How many Geothermal Energy acquisitions have there been?

There are 17 recorded acquisitions in the Geothermal Energy sector spanning 2014-2026, totalling $18.26B in disclosed deal value.

Who are the biggest acquirers in Geothermal Energy?

The most active acquirers in Geothermal Energy include Constellation Energy, Climate Transition Development, Pioneer Point Partners.

What are the largest Geothermal Energy acquisitions ever?

The largest disclosed Geothermal Energy acquisitions include Constellation Energy's purchase of Calpine ($16.39B, 2025), Kohlberg Kravis Roberts & Co.'s purchase of Albioma ($1.67B, 2022), Ormat Technologies's purchase of U.S. Geothermal ($109.9M, 2018).

How many Geothermal Energy acquisitions have there been in the last 1 year?

There have been 4 recorded Geothermal Energy acquisitions in the last year.

What is the average Geothermal Energy deal size?

The average disclosed deal size in the Geothermal Energy sector is $4.56B.

What is the median Geothermal Energy deal size?

The median disclosed deal size in the Geothermal Energy sector is $893.75M.

Which year had the most Geothermal Energy acquisitions?

The most Geothermal Energy acquisitions in a single year were recorded in 2026, with 3 deals.

Geothermal Energy

Name: Geothermal Energy Companies, Acquisitions & Funding
Creator: Acquirezy
License: https://acquirezy.com/terms
Keywords: Geothermal Energy, acquisitions, funding, M&A, investors, companies

Companies, acquisitions, funding rounds and active investors across the Geothermal Energy sector.

Companies

1,589

Acquisitions

Total Funding

$25.44B

Funding Rounds

266

Active Investors

Geothermal Energy Acquisitions

17 results

Acquiree Name			Acquirer Name	Acquiree Industries	Acquiree Hq Country
VENTURE DRILLING EAST LLC	—	2026-05-14	Mascarene Partners	Construction Energy Geothermal Energy Industrial Infrastructure Mining Water	United States
Rendesco	—	2026-05-13	Pioneer Point Partners	Clean Energy Geothermal Energy	United Kingdom
Controlled Thermal Resources	—	2026-03-09	Plum Acquisition Corp IV	Energy Geothermal Energy Oil and Gas Renewable Energy	United States
Resman Energy Technology	—	2025-09-23	SLB	Energy Geothermal Energy Industrial Oil and Gas	Norway
SMP Energies	—	2025-06-20	Eurazeo	Geothermal Energy Renewable Energy	France

1–5 of 17Show

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Geothermal Energy Funding Rounds

266 results

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Organization Name	Funding Type			Lead Investor Names	Org Hq Country

1–5 of 266Show

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Top Geothermal Energy Investors

Technology Development Fund13 rounds
US Department of Energy5 rounds
Colorado Energy Office3 rounds
Callaghan Innovation3 rounds
Sustainable Development Technology Canada3 rounds
AcceliCITY powered by Leading Cities2 rounds
Third Derivative2 rounds
Spring Lane Capital2 rounds
OMV2 rounds
Breakthrough Energy Ventures2 rounds

Top Geothermal Energy Companies

Borobotics Quaise Energy Mitsubishi Corporation Gurmat Elektrik CeraPhi Energy Endurance Energy Infield Minerals Teichos Energy Land and Carbon Fervo Energy ZGEO Energy Orkuveitan

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M&A by year

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Datasets

Top Companies

Top Industries

Years (1990-2026)