Energy Capital Ventures
Chicago, Illinois, United StatesFounded 2020
Energy Capital Ventures (ECV) is the only early-stage venture capital fund solely dedicated to the energy expansion enabled by the innovation and resilience of the natural gas value chain (Green Molecules®). Founded in 2020 and based in Chicago, ECV closed its inaugural Fund I at $61 million in October 2022 to accelerate the natural gas industry's ESG transformation.
36% of their portfolio is in Climate & Energy. Deal activity decreased year-over-year (1 deal in the last 12 months vs 5 prior). Average disclosed round size is $40.8M (across 26 rounds with reported amounts).
Portfolio
24
Fund Size
$61M
Top Stage
Series A
Last 12 Mo
1
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
28 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| TTeragen Energy | Pre-Seed | $6M | Aug 2026 |
| TTeragen Energy | Pre-Seed | $6M | Jan 2026 |
 enaDyne | Seed | — | Sep 2025 |
 Rodatherm | Series A | $38M | Sep 2025 |
| RRodatherm Energy | Series A | $38M | Sep 2025 |
 Sapphire Technologies | Series C | $18M | Sep 2025 |
 Capture6 | Series A | $27.5M | Mar 2025 |
| Capture6 | Series A | $27.5M | Jan 2025 |
 Vertus Energy | Seed | — | Jun 2024 |
 Osmoses | Seed | $11M | Oct 2023 |
 Braya Renewable Fuels | Growth | $300M | Apr 2023 |
 Aromyx Corporation | Series A | $10M | Jan 2021 |
 Immensa | Series A | $7M | Jan 2021 |
 Sunnova | Growth | $300M | Mar 2016 |
 Ioxus | Series C | $21M | Apr 2014 |
| EEmefcy | Unknown | $4M | Jun 2011 |
| CCiris Energy | Series B | $23.9M | Jan 2011 |
 Czero | Series A | $18M | — |
 Furno | Seed | $6.5M | — |
| CCool Planet Energy Systems | Series D | $19.4M | — |
 Highwood Emissions Management | Seed | $3M | — |
| GGraphitic | Series A | $15M | — |
 Carbonquest | Unknown | $20M | — |
| GGlori Energy | Series C | $20M | — |
| Sapphire Technologies | Series B | $10M | — |
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Top Co-Investors
Endeavor3 shared
ConocoPhillips3 shared
Elemental Impact2 shared
Stonks2 shared
Amadeus Capital Partners2 shared
Equinor2 shared
Activate Venture Partners2 shared
Braemar Energy Ventures2 shared
TDK Ventures2 shared
Evok Innovations2 shared
MCJ2 shared
Toyota Ventures2 shared
Active Impact Investments2 shared
Shorooq Partners2 shared
Breakthrough Energy Ventures2 shared
The Engine2 shared
First Bridge Ventures1 shared
Antares Ventures1 shared
APEX Ventures1 shared
Last updated: 20 October 2026