Mazama Energy Series B: $135M

Sep 16, 2026Public sources — Collected from public sources, not yet cross-checked.

Mazama Energy raised $135 million in a series b round led by Centaurus Capital and Doerr Capital, announced Sept. 16.

Facts

Company: Mazama Energy
Amount: $135 million
Currency: USD
Stage: Series B
Announced: Sep 16, 2026

Investors

Led by: Centaurus Capital Doerr Capital
Participants: ConocoPhillips Shell Ventures Khosla Ventures Gates Frontier SiteGround Capital H. Barton Asset Management Jeffrey and Marieke Rothschild Foundation

Use of funds

Develop horizontal wells in superhot rocks capable of generating 15 megawatts of electricity per well.

As stated by the company.

Sources

1.Khosla-backed Mazama Energy just raised $135M to drill deeper into superhot-rock geothermal — TechCrunch Startups, Sep 18, 2026

Public sources — Collected from public sources, not yet cross-checked.Last verified Oct 15, 2026