Company lists · Data refreshed September 2026

Top 25 Distributed energy generation companies based in the United States

Name: Distributed energy generation companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 3,543 companies tracked

RevenueBase identified 3,543 distributed energy generation companies headquartered in the United States as of September 2026 and tracks 187,823 professional contacts across them, including 71,740 with verified work emails. New York is the largest hub.

This list covers distributed energy generation companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

3,543Companies

187,823Contacts tracked

71,740Verified emails

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The 25 largest distributed energy generation companies based in the United States

Ranked by team size

Top 25 of 3,543 distributed energy generation companies based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to distributed energy generation companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	GE Vernova	Partial evidence	Boston, MA, United StatesHQ checked Sep 16, 2026	10001+	29,528 contacts →
	Partial evidence “GE Vernova is a purpose-built energy technology company on a mission to electrify to thrive and decarbonize the world.” Source: RevenueBase Database · checked Sep 16, 2026
2	Constellation	Partial evidence	Baltimore, MD, United StatesHQ checked Sep 16, 2026	10001+	9,458 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
3	Sunrun	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 16, 2026	10001+	7,974 contacts →
	Partial evidence “Life runs on clean energy.” Source: RevenueBase Database · checked Sep 16, 2026
4	Nextera Energy Resources	Partial evidence	Juno Beach, FL, United StatesHQ checked Sep 16, 2026	10001+	6,221 contacts →
	Partial evidence “NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.” Source: RevenueBase Database · checked Sep 16, 2026
5	Ambit Energy	Partial evidence	Irving, TX, United StatesHQ checked Sep 16, 2026	n/a	4,150 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
6	Generac	Partial evidence	Waukesha, WI, United StatesHQ checked Sep 16, 2026	5,001-10,000	3,797 contacts →
	Partial evidence “Generac is the total energy solutions company powering a smarter world.” Source: RevenueBase Database · checked Sep 16, 2026
7	Fieldcore	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 16, 2026	10001+	3,700 contacts →
	Partial evidence “GE Vernova is a planned, purpose-built global energy company that includes Power, Wind, and Electrification businesses and is supported by its accelerator businesses of Advanced…” Source: RevenueBase Database · checked Sep 16, 2026
8	Enphase Energy	Partial evidence	Fremont, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	3,130 contacts →
	Partial evidence “Enphase Energy is a global energy technology company and the world’s leading supplier of microinverter-based solar and battery systems.” Source: RevenueBase Database · checked Sep 16, 2026
9	Sunpower Corporation	Partial evidence	Richmond, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,675 contacts →
	Partial evidence “We believe clean energy and backup storage should be accessible to everybody.” Source: RevenueBase Database · checked Sep 16, 2026
10	Vistra Corp	Partial evidence	Irving, TX, United StatesHQ checked Sep 16, 2026	5,001-10,000	2,466 contacts →
	Partial evidence “Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company, based in Irving, Texas, that provides essential resources to customers…” Source: RevenueBase Database · checked Sep 16, 2026
11	Invenergy	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,408 contacts →
	Indirect evidence “Invenergy is North America’s largest privately held developer, owner, and operator of innovative, reliable power infrastructure.” Source: RevenueBase Database · checked Sep 16, 2026
12	Bloom Energy	Partial evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,221 contacts →
	Partial evidence “Bloom Energy empowers businesses and communities to responsibly take charge of their energy.” Source: RevenueBase Database · checked Sep 16, 2026
13	Calpine	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,112 contacts →
	Indirect evidence “A business unit of Constellation (NASDAQ: CEG), Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with operations in…” Source: RevenueBase Database · checked Sep 16, 2026
14	Fluence	Partial evidence	Arlington, VA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,863 contacts →
	Partial evidence “To achieve our mission, we design, deploy, and operate the world’s most advanced modular energy storage products, comprehensive lifecycle services, and AI-enabled asset management…” Source: RevenueBase Database · checked Sep 16, 2026
15	Mitsubishi Power Americas	Partial evidence	Lake Mary, FL, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,859 contacts →
	Partial evidence “Mitsubishi Power Americas is creating a future that works for people and the planet through innovative power generation technology and solutions.” Source: RevenueBase Database · checked Sep 16, 2026
16	GE Digital	Partial evidence	San Ramon, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,763 contacts →
	Partial evidence “At GE Digital, our focus is clear: delivering software that accelerates a new era of energy.” Source: RevenueBase Database · checked Sep 16, 2026
17	Rehlko	Partial evidence	Milwaukee, WI, United StatesHQ checked Sep 16, 2026	5,001-10,000	1,709 contacts →
	Partial evidence “Rehlko is a global leader in energy resilience, delivering the solutions critical to sustain and improve life.” Source: RevenueBase Database · checked Sep 16, 2026
18	IGS Energy	Partial evidence	Dublin, OH, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,388 contacts →
	Partial evidence “IGS Energy has been a trusted energy advisor since 1989, growing into one of the nation’s top energy retailers.” Source: RevenueBase Database · checked Sep 16, 2026
19	Ameresco	Partial evidence	Framingham, MA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,383 contacts →
	Partial evidence “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Source: RevenueBase Database · checked Sep 16, 2026
20	Solv Energy	Partial evidence	San Diego, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,286 contacts →
	Partial evidence “SOLV Energy is a renewable energy solutions provider for utility solar, energy storage, and high voltage projects in North America.” Source: RevenueBase Database · checked Sep 16, 2026
21	Ormat Technologies, INC	Indirect evidence	Reno, NV, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,281 contacts →
	Indirect evidence “With over five decades of experience, Ormat Technologies, Inc.” Source: RevenueBase Database · checked Sep 16, 2026
22	Qcells North America	Partial evidence	Irvine, CA, United StatesHQ checked Sep 16, 2026	501-1,000	954 contacts →
	Partial evidence “Qcells is a renowned complete energy solutions provider in solar cell and module, energy storage, downstream project business and energy retail.” Source: RevenueBase Database · checked Sep 16, 2026
23	Wanzek Construction, Inc., A Mastec Company	Partial evidence	Fargo, ND, United StatesHQ checked Sep 16, 2026	1,001-5,000	933 contacts →
	Partial evidence “Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Source: RevenueBase Database · checked Sep 16, 2026
24	Recurrent Energy	Partial evidence	Austin, United StatesHQ checked Sep 16, 2026	501-1,000	931 contacts →
	Partial evidence “Recurrent Energy, a subsidiary of Canadian Solar Inc, is one of the world's largest and most geographically diversified utility-scale solar and energy storage project development…” Source: RevenueBase Database · checked Sep 16, 2026
25	d.light	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 16, 2026	501-1,000	908 contacts →
	Indirect evidence “d.light is a global leader and pioneer in delivering affordable solar-powered solutions designed for the two billion people in the developing world without access to reliable…” Source: RevenueBase Database · checked Sep 16, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: distributed energy generation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names distributed energy generation companies.
Partial evidence: Its own public description names part of distributed energy generation companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name distributed energy generation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 3,543 distributed energy generation companies based in the United States

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Distributed energy generation companies based in the United States at a glance

As of Sep 16, 2026

38.2%Verified-email coverage

53.0Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · New York

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

1,430

11-50

1,348

51-200

501

201-500

129

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,543 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among distributed energy generation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “distributed energy generation companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names distributed energy generation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among distributed energy generation companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 71,740 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Distributed energy generation companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names distributed energy generation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many distributed energy generation companies are there based in the United States?

RevenueBase identified 3,543 distributed energy generation companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

GE Vernova, headquartered in Boston, tops this list with the largest team on record.

Which city has the most distributed energy generation companies?

New York leads with 126 headquartered companies, followed by Houston (119) and Austin (73).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 71,740 verified decision-maker contacts tracked across these 3,543 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 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 Smart Search, 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.