Mazama Energy raises $135M in Series B to advance super-hot-rock geothermal technology for powering AI data centers and large grid loads.
Amount Raised
$135 Million
Round Type
Series B
BendEnergyOil And GasRenewable EnergyBiomass EnergyInvestors
Description
Mazama Energy, backed by Khosla Ventures, closed an oversubscribed Series B funding round of $135 million. The capital will support development of horizontal wells in super-hot rocks capable of generating 15 megawatts per well. The company plans to begin generating electricity in 2026 from its Oregon site, which has been revised to have potential for 10 gigawatts of capacity. Enhanced geothermal technology is emerging as a promising solution for powering AI data centers with clean energy.
Quick answer
Mazama Energy raised $135 Million in a Series B round, dated September 18, 2026. Investors: Khosla Ventures. Mazama Energy is based in Bend, Oregon, United States.
- How much did Mazama Energy raise?
- Mazama Energy raised $135 Million in a Series B round on September 18, 2026.
- Who invested in Mazama Energy?
- Khosla Ventures is named as investors in this round.
- What does Mazama Energy do?
- Mazama Energy is a geothermal operator and development company dedicated to advancing technologies and methods for extracting heat from superhot rocks to generate utility-scale, carbon-free, baseload energy.
- Where is Mazama Energy based and how big is it?
- Mazama Energy is based in Bend, Oregon, United States. Fundz records about 32 employees.
- Who are the decision-makers at Mazama Energy?
- Fundz holds 2 contacts at Mazama Energy, including the Director, Opportunities Development. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Oil And Gas around the same time
Companies in the same sectors as Mazama Energy that raised within 45 days of this round, from Fundz verified event records.
- Emvolon and Montauk Renewables raised $22M (Series A) on October 27, 2026.
- TXNM Energy raised $400M (Debt Financing) on September 2, 2026.
- Fusion Fuel Green PLC raised $1.5M on August 7, 2026.
- Legence raised $10M on November 1, 2026.
- OGE Energy raised $750M (Post-IPO Equity) on October 28, 2026.
- Pascal raised $9.3M on October 21, 2026.
Who to call at Mazama Energy, and when
A new round usually means Mazama Energy is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Mazama Energy raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Mazama Energy, from your own LinkedIn network
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What this usually meansMazama Energy raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
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