Lowercarbon Capital Climate Portfolio 2026

3 Climate companies backed by Lowercarbon Capital, including Electra, Cloover, Gridware — with the co-investors on each cap table.

Lowercarbon Capital — Climate accounts for 23 tracked companies with verified cap-table data, 23 of which disclose round sizes totalling $6.7B. The median disclosed raise is $131M, and the largest is Commonwealth Fusion at $3B, ahead of Solugen ($640M) and Zap Energy ($448M).

The names that recur most often on these portfolio cap tables are Lowercarbon Capital (23 companies), Breakthrough Energy Ventures (7 companies), Prelude Ventures (7 companies), Gigascale Capital (3 companies), Emerson Collective (2 companies), Refactor Capital (2 companies). By latest disclosed round, the market skews Series A (9), Series B (6), Series D (2), Series C (2).

Best funded Lowercarbon Capital — Climate companies

  1. Commonwealth Fusion — $3B (latest: Series B)
  2. Solugen — $640M (latest: Series D)
  3. Zap Energy — $448M (latest: Series D)
  4. Lilac Solutions — $300M (latest: Series B)
  5. Watershed — $239M (latest: Series C)
  6. Heirloom — $203M (latest: Series B)
  7. Mombak — $200M (latest: Series A)
  8. Sublime Systems — $200M (latest: Series A)
  9. Xcimer Energy — $200M (latest: Series A)
  10. Mosa Meat — $176M (latest: Series A)
  11. Loam Bio — $150M (latest: Series B)
  12. Cloover — $131M (latest: Series A)
  13. Charm Industrial — $126M (latest: Series B)
  14. Mill — $100M
  15. Fuse Energy — $100M (latest: Seed)

Lowercarbon Capital — related firms and companies (46)

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•By Alejandro Cremades