Company lists · Data refreshed October 2026

Top 25 Green energy suppliers worldwide

Name: Green energy suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 37,811 companies tracked

RevenueBase identified 37,811 company matches for green energy suppliers worldwide as of October 2026 and tracks 806,919 professional contacts across them, including 230,020 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for green energy suppliers 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 green energy suppliers 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

37,811Companies

806,919Contacts tracked

230,020Verified emails

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The 25 largest green energy suppliers worldwide

Ranked by team size

Top 25 of 37,811 company matches for green energy suppliers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	EDF	Exact match	Paris, FranceHQ recorded Oct 13, 2026	10001+	46,771 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 · Oct 13, 2026 · View company records in RevenueBase
2	Siemens Gamesa	Exact match	Zamudio, SpainHQ recorded Oct 13, 2026	10001+	18,116 contacts →
	Exact match “Siemens Gamesa is a global technology leader in the renewable energy industry - specifically in the development, manufacturing, installation and maintenance of wind turbines.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	ENGIE	Exact match	Paris, FranceHQ recorded Oct 13, 2026	10001+	16,264 contacts →
	Exact match “What if your next career adventure started with ENGIE?” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	RWE	Exact match	Essen, GermanyHQ recorded Oct 13, 2026	10001+	11,410 contacts →
	Exact match “RWE is leading the way to a modern energy world.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Constellation	Exact match	Baltimore, MD, United StatesHQ recorded Oct 13, 2026	10001+	9,888 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 · Oct 13, 2026 · View company records in RevenueBase
6	British GAS	Exact match	Windsor, United KingdomHQ recorded Oct 13, 2026	10001+	9,535 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	Tata Power	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	10001+	9,453 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 · Oct 13, 2026 · View company records in RevenueBase
8	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 13, 2026	10001+	8,823 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Oct 13, 2026	10001+	7,991 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	Iberdrola	Exact match	Bilbao, SpainHQ recorded Oct 13, 2026	10001+	7,920 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 · Oct 13, 2026 · View company records in RevenueBase
11	Ørsted	Exact match	Fredericia, United StatesHQ recorded Oct 13, 2026	5,001-10,000	7,263 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 · Oct 13, 2026 · View company records in RevenueBase
12	Suzlon Group	Exact match	Pune, IndiaHQ recorded Oct 13, 2026	5,001-10,000	7,174 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 · Oct 13, 2026 · View company records in RevenueBase
13	EDP	Exact match	Lisbon, PortugalHQ recorded Oct 13, 2026	10001+	6,633 contacts →
	Exact match “Our story began 50 years ago.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14	Alfanar	Exact match	Riyadh, Saudi ArabiaHQ recorded Oct 13, 2026	10001+	6,606 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 · Oct 13, 2026 · View company records in RevenueBase
15	GALP	Exact match	Alcântara, PortugalHQ recorded Oct 13, 2026	5,001-10,000	5,171 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 · Oct 13, 2026 · View company records in RevenueBase
16	Centrica	Exact match	Windsor, United KingdomHQ recorded Oct 13, 2026	10001+	4,831 contacts →
	Exact match “Centrica is an international energy services and solutions company, founded on a 200-year heritage of serving customers in homes and businesses.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Enel Green Power	Exact match	Rome, ItalyHQ recorded Oct 13, 2026	5,001-10,000	4,769 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
18	RENEW	Exact match	Gurgaon, IndiaHQ recorded Oct 13, 2026	1,001-5,000	4,430 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 · Oct 13, 2026 · View company records in RevenueBase
19	ESB	Exact match	Dublin 2, IrelandHQ recorded Oct 13, 2026	5,001-10,000	4,382 contacts →
	Exact match “At ESB, we believe in a Brighter Future.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Octopus Energy	Exact match	London, United KingdomHQ recorded Oct 13, 2026	1,001-5,000	4,318 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 · Oct 13, 2026 · View company records in RevenueBase
21	Statkraft	Exact match	Oslo, NorwayHQ recorded Oct 13, 2026	5,001-10,000	4,137 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 · Oct 13, 2026 · View company records in RevenueBase
22	Generac	Exact match	Waukesha, WI, United StatesHQ recorded Oct 13, 2026	5,001-10,000	3,918 contacts →
	Exact match “Generac is the total energy solutions company powering a smarter world.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Ambit Energy	Exact match	Irving, TX, United StatesHQ recorded Oct 13, 2026	n/a	3,906 contacts →
	Exact match “Ambit Energy provides electricity, natural gas and solar services in numerous markets across the United States, primarily marketed through a direct sales channel of more than…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	RES	Exact match	Kings Langley, United KingdomHQ recorded Oct 13, 2026	1,001-5,000	3,875 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 · Oct 13, 2026 · View company records in RevenueBase
25	Luminous Power Technologies P LTD	Exact match	Gurgaon, IndiaHQ recorded Oct 13, 2026	5,001-10,000	3,788 contacts →
	Exact match “Powering Progress, Lighting Lives!” Recorded in the RevenueBase company graph · Oct 13, 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 “green energy suppliers”. 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 37,811 green energy suppliers worldwide

See the full list, filter by size, metro and specialty, and access 230,020 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green energy suppliers worldwide at a glance

As of Oct 13, 2026

28.5%Verified-email coverage

21.3Average contacts per company

11-50Median size (employees)

0.6%Largest-city concentration · Sao Paulo

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

17,524

11-50

13,972

51-200

4,181

201-500

1,121

501-1,000

381

1,001-5,000

290

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 green energy suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “green energy suppliers” 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 230,020 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.

Green energy suppliers by location

152 lists · largest first

Every Green energy suppliers 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 “green energy suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green energy suppliers are there worldwide?

RevenueBase identified 37,811 company matches for green energy suppliers 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?

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

Which country has the most green energy suppliers?

The United States leads with 4,026 companies, followed by Brazil (3,067) and India (2,791). Every green energy suppliers list by country and city is linked on this page.

Which city has the most green energy suppliers?

Sao Paulo leads with 242 company records, followed by Lahore (236) and Madrid (235).

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 230,020 professional contacts with verified work emails tracked across these 37,811 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.

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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.