Company lists · Data refreshed October 2026

Top 25 Geothermal energy investors worldwide

RevenueBase identified 882 company matches for geothermal energy investors worldwide as of October 2026 and tracks 32,560 professional contacts across them, including 8,671 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for geothermal energy investors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 2026. Country and city lists for geothermal energy investors follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 13, 2026 How this list was built
882Companies
32,560Contacts tracked
8,671Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest geothermal energy investors worldwide

Ranked by team size
Top 25 of 882 company matches for geothermal energy investors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRome, ItalyHQ recorded Oct 13, 20265,001-10,0004,769 contacts →

Exact match

“We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Oct 13, 20261,001-5,0002,637 contacts →

Exact match

“Adani Green Energy Limited (AGEL) is India’s largest renewable energy company playing a vital role in enabling the clean energy transition.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchNairobi, KenyaHQ recorded Oct 13, 20261,001-5,0002,112 contacts →

Exact match

“Kenya Electricity Generating Company PLC (KenGen) is the leading electric power generating company in East Africa.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 13, 20261,001-5,0002,110 contacts →

Exact match

“A business unit of Constellation (NASDAQ: CEG), Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with operations in…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchPasig City, PhilippinesHQ recorded Oct 13, 20261,001-5,0001,856 contacts →

Exact match

“The Energy Development Corporation (EDC) is a pioneer in generating 100% clean, renewable, and reliable power as an electricity supplier in the Philippines for over 40 years.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchGambir, IndonesiaHQ recorded Oct 13, 2026201-5001,420 contacts →

Exact match

“Indonesia Geothermal Company”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchReno, NV, United StatesHQ recorded Oct 13, 20261,001-5,0001,298 contacts →

Exact match

“With over five decades of experience, Ormat Technologies, Inc.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchSao Paulo, BrazilHQ recorded Oct 13, 2026501-1,0001,043 contacts →

Exact match

“Na CTG Brasil, trabalhamos por um único propósito: desenvolver o mundo com energia limpa em larga escala.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchJakarta Selatan, IndonesiaHQ recorded Oct 13, 2026201-500586 contacts →

Exact match

“PT Geo Dipa Energi (Persero) is a State-Owned Company specializing in Geothermal Energy”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchNoisy-le-grand, FranceHQ recorded Oct 13, 2026501-1,000485 contacts →

Exact match

“Pour une énergie propre et mieux utilisée Notre mission : fournir des solutions énergétiques performantes et économiques, tout en minimisant l'impact environnemental.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchMexicoHQ recorded Oct 13, 2026201-500461 contacts →

Exact match

“Constructora y Perforadora LATINA (“LATINA”) Es una empresa privada con mas de 60 años de experiencia en el sector de energía y actualmente es la principal empresa en…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchJakarta Selatan, IndonesiaHQ recorded Oct 13, 2026201-500301 contacts →

Exact match

“Supreme Energy Group of Companies (SEML/SERD/SERB), a growing Multinational Energy Companies with its core business on renewable energy Geothermal Power Plant.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchHouston, CA, United StatesHQ recorded Oct 13, 202651-200270 contacts →

Exact match

“Fervo Energy provides 24/7 carbon-free energy through the development of next-generation geothermal power.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchDes Moines, IA, United StatesHQ recorded Oct 13, 2026501-1,000231 contacts →

Exact match

“BHE Renewables delivers sustainable energy solutions for customers and communities by producing renewable energy for both the wholesale market and for customers under long-term…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchIstanbul, TürkiyeHQ recorded Oct 13, 202651-200213 contacts →

Exact match

“Fiba Renewables was established in 2007 as a subsidiary of Fiba Group, with the aim of developing renewable energy projects and establishing production facilities.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchKağıthane, TürkiyeHQ recorded Oct 13, 202651-200188 contacts →

Exact match

“Founded in with sustainability at its core, Polat Enerji is one of Türkiye’s leading energy companies.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Oct 13, 2026201-500188 contacts →

Exact match

“Enerjide kendi kendine yeten bir dünya için temiz enerji üretiyoruz, sürdürülebilirlik ilkeleri ve kalkınma amaçları doğrultusunda, sürekli gelişim odaklı çalışarak, etki…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchSilver Spring, MD, United StatesHQ recorded Oct 13, 202651-200168 contacts →

Exact match

“Competitive Power Ventures (CPV) has 25 years of unprecedented success in the development and operation of highly efficient and low emitting electric generation and renewable…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 13, 2026201-500167 contacts →

Exact match

“At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Oct 13, 202651-200165 contacts →

Exact match

“Depuis 2004, JP Energie Environnement développe, finance, construit et exploite des unités de production d’électricité d’origine renouvelables dans tous les domaines d’activités …”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchMadrid, SpainHQ recorded Oct 13, 202651-200163 contacts →

Exact match

“Matrix Renewables is a global renewable energy platform created and backed by global alternative asset manager TPG and its $32 billion impact-investing platform.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchUnited StatesHQ recorded Oct 13, 2026201-500152 contacts →

Exact match

“Aboitiz Power Corporation (AboitizPower, AP) is a leader in the Philippine Electric Power Industry with a portfolio of assets located across the country.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchCarolina, Puerto RicoHQ recorded Oct 13, 20265,001-10,000147 contacts →

Exact match

“Realizar proyectos de energía limpia y renovable en diversos países del mundo, mediante procesos productivos innovadores y rentables, alineados con la protección medioambiental y…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchMount Kisco, NY, United StatesHQ recorded Oct 13, 202651-200130 contacts →

Exact match

“Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchAnkara, TürkiyeHQ recorded Oct 13, 20261,001-5,000123 contacts →

Exact match

“Bilgi birikimini yatırıma ve tasarrufa dönüştürmek için çalışmalarını 1990 yılından bu yana sürdüren Doğan Jeotermal Group ülkemizin sahip olduğu jeotermal enerji kaynaklarını…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 882 geothermal energy investors worldwide

See the full list, filter by size, metro and specialty, and access 8,671 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Geothermal energy investors worldwide at a glance

As of Oct 13, 2026
26.6%Verified-email coverage
36.9Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · London
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
413
11-50
301
51-200
104
201-500
22
501-1,000
21
1,001-5,000
12
5,001-10,000
4
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for geothermal energy investors are linked below.
What qualifies
Company records worldwide whose business descriptions match “geothermal energy investors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 8,671 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 13, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Geothermal energy investors by location

7 lists · largest first

Every Geothermal energy investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “geothermal energy investors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal energy investors are there worldwide?

RevenueBase identified 882 company matches for geothermal energy investors worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Enel Green Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most geothermal energy investors?

The United States leads with 139 companies, followed by Germany (51) and Canada (44). Every geothermal energy investors list by country and city is linked on this page.

Which city has the most geothermal energy investors?

London leads with 19 company records, followed by Calgary (15) and Houston (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 8,671 professional contacts with verified work emails tracked across these 882 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.

Ready to reach these companies? Verified emails and direct dials for all 882 geothermal energy investors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.