Lowercarbon Capital is a climate-focused venture capital firm founded by Chris and Crystal Sacca that backs companies slashing CO2 emissions, removing carbon from the atmosphere, and building solutions across energy, advanced manufacturing, and climate resilience. The firm invests from the earliest stages and manages over $2 billion in assets.
41% of their portfolio is in Climate & Energy. Average disclosed round size is $88.0M (across 206 rounds with reported amounts).
Portfolio
152
Fund Size
—
Top Stage
Series A
Last 12 Mo
22
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
236 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Rainmaker | Series B | $100M | Sep 2026 |
 Senra Systems | Series B | $65M | Jul 2026 |
| SSenra | Series B | $65M | Jul 2026 |
 THEA | Series B | $100M | May 2026 |
 Panthalassa | Series B | $140M | May 2026 |
 Arc Boat Company | Series C | $50M | Mar 2026 |
 Zeno Power | Series A | $25M | Mar 2026 |
 Avalanche Energy | Series A | $29M | Feb 2026 |
 Avalanche | Unknown | $29M | Feb 2026 |
 Zanskar | Series C | $115M | Jan 2026 |
 Cloover | Series A | $22M | Jan 2026 |
 Zanskar | Series C | $115M | Jan 2026 |
 Zanskar | Series C | $115M | Jan 2026 |
 Zanskar | Series B | $115M | Jan 2026 |
 Ulysses | Series A | $38M | Jan 2026 |
| Panthalassa | Series B | $140M | Jan 2026 |
 Solar Square | Series C | $53M | Jan 2026 |
| AAtana Elements | Seed | $27.5M | Jan 2026 |
| SSenra | Series B | $65M | Jan 2026 |
| Arc Boat Company | Series C | $50M | Jan 2026 |
 Thea Energy | Series B | $100M | Jan 2026 |
| Senra Systems | Series B | $65M | Jan 2026 |
 Zeno | Seed | $25M | Jan 2026 |
 Fuse Energy | Series C | $70M | Dec 2025 |
 Quilt | Series B | $20M | Dec 2025 |
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Top Co-Investors
Breakthrough Energy Ventures43 shared
Y Combinator29 shared
MCJ21 shared
Founders Fund20 shared
Valor Equity Partners17 shared
Toyota Ventures17 shared
Collaborative Fund13 shared
Prelude Ventures13 shared
Eclipse12 shared
Fifty Years12 shared
Starlight Ventures12 shared
Safar Partners11 shared
Future Positive Capital11 shared
Congruent Ventures11 shared
Emerson Collective11 shared
Andreessen Horowitz11 shared
StepStone Group10 shared
Gigascale Capital10 shared
Ribbit Capital9 shared
Union Square Ventures9 shared
Last updated: 7 October 2026