Company lists · Data refreshed September 2026

Top 25 Alternative energy developers worldwide

Name: Alternative energy developers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 28,024 companies tracked

RevenueBase identified 28,024 company matches for alternative energy developers worldwide as of September 2026 and tracks 689,163 professional contacts across them, including 195,231 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for alternative energy developers 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 30, 2026. Country and city lists for alternative energy developers 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 30, 2026 How this list was built

28,024Companies

689,163Contacts tracked

195,231Verified emails

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The 25 largest alternative energy developers worldwide

Ranked by team size

Top 25 of 28,024 company matches for alternative energy developers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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 30, 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 30, 2026 · View company records in RevenueBase
2	Vestas	Exact match	Aarhus, DenmarkHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
3	Acciona	Exact match	Madrid, SpainHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
4	Siemens Gamesa	Exact match	Zamudio, SpainHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
5	RWE	Exact match	Essen, GermanyHQ recorded Sep 30, 2026	10001+	11,181 contacts →
	Exact match “RWE is leading the way to a modern energy world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Constellation	Exact match	Baltimore, MD, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
7	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Sep 30, 2026	10001+	7,974 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Ørsted	Exact match	Fredericia, United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
9	Suzlon Group	Exact match	Pune, IndiaHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
10	KENT	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 30, 2026	10001+	7,045 contacts →
	Exact match “We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	EDP	Exact match	Lisbon, PortugalHQ recorded Sep 30, 2026	10001+	6,435 contacts →
	Exact match “Our story began 50 years ago.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Alfanar	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
13	Enel Green Power	Exact match	Rome, ItalyHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
14	GALP	Exact match	Alcântara, PortugalHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
15	RENEW	Exact match	Gurgaon, IndiaHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
16	Octopus Energy	Exact match	London, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
17	RES	Exact match	Kings Langley, United KingdomHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
18	Luminous Power Technologies P LTD	Exact match	Gurgaon, IndiaHQ recorded Sep 30, 2026	5,001-10,000	3,713 contacts →
	Exact match “Powering Progress, Lighting Lives!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	IDEX	Exact match	Boulogne-billancourt, FranceHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
20	ENPAL	Exact match	Berlin, GermanyHQ recorded Sep 30, 2026	5,001-10,000	3,242 contacts →
	Exact match “Enpal is Europe's leading new energy company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Adani Green Energy LTD	Exact match	United StatesHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
22	FTI	Exact match	Menasha, WI, United StatesHQ recorded Sep 30, 2026	1,001-5,000	2,741 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
24	Greenko Group	Exact match	Hyderabad, IndiaHQ recorded Sep 30, 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 30, 2026 · View company records in RevenueBase
25	Invenergy	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	1,001-5,000	2,408 contacts →
	Exact match “Invenergy is North America’s largest privately held developer, owner, and operator of innovative, reliable power infrastructure.” Recorded in the RevenueBase company graph · Sep 30, 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 “alternative energy developers”. 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 28,024 alternative energy developers worldwide

See the full list, filter by size, metro and specialty, and access 195,231 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Alternative energy developers worldwide at a glance

As of Sep 30, 2026

28.3%Verified-email coverage

24.6Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

12,440

11-50

10,605

51-200

3,359

201-500

910

501-1,000

299

1,001-5,000

208

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 alternative energy developers are linked below.
What qualifies: Company records worldwide whose business descriptions match “alternative energy developers” 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 195,231 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 30, 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.

Alternative energy developers by location

142 lists · largest first

Every Alternative energy developers 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 “alternative energy developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many alternative energy developers are there worldwide?

RevenueBase identified 28,024 company matches for alternative energy developers 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 alternative energy developers?

The United States leads with 3,557 companies, followed by India (2,298) and Brazil (2,126). Every alternative energy developers list by country and city is linked on this page.

Which city has the most alternative energy developers?

London leads with 276 company records, followed by Madrid (181) and Lahore (171).

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 195,231 professional contacts with verified work emails tracked across these 28,024 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 30, 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.