Most Active Climate Investors in Houston 2026

10 firms writing Climate checks in Houston, led by Chenel Capital, Collaborative Fund, DC Thomson — ranked by verified deal count with the companies behind.

Climate in Houston accounts for 6 tracked companies with verified cap-table data, 6 of which disclose round sizes totalling $1.8B. The median disclosed raise is $350M, and the largest is Solugen at $640M, ahead of Fervo Energy ($462M) and Axiom Space ($350M).

The names that recur most often on these climate cap tables are Refactor Capital (2 companies), Centaurus Capital (2 companies), GIC (1 company), Baillie Gifford (1 company), Temasek Holdings (1 company), BlackRock (1 company). By latest disclosed round, the market skews Series B (2), Series D (1), Series E (1), Series C (1).

Best funded Climate in Houston companies

  1. Solugen — $640M (latest: Series D)
  2. Fervo Energy — $462M (latest: Series E)
  3. Axiom Space — $350M (latest: Series C)
  4. WattBridge — $265M (latest: Growth)
  5. MetOx Technologies — $40M (latest: Series B)
  6. SmartAC.com — $32M (latest: Series B)

Sector × city funding reports (20)

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