# Mazama Energy funding rounds and investors

As of 14 Oct 2026, Mazama Energy has raised $135M across 1 verified round on record; latest: $135 million Series B led by Centaurus Capital, Doerr Capital and 1 other, announced 17 Sep 2026.

A geothermal energy developer specializing in superhot rock geothermal power

Website: https://mazamaenergy.com/  
Headquarters: Seattle, Washington, USA  
Page: https://fireround.dev/companies/mazamaenergy.com

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-09-17 | Series B | $135 million | Centaurus Capital, Doerr Capital, Khosla Ventures | ConocoPhillips, Gates Frontier, H. Barton Asset Management, Jeffrey and Marieke Rothschild Foundation, Shell Ventures, SiteGround Capital | [globenewswire.com](https://www.globenewswire.com/news-release/2026/09/17/3364060/0/en/mazama-energy-raises-135-million-to-scale-the-world-s-hottest-engineered-geothermal-system.html), [axios.com](https://www.axios.com/pro/climate-deals/2026/09/17/mazama-energy-superhot-geothermal), [techcrunch.com](https://techcrunch.com/2026/09/17/khosla-backed-mazama-energy-just-raised-135m-to-drill-deeper-into-super-hot-rock-geothermal) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.