Company lists · Data refreshed September 2026

Top 25 Solar energy investment firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 29,079 companies tracked

RevenueBase identified 29,079 company matches for solar energy investment firms worldwide as of September 2026 and tracks 449,179 professional contacts across them, including 122,032 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for solar energy investment firms 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 29, 2026. Country and city lists for solar energy investment firms 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 29, 2026 How this list was built

29,079Companies

449,179Contacts tracked

122,032Verified emails

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

The 25 largest solar energy investment firms worldwide

Ranked by team size

Top 25 of 29,079 company matches for solar energy investment firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	RWE	Exact match	Essen, GermanyHQ recorded Sep 29, 2026	10001+	11,181 contacts →
	Exact match “RWE is leading the way to a modern energy world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Sep 29, 2026	10001+	7,974 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Alfanar	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4	Enel Green Power	Exact match	Roma, ItalyHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5	RENEW	Exact match	Gurugram, IndiaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6	RES	Exact match	Kings Langley, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
7	Luminous Power Technologies P LTD	Exact match	Gurgaon, IndiaHQ recorded Sep 29, 2026	5,001-10,000	3,713 contacts →
	Exact match “Powering Progress, Lighting Lives!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Sembcorp Industries LTD	Exact match	SingaporeHQ recorded Sep 29, 2026	1,001-5,000	3,452 contacts →
	Exact match “Sembcorp Industries (Sembcorp) is a leading energy and urban solutions provider, led by its purpose to drive energy transition.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	ENPAL	Exact match	Berlin, GermanyHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
10	Enphase Energy	Exact match	Fremont, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,130 contacts →
	Exact match “Enphase Energy is a global energy technology company and the world’s leading supplier of microinverter-based solar and battery systems.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Adani Green Energy LTD	Exact match	United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
12	Sunpower Corporation	Exact match	Richmond, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,675 contacts →
	Exact match “We believe clean energy and backup storage should be accessible to everybody.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
14	Greenko Group	Exact match	Hyderabad, IndiaHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
15	Waaree Group	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	5,001-10,000	2,264 contacts →
	Exact match “Founded in 1990, Waaree Energies Limited is India’s leading renewable energy company, driving the global transition to clean power.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Acme Group	Exact match	Gurgaon, IndiaHQ recorded Sep 29, 2026	1,001-5,000	2,242 contacts →
	Exact match “ACME Group is one of the leading global sustainable and renewable energy companies and a beacon of innovation in the sustainable energy landscape for the past 2 decades.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Trinasolar	Exact match	Jiangsu, ChinaHQ recorded Sep 29, 2026	10001+	2,199 contacts →
	Exact match “Founded in 1997, Trinasolar (688599.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Envision Energy	Exact match	Huangpu District, ChinaHQ recorded Sep 29, 2026	1,001-5,000	1,961 contacts →
	Exact match “Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Freedom Forever	Exact match	Temecula, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,830 contacts →
	Exact match “Freedom Forever is a residential solar installation company that partners with solar sales companies in the industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Solarsquare	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,812 contacts →
	Exact match “At SolarSquare, we make going solar simple, reliable, and worry-free.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,794 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Canadian Solar INC	Exact match	Kitchener, ON, CanadaHQ recorded Sep 29, 2026	10001+	1,781 contacts →
	Exact match “Canadian Solar was founded in 2001 in Canada and is one of the world's largest solar technology and renewable energy companies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Avaada Group	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	5,001-10,000	1,747 contacts →
	Exact match “Avaada Group is a diversified clean energy conglomerate focused on the global energy transition, providing solutions in renewable power generation, solar PV manufacturing, green…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Longi Solar	Exact match	西安, ChinaHQ recorded Sep 29, 2026	10001+	1,496 contacts →
	Exact match “Founded in LONGi Green Energy Technology Co, Ltd.(LONGi, Stock Code: 601012.SH) is committed to becoming the most compelling solar technology company by leading the world’s…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Voltalia	Exact match	Paris, FranceHQ recorded Sep 29, 2026	1,001-5,000	1,436 contacts →
	Exact match “Voltalia is an international player in renewable energies.” Recorded in the RevenueBase company graph · Sep 29, 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 “solar energy investment firms”. 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 29,079 solar energy investment firms worldwide

See the full list, filter by size, metro and specialty, and access 122,032 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Solar energy investment firms worldwide at a glance

As of Sep 29, 2026

27.2%Verified-email coverage

15.4Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

13,347

11-50

10,761

51-200

3,354

201-500

872

501-1,000

287

1,001-5,000

218

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 solar energy investment firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “solar energy investment firms” 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 122,032 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 29, 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.

Solar energy investment firms by location

138 lists · largest first

Every Solar energy investment firms 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 “solar energy investment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar energy investment firms are there worldwide?

RevenueBase identified 29,079 company matches for solar energy investment firms 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?

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

Which country has the most solar energy investment firms?

The United States leads with 4,546 companies, followed by Brazil (2,652) and India (2,419). Every solar energy investment firms list by country and city is linked on this page.

Which city has the most solar energy investment firms?

London leads with 273 company records, followed by Madrid (214) and Sao Paulo (211).

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 122,032 professional contacts with verified work emails tracked across these 29,079 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 29,079 solar energy investment firms 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.