture Group typically joins rounds of $1M–$5.6M at Seed, $2M–$11M at Series A and $630k–$2.5M at Convertible Note. These are whole funding-round sizes, not Clean Energy Venture Group's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Clean Energy Venture Group took part in.
How do I contact Clean Energy Venture Group?
Public channels for Clean Energy Venture Group include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Clean Energy Venture Group?
The team at Clean Energy Venture Group includes Cara Tobin (Venture Partner), Coleman Adams (Partner) and John Keane (Affiliates), among 13 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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