Funded Cleantech startups in California
Every company below filed a Form D with the SEC from a California address. Amounts are as reported on the filing, not estimates.
Updated Jul 17, 2026
- Companies
- 13
- Total raised
- $469.7M
- Filings
- 17
- Median round
- $7.1M
- Cities
- 9
CompanyCityLast filingLatest round
Sila NanotechnologiesBattery materials company that makes a silicon-based anode…
Alameda
Jul 17, 2026
$309.6M
CopperCopper (legally Channing St
Berkeley
Jul 15, 2026
$9.8M
NovaSolixDevelops rectenna-based solar devices that convert sunlight to…
Newark
Jun 28, 2026
$125K
CapturaPasadena, California climate-technology company…
Pasadena
Jun 18, 2026
$53.5M
Lilac SolutionsOakland, California company founded in 2016 that develops…
Oakland
Jun 12, 2026
$34.4M
Kora PowerRancho Cordova, California company that builds a grid-tied…
Rancho Cordova
Mar 25, 2026
$5.3M
CarbonDropCarbon dioxide removal company developing molecular tools for…
Palo Alto
Mar 19, 2026
$19.6M
Next TFXDevelops ultra-high-pressure reverse osmosis (UHPRO) membranes…
Los Angeles
Mar 5, 2026
$1.3M
CruxeonPrivate research and development company focused on creating…
Stockton
Dec 4, 2025
N/A
Liitto TechnologyHeadquartered in Palo Alto, California, focuses on pioneering…
Palo Alto
Mar 27, 2025
$4.7M
MoteInnovative climate technology company focused on transforming…
Los Angeles
Feb 3, 2025
$13.1M
Topanga.ioTopanga.io is a pioneering technology company dedicated to…
Los Angeles
Jan 27, 2025
$7.7M
MiticoInnovative technology company focused on carbon capture…
Pasadena
Dec 23, 2024
$6.4M
All 13 companies · most recent filing first
Most recent filings
13All 13 companies · most recent filing first