Funded Energy startups in California
5 energy startups in California have filed a Form D with the SEC and together report $168M raised. Caban Systems has the largest latest round, at $122.7M. Amounts are as reported on the filing, not estimates.
Updated Sep 15, 2026
- Companies
- 5
- Total raised
- $168.0M
- Filings
- 6
- Median round
- $12.3M
- Cities
- 5
CompanyCityLast filingLatest round
Innoven EnergyLaser-driven fusion for power generation
Solana Beach
Sep 15, 2026
$18.1M
Proper VoltageBattery control software for swapping in new chemistries
Carlsbad
May 12, 2026
$6.5M
Green GridPower line monitoring sensors for wildfire detection
San Ramon
Mar 23, 2026
$200K
Exploration Technologies, Inc./DESurface geochemistry surveys for oil and gas exploration
San Diego
Feb 24, 2025
$1.9M
Caban SystemsBattery storage for off-grid telecom sites
Burlingame
Feb 21, 2025
$122.7M
All 5 companies · most recent filing first
Most recent filings
5All 5 companies · most recent filing first