Company lists · Data refreshed September 2026

Top 25 Solar energy consulting companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 18, 2026 37,152 companies tracked

RevenueBase identified 37,152 solar energy consulting companies worldwide as of September 2026 and tracks 372,717 professional contacts across them, including 95,041 with verified work emails and 0 with mobile numbers. The United States is the largest market and Madrid the largest hub.

This list covers solar energy consulting companies worldwide, 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 18, 2026. Country and city lists for solar energy consulting companies follow the table.

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 18, 2026 86% judged on-target in blind review

37,152Companies

372,717Contacts tracked

95,041Verified emails

0Mobile numbers

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

The 25 largest solar energy consulting companies worldwide

Ranked by team size

Top 25 of 37,152 solar energy consulting companies worldwide, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to solar energy consulting 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	Dalkia	Indirect evidence	Saint-andré-lez-lille, FranceHQ checked Sep 18, 2026	10001+	8,427 contacts →
	Indirect evidence “Dalkia : ensemble, relevons le défi climatique!” Source: RevenueBase Database · checked Sep 18, 2026
2	Sunrun	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 18, 2026	10001+	7,974 contacts →
	Partial evidence “Life runs on clean energy.” Source: RevenueBase Database · checked Sep 18, 2026
3	Ambit Energy	Strong evidence	Irving, TX, United StatesHQ checked Sep 18, 2026	n/a	4,150 contacts →
	Strong 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 18, 2026
4	Enphase Energy	Strong evidence	Fremont, CA, United StatesHQ checked Sep 18, 2026	1,001-5,000	3,130 contacts →
	Strong 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 18, 2026
5	FTI	Partial evidence	Menasha, WI, United StatesHQ checked Sep 18, 2026	1,001-5,000	2,741 contacts →
	Partial evidence “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Source: RevenueBase Database · checked Sep 18, 2026
6	Waaree Group	Partial evidence	Mumbai, IndiaHQ checked Sep 18, 2026	5,001-10,000	2,264 contacts →
	Partial evidence “Founded in 1990, Waaree Energies Limited is India’s leading renewable energy company, driving the global transition to clean power.” Source: RevenueBase Database · checked Sep 18, 2026
7	MOSS	Indirect evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 18, 2026	5,001-10,000	2,214 contacts →
	Indirect evidence “Moss is a national, privately-held construction firm providing innovative solutions resulting in award-winning projects.” Source: RevenueBase Database · checked Sep 18, 2026
8	Premier Energies Limited	Strong evidence	Secunderabad, IndiaHQ checked Sep 18, 2026	501-1,000	1,854 contacts →
	Strong evidence “INDIA'S FIRST LEED GOLD-RATED SOLAR MANUFACTURING FACILITY- The year was 1995, when Shri Surendarpal Singh Saluja established Premier Energies with the goal to harness the sun’s…” Source: RevenueBase Database · checked Sep 18, 2026
9	Freedom Forever	Partial evidence	Temecula, CA, United StatesHQ checked Sep 18, 2026	1,001-5,000	1,830 contacts →
	Partial evidence “Freedom Forever is a residential solar installation company that partners with solar sales companies in the industry.” Source: RevenueBase Database · checked Sep 18, 2026
10	Solarsquare	Partial evidence	Mumbai, IndiaHQ checked Sep 18, 2026	1,001-5,000	1,812 contacts →
	Partial evidence “At SolarSquare, we make going solar simple, reliable, and worry-free.” Source: RevenueBase Database · checked Sep 18, 2026
11	Trinity Solar	Partial evidence	Wall Township, NJ, United StatesHQ checked Sep 18, 2026	1,001-5,000	1,794 contacts →
	Partial evidence “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Source: RevenueBase Database · checked Sep 18, 2026
12	IGS Energy	Partial evidence	Dublin, OH, United StatesHQ checked Sep 18, 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 18, 2026
13	Solv Energy	Strong evidence	San Diego, CA, United StatesHQ checked Sep 18, 2026	1,001-5,000	1,286 contacts →
	Strong 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 18, 2026
14	Blue Raven Solar	Partial evidence	Orem, UT, United StatesHQ checked Sep 18, 2026	1,001-5,000	1,168 contacts →
	Partial evidence “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Source: RevenueBase Database · checked Sep 18, 2026
15	EDF Solutions Solaires	Indirect evidence	Limonest, FranceHQ checked Sep 18, 2026	1,001-5,000	1,085 contacts →
	Indirect evidence “EDF solutions solaires est une filiale à 100% du groupe EDF et leader de l'autoconsommation solaire chez les particuliers depuis plus de 20 ans.” Source: RevenueBase Database · checked Sep 18, 2026
16	Penspen	Partial evidence	London, United KingdomHQ checked Sep 18, 2026	1,001-5,000	1,007 contacts →
	Partial evidence “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Source: RevenueBase Database · checked Sep 18, 2026
17	Qcells North America	Strong evidence	Irvine, CA, United StatesHQ checked Sep 18, 2026	501-1,000	954 contacts →
	Strong 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 18, 2026
18	Wanzek Construction, Inc., A Mastec Company	Partial evidence	Fargo, ND, United StatesHQ checked Sep 18, 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 18, 2026
19	ION Solar	Partial evidence	Provo, UT, United StatesHQ checked Sep 18, 2026	501-1,000	912 contacts →
	Partial evidence “Ion Solar is a premium, full-service solar provider.” Source: RevenueBase Database · checked Sep 18, 2026
20	Sunnova Energy	Partial evidence	Houston, TX, United StatesHQ checked Sep 18, 2026	501-1,000	906 contacts →
	Partial evidence “Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…” Source: RevenueBase Database · checked Sep 18, 2026
21	Willdan	Partial evidence	Anaheim, CA, United StatesHQ checked Sep 18, 2026	1,001-5,000	851 contacts →
	Partial evidence “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Source: RevenueBase Database · checked Sep 18, 2026
22	Saatvik Solar	Strong evidence	Gurugram, IndiaHQ checked Sep 18, 2026	1,001-5,000	819 contacts →
	Strong evidence “Saatvik Green Energy (‘Saatvik Solar”) ranks among the “Top Solar Panel Manufacturers” in India with an annual current production capacity of 4.8GW/Annum, having its…” Source: RevenueBase Database · checked Sep 18, 2026
23	Prodiel	Indirect evidence	Sevilla, MexicoHQ checked Sep 18, 2026	1,001-5,000	765 contacts →
	Indirect evidence “Prodiel es una compañía multinacional especializada en la construcción de grandes plantas de generación fotovoltaica.” Source: RevenueBase Database · checked Sep 18, 2026
24	Powersecure, INC	Partial evidence	Durham, NC, United StatesHQ checked Sep 18, 2026	501-1,000	740 contacts →
	Partial evidence “PowerSecure, a Southern Company subsidiary, is a leading provider of innovative energy solutions to electric utilities and their industrial, institutional, and commercial…” Source: RevenueBase Database · checked Sep 18, 2026
25	Cleanmax	Partial evidence	Mumbai, IndiaHQ checked Sep 18, 2026	201-500	735 contacts →
	Partial evidence “CleanMax is India’s largest commercial and industrial (“C&I”) renewable energy provider with 3 GW of operational, owned and managed capacity.” Source: RevenueBase Database · checked Sep 18, 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: solar energy consulting 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 solar energy consulting companies.
Partial evidence: Its own public description names part of solar energy consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name solar energy consulting 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 37,152 solar energy consulting companies worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 95,041 reachable decision-makers.

Free signup · no credit card

View the full list →

Solar energy consulting companies worldwide at a glance

As of Sep 18, 2026

25.5%Verified-email coverage

10.0Average contacts per company

1-10Median size (employees)

0.9%Largest-city concentration · Madrid

Sep 18, 2026Page data refreshed

Companies by employee count

1-10

19,479

11-50

13,006

51-200

3,436

201-500

720

501-1,000

154

1,001-5,000

114

5,001-10,000

10001+

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 solar energy consulting 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.
Coverage: 62 countries, largest first: the United States, India, Brazil, Germany, Spain, the United Kingdom, France, Italy, Australia, the Netherlands and 52 more. Country and city lists for solar energy consulting companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “solar energy consulting 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 solar energy consulting 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 solar energy consulting companies, and records with no verified work email.
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, 95,041 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 18, 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.

Solar energy consulting companies by location

151 lists · largest first

Every Solar energy consulting 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 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 solar energy consulting 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 solar energy consulting companies are there worldwide?

RevenueBase identified 37,152 solar energy consulting companies worldwide 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?

Dalkia, headquartered in Saint-Andre-Lez-Lille, tops this list with the largest team on record.

Which country has the most solar energy consulting companies?

The United States leads with 6,416 companies, followed by India (3,775) and Brazil (3,616). Every solar energy consulting companies list by country and city is linked on this page.

Which city has the most solar energy consulting companies?

Madrid leads with 323 headquartered companies, followed by Sao Paulo (278) and Lahore (268).

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 95,041 verified decision-maker contacts tracked across these 37,152 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 18, 2026.

Ready to reach these companies? Verified emails and direct dials for all 37,152 solar energy consulting 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 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.