Company lists · Data refreshed October 2026

Top 25 Energy generation services worldwide

Name: Energy generation services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 10,520 companies tracked

RevenueBase identified 10,520 company matches for energy generation services worldwide as of October 2026 and tracks 666,472 professional contacts across them, including 201,097 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy generation services 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 25, 2026. Country and city lists for energy generation services 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 25, 2026 How this list was built

10,520Companies

666,472Contacts tracked

201,097Verified emails

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The 25 largest energy generation services worldwide

Ranked by team size

Top 25 of 10,520 company matches for energy generation services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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 25, 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 25, 2026 · View company records in RevenueBase
2	Dominion Energy	Exact match	Richmond, VA, United StatesHQ recorded Oct 25, 2026	10001+	32,404 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 · Oct 25, 2026 · View company records in RevenueBase
3	Ntpc Limited	Exact match	New Delhi, IndiaHQ recorded Oct 25, 2026	10001+	20,393 contacts →
	Exact match “NTPC Limited is India’s largest power generation utility with roots planted way back in 1975 to accelerate power development in India.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Enel Group	Exact match	Rome, ItalyHQ recorded Oct 25, 2026	10001+	15,904 contacts →
	Exact match “We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Hydro Québec	Exact match	Montréal, QC, CanadaHQ recorded Oct 25, 2026	10001+	15,021 contacts →
	Exact match “Hydro-Québec produit, transporte et distribue de l'électricité.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	RWE	Exact match	Essen, GermanyHQ recorded Oct 25, 2026	10001+	11,410 contacts →
	Exact match “RWE is leading the way to a modern energy world.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Entergy	Exact match	New Orleans, LA, United StatesHQ recorded Oct 25, 2026	10001+	11,392 contacts →
	Exact match “At Entergy (NYSE: ETR), we power life.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	Constellation	Exact match	Baltimore, MD, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
9	Tata Power	Exact match	Mumbai, IndiaHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
10	Ontario Power Generation	Exact match	Toronto, ON, CanadaHQ recorded Oct 25, 2026	5,001-10,000	9,280 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 · Oct 25, 2026 · View company records in RevenueBase
11	Tenaga Nasional Berhad	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 25, 2026	10001+	8,377 contacts →
	Exact match “Tenaga Nasional Berhad is a leading Malaysian utility company in Asia with an international presence in the United Kingdom (UK), Ireland, Australia, Turkiye, Saudi Arabia, Kuwait…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Grupo Equatorial	Exact match	Brasília, BrazilHQ recorded Oct 25, 2026	10001+	7,917 contacts →
	Exact match “O futuro já chegou.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	PSEG	Exact match	Newark, NJ, United StatesHQ recorded Oct 25, 2026	10001+	7,508 contacts →
	Exact match “Public service” is not just in our name.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Ørsted	Exact match	Fredericia, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
15	Nextera Energy Resources	Exact match	Juno Beach, FL, United StatesHQ recorded Oct 25, 2026	10001+	6,409 contacts →
	Exact match “NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Mortenson	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 25, 2026	5,001-10,000	5,884 contacts →
	Exact match “Mortenson is a U.S-based, top-25 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	PLN Indonesia Power	Exact match	South Jakarta, IndonesiaHQ recorded Oct 25, 2026	1,001-5,000	5,854 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 · Oct 25, 2026 · View company records in RevenueBase
18	Georgia Power Company	Exact match	Atlanta, GA, United StatesHQ recorded Oct 25, 2026	10001+	5,270 contacts →
	Exact match “High reliability, low prices and high customer satisfaction are cornerstones of our customer commitment, but it doesn't end there.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	GALP	Exact match	Alcântara, PortugalHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
20	Enel Green Power	Exact match	Rome, ItalyHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
21	E.On UK	Exact match	Coventry, United KingdomHQ recorded Oct 25, 2026	10001+	4,427 contacts →
	Exact match “It's on us to make new energy work.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Octopus Energy	Exact match	London, United KingdomHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
23	Statkraft	Exact match	Oslo, NorwayHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
24	Generac	Exact match	Waukesha, WI, United StatesHQ recorded Oct 25, 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 25, 2026 · View company records in RevenueBase
25	Ambit Energy	Exact match	Irving, TX, United StatesHQ recorded Oct 25, 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 25, 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 “energy generation services”. 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 10,520 energy generation services worldwide

See the full list, filter by size, metro and specialty, and access 201,097 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy generation services worldwide at a glance

As of Oct 25, 2026

30.2%Verified-email coverage

63.4Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · London

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

3,901

11-50

3,912

51-200

1,627

201-500

505

501-1,000

238

1,001-5,000

205

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 energy generation services are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy generation services” 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 201,097 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 25, 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.

Energy generation services by location

73 lists · largest first

Every Energy generation services 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 “energy generation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy generation services are there worldwide?

RevenueBase identified 10,520 company matches for energy generation services 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 energy generation services?

The United States leads with 1,780 companies, followed by Brazil (812) and India (611). Every energy generation services list by country and city is linked on this page.

Which city has the most energy generation services?

London leads with 145 company records, followed by Sao Paulo (108) and Madrid (104).

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 201,097 professional contacts with verified work emails tracked across these 10,520 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 25, 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.