Company lists · Data refreshed September 2026

Top 25 Green energy companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 22,367 companies tracked

RevenueBase identified 22,367 company matches for green energy companies worldwide as of September 2026 and tracks 818,622 professional contacts across them, including 251,418 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for green energy 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 21, 2026. Country and city lists for green energy 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 21, 2026 How this list was built

22,367Companies

818,622Contacts tracked

251,418Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest green energy companies worldwide

Ranked by team size

Top 25 of 22,367 company matches for green energy companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Siemens Energy	Exact match	Munich, GermanyHQ recorded Sep 21, 2026	10001+	46,587 contacts →
	Exact match “Siemens Energy is one of the world’s leading energy technology companies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	EDF	Exact match	Paris, FranceHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
3	GE Vernova	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	10001+	29,528 contacts →
	Exact match “GE Vernova is a purpose-built energy technology company on a mission to electrify to thrive and decarbonize the world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Vestas	Exact match	Aarhus, DenmarkHQ recorded Sep 21, 2026	10001+	27,085 contacts →
	Exact match “Vestas is the energy industry’s global partner on sustainable energy solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Acciona	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	10001+	27,028 contacts →
	Exact match “ACCIONA champions a different way of doing business: Business as Unusual, delivering benefits far beyond the corporate realm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Siemens Gamesa	Exact match	Zamudio, SpainHQ recorded Sep 21, 2026	10001+	18,693 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 · Sep 21, 2026 · View company records in RevenueBase
7	ENGIE	Exact match	Paris, FranceHQ recorded Sep 21, 2026	10001+	15,504 contacts →
	Exact match “What if your next career adventure started with ENGIE?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Subsea7	Exact match	London, United KingdomHQ recorded Sep 21, 2026	10001+	12,645 contacts →
	Exact match “Subsea7 makes offshore energy transition possible through the continuous evolution of lower-carbon oil and gas and by enabling the growth of renewables and emerging energy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	RWE	Exact match	Essen, GermanyHQ recorded Sep 21, 2026	10001+	11,181 contacts →
	Exact match “RWE is leading the way to a modern energy world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Carrier Hvac	Exact match	United StatesHQ recorded Sep 21, 2026	10001+	10,099 contacts →
	Exact match “Carrier is a global leader in intelligent climate and energy solutions, pioneering sustainable innovations in climate technologies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Statoil	Exact match	Stavanger, NorwayHQ recorded Sep 21, 2026	10001+	9,977 contacts →
	Exact match “Statoil was founded on the idea that industrial development undertaken by skillful people should create value for society.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Constellation	Exact match	Baltimore, MD, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
13	DTE Energy	Exact match	Detroit, MI, United StatesHQ recorded Sep 21, 2026	10001+	9,087 contacts →
	Exact match “DTE is one of the largest Fortune 500 diversified energy companies, proudly serving Michigan for over a century.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Sep 21, 2026	10001+	8,427 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	EDF UK	Exact match	London, United KingdomHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
16	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	10001+	7,974 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Ørsted	Exact match	Fredericia, United StatesHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
18	Suzlon Group	Exact match	Pune, IndiaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
19	Nordex Group	Exact match	Hamburg, GermanyHQ recorded Sep 21, 2026	10001+	6,768 contacts →
	Exact match “The development, manufacture, project management and servicing of wind turbines in the onshore segment has been the core competence and passion of the Nordex Group and its more…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	SSE PLC	Exact match	Perth, United KingdomHQ recorded Sep 21, 2026	10001+	6,505 contacts →
	Exact match “The UK & Ireland's clean energy champion.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	EDP	Exact match	Lisbon, PortugalHQ recorded Sep 21, 2026	10001+	6,435 contacts →
	Exact match “Our story began 50 years ago.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Alfanar	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
23	Enel Green Power	Exact match	Roma, ItalyHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
24	GALP	Exact match	Alcântara, PortugalHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
25	ATVOS	Exact match	São Paulo, BrazilHQ recorded Sep 21, 2026	10001+	4,611 contacts →
	Exact match “Estamos juntos pelo propósito de liderar a transição energético para mover o mundo e transformar vidas.” Recorded in the RevenueBase company graph · Sep 21, 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 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 22,367 green energy companies worldwide

See the full list, filter by size, metro and specialty, and access 251,418 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Green energy companies worldwide at a glance

As of Sep 21, 2026

30.7%Verified-email coverage

36.6Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

10,016

11-50

8,096

51-200

2,684

201-500

783

501-1,000

314

1,001-5,000

253

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 companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “green energy 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 251,418 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 21, 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 companies by location

98 lists · largest first

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

How many green energy companies are there worldwide?

RevenueBase identified 22,367 company matches for green energy 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?

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

Which country has the most green energy companies?

The United States leads with 2,141 companies, followed by Brazil (1,682) and India (1,645). Every green energy companies list by country and city is linked on this page.

Which city has the most green energy companies?

London leads with 262 company records, followed by Madrid (177) and Sao Paulo (170).

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 251,418 professional contacts with verified work emails tracked across these 22,367 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 22,367 green energy companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.