Typical Series A round size for climate / energy startups in the US
Based on 33 Form D filings by United States climate / energy issuers at Series A stage, filed Nov 2024 – Sep 2026. Updated monthly. Change any segment to compare.
The numbers
- Median Series A raise: $11.9M
- Middle half of rounds: $5.3M – $17.9M
- Filings in sample: 33
- Rounds under $1M: 3%
- Rounds over $5M: 76%
- Updated Sep 2026
Read this number carefully
Form D undercounts small SAFE rounds and rounds that rely on other exemptions. Treat the median as a ceiling for "typical", not a target.