Company lists · Data refreshed September 2026

Top 25 Sustainable power generation companies worldwide

Name: Sustainable power generation companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 12,514 companies tracked

RevenueBase identified 12,514 company matches for sustainable power generation companies worldwide as of September 2026 and tracks 567,727 professional contacts across them, including 171,456 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for sustainable power generation companies 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 September 22, 2026. Country and city lists for sustainable power generation companies 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 Sep 22, 2026 How this list was built

12,514Companies

567,727Contacts tracked

171,456Verified emails

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The 25 largest sustainable power generation companies worldwide

Ranked by team size

Top 25 of 12,514 company matches for sustainable power generation companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	EDF	Exact match	Paris, FranceHQ recorded Sep 22, 2026	10001+	44,842 contacts →
	Exact match “Our raison d'être is to build a net zero energy future with electricity and innovative solutions and services, to help save the planet and drive wellbeing and economic development.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Dominion Energy	Exact match	Richmond, VA, United StatesHQ recorded Sep 22, 2026	10001+	31,976 contacts →
	Exact match “Dominion Energy (NYSE: D), headquartered in Richmond, Va, provides regulated electricity service to 3.6 million homes and businesses in Virginia, North Carolina, and South…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Hydro Québec	Exact match	Montréal, QC, CanadaHQ recorded Sep 22, 2026	10001+	14,673 contacts →
	Exact match “Hydro-Québec produit, transporte et distribue de l'électricité.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	RWE	Exact match	Essen, GermanyHQ recorded Sep 22, 2026	10001+	11,181 contacts →
	Exact match “RWE is leading the way to a modern energy world.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Constellation	Exact match	Baltimore, MD, United StatesHQ recorded Sep 22, 2026	10001+	9,458 contacts →
	Exact match “Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Tata Power	Exact match	Mumbai, IndiaHQ recorded Sep 22, 2026	10001+	9,414 contacts →
	Exact match “Tata Power is one of India’s largest integrated power companies and together with its subsidiaries and jointly controlled entities, has an installed/managed capacity of 14,294 MW.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Ontario Power Generation	Exact match	Toronto, ON, CanadaHQ recorded Sep 22, 2026	5,001-10,000	8,955 contacts →
	Exact match “At Ontario Power Generation (OPG), our power is changing the world as we strive to electrify life in one generation.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	EDF UK	Exact match	London, United KingdomHQ recorded Sep 22, 2026	10001+	8,188 contacts →
	Exact match “EDF is leading the charge towards An Electric Britain to help make energy more affordable and sustainable.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Iberdrola	Exact match	Bilbao, SpainHQ recorded Sep 22, 2026	10001+	7,598 contacts →
	Exact match “With more than 180 years of history, Iberdrola is today a global energy leader, the leading wind power producer and one of the largest electricity companies in the world in terms…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Ørsted	Exact match	Fredericia, United StatesHQ recorded Sep 22, 2026	5,001-10,000	7,538 contacts →
	Exact match “Ørsted is the global leader in offshore wind power and is one of the largest renewable energy companies in the world.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Suzlon Group	Exact match	Pune, IndiaHQ recorded Sep 22, 2026	5,001-10,000	7,141 contacts →
	Exact match “Suzlon is a global wind-first, full-stack clean energy solutions conglomerate with businesses spanning RE Technology (Wind, Solar, Storage), RE Development Company, RE Asset…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	EDP	Exact match	Lisbon, PortugalHQ recorded Sep 22, 2026	10001+	6,435 contacts →
	Exact match “Our story began 50 years ago.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Alfanar	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 22, 2026	10001+	6,383 contacts →
	Exact match “alfanar builds efficient energy systems & solutions of the present and sets up infrastructures for a brighter future.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	PLN Indonesia Power	Exact match	South Jakarta, IndonesiaHQ recorded Sep 22, 2026	1,001-5,000	5,486 contacts →
	Exact match “PT PLN Indonesia Power, known as PLN-IP, is a sub-holding company of PT PLN (Persero) holding which is conducting electric power generation and other supporting businesses.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Enel Green Power	Exact match	Roma, ItalyHQ recorded Sep 22, 2026	5,001-10,000	5,251 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 · Sep 22, 2026 · View company records in RevenueBase
16	GALP	Exact match	Alcântara, PortugalHQ recorded Sep 22, 2026	5,001-10,000	4,960 contacts →
	Exact match “Galp is an energy company committed to the development of efficient solutions in its operations and in the integrated services it offers to customers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	RENEW	Exact match	Gurugram, IndiaHQ recorded Sep 22, 2026	1,001-5,000	4,340 contacts →
	Exact match “ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Statkraft	Exact match	Oslo, NorwayHQ recorded Sep 22, 2026	5,001-10,000	4,161 contacts →
	Exact match “Statkraft is a leading company in hydropower internationally and Europe’s largest generator of renewable energy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	Octopus Energy	Exact match	London, United KingdomHQ recorded Sep 22, 2026	1,001-5,000	3,989 contacts →
	Exact match “We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	RES	Exact match	Kings Langley, United KingdomHQ recorded Sep 22, 2026	1,001-5,000	3,721 contacts →
	Exact match “RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, green hydrogen, transmission, and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	IDEX	Exact match	Boulogne-billancourt, FranceHQ recorded Sep 22, 2026	5,001-10,000	3,353 contacts →
	Exact match “Fondé en France en 1963, le groupe IDEX, fort de près de 6 500 collaborateurs, développe, conçoit, finance, construit et exploite des infrastructures énergétiques locales et…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	Adani Green Energy LTD	Exact match	United StatesHQ recorded Sep 22, 2026	1,001-5,000	3,017 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 · Sep 22, 2026 · View company records in RevenueBase
23	JSW Energy LTD	Exact match	Mumbai, IndiaHQ recorded Sep 22, 2026	1,001-5,000	2,920 contacts →
	Exact match “JSW Energy Limited is amongst India’s leading private sector power producing companies that believes in the efficient utilisation of all available resources.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Sep 22, 2026	501-1,000	2,660 contacts →
	Exact match “Tata Power Renewable Energy Limited (TPREL) is one of India’s leading renewable energy companies, driving the transition towards a cleaner, more resilient and sustainable energy…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Greenko Group	Exact match	Hyderabad, IndiaHQ recorded Sep 22, 2026	1,001-5,000	2,578 contacts →
	Exact match “Greenko, is one of the World’s leading Energy Transition and Decarbonization solutions company, with an installed Renewable Energy capacity of ~7.5 GW across Wind, Solar and Hydro…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “sustainable power generation companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 12,514 sustainable power generation companies worldwide

See the full list, filter by size, metro and specialty, and access 171,456 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable power generation companies worldwide at a glance

As of Sep 22, 2026

30.2%Verified-email coverage

45.4Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

5,100

11-50

4,558

51-200

1,767

201-500

550

501-1,000

235

1,001-5,000

175

5,001-10,000

10001+

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 sustainable power generation companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “sustainable power generation companies” 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 171,456 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 September 22, 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.

Sustainable power generation companies by location

67 lists · largest first

Every Sustainable power generation companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “sustainable power generation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable power generation companies are there worldwide?

RevenueBase identified 12,514 company matches for sustainable power generation companies worldwide as of September 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?

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

Which country has the most sustainable power generation companies?

The United States leads with 1,566 companies, followed by Brazil (978) and India (955). Every sustainable power generation companies list by country and city is linked on this page.

Which city has the most sustainable power generation companies?

London leads with 181 company records, followed by Sao Paulo (123) and Madrid (117).

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 171,456 professional contacts with verified work emails tracked across these 12,514 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 September 22, 2026.

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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.