Company lists · Data refreshed October 2026

Top 25 Nonprofit solar organizations worldwide

Name: Nonprofit solar organizations worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 22,367 companies tracked

RevenueBase identified 22,367 company matches for nonprofit solar organizations worldwide as of October 2026 and tracks 239,890 professional contacts across them, including 53,595 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for nonprofit solar organizations 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 18, 2026. Country and city lists for nonprofit solar organizations 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 18, 2026 How this list was built

22,367Companies

239,890Contacts tracked

53,595Verified emails

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The 25 largest nonprofit solar organizations worldwide

Ranked by team size

Top 25 of 22,367 company matches for nonprofit solar organizations worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Oct 18, 2026	10001+	7,991 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2	First Solar	Exact match	Tempe, AZ, United StatesHQ recorded Oct 18, 2026	5,001-10,000	5,777 contacts →
	Exact match “First Solar, Inc.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Oct 18, 2026	501-1,000	2,696 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 · Oct 18, 2026 · View company records in RevenueBase
4	Solarsquare	Exact match	Mumbai, IndiaHQ recorded Oct 18, 2026	1,001-5,000	2,156 contacts →
	Exact match “At SolarSquare, we make going solar simple, reliable, and worry-free.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	Sunpower Corporation	Exact match	Richmond, CA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	2,009 contacts →
	Exact match “We believe clean energy and backup storage should be accessible to everybody.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,782 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	Freedom Forever	Exact match	Temecula, CA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,684 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 · Oct 18, 2026 · View company records in RevenueBase
8	SUN King	Exact match	Nairobi, KenyaHQ recorded Oct 18, 2026	1,001-5,000	1,637 contacts →
	Exact match “Sun King designs, distributes, installs, and finances solar energy solutions for the 1.8 billion global consumers who cannot reliably access or afford traditional electrical grid…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9	Goodleap	Exact match	Roseville, CA, United StatesHQ recorded Oct 18, 2026	501-1,000	1,197 contacts →
	Exact match “GoodLeap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries to energy-efficient HVAC, heat…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Órigo Energia	Exact match	Sao Paulo, BrazilHQ recorded Oct 18, 2026	501-1,000	1,148 contacts →
	Exact match “Olá, Somos a Órigo, empresa pioneira e líder em geração distribuída compartilhada no Brasil.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	Powur, PBC	Exact match	San Diego, United StatesHQ recorded Oct 18, 2026	n/a	1,097 contacts →
	Exact match “The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Oct 18, 2026	1,001-5,000	1,075 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Maxeon Solar Technologies	Exact match	SingaporeHQ recorded Oct 18, 2026	201-500	1,021 contacts →
	Exact match “Maxeon Solar Technologies is Powering Positive Change™.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	ION Solar	Exact match	Provo, UT, United StatesHQ recorded Oct 18, 2026	501-1,000	913 contacts →
	Exact match “Ion Solar is a premium, full-service solar provider.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	d.light	Exact match	San Francisco, CA, United StatesHQ recorded Oct 18, 2026	501-1,000	903 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	Fraunhofer-Institut FÜR Solare Energiesysteme ISE	Exact match	Freiburg, GermanyHQ recorded Oct 18, 2026	1,001-5,000	900 contacts →
	Exact match “The Fraunhofer Institute for Solar Energy Systems ISE in Freiburg, Germany is the largest solar research institute in Europe.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17	Grew Solar	Exact match	Ahmedabad, IndiaHQ recorded Oct 18, 2026	1,001-5,000	766 contacts →
	Exact match “Founded in 2022, GREW Solar is India’s youngest and fastest-growing solar PV module manufacturer, backed by the 50-year manufacturing legacy of Ahmedabad-based Chiripal Group.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18	NWG S.P.A	Exact match	Prato, ItalyHQ recorded Oct 18, 2026	n/a	755 contacts →
	Exact match “Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	Grid Alternatives	Exact match	Oakland, CA, United StatesHQ recorded Oct 18, 2026	201-500	714 contacts →
	Exact match “GRID Alternatives is a national leader in bringing affordable solar power, clean mobility, and energy storage to underserved communities while creating pathways to life-changing…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	Ilumisol Energia Solar	Exact match	Cascavel, BrazilHQ recorded Oct 18, 2026	n/a	675 contacts →
	Exact match “Na Ilumisol Energia Solar, acreditamos que sustentabilidade e economia andam juntas.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	LUMIO	Exact match	Lehi, UT, United StatesHQ recorded Oct 18, 2026	5,001-10,000	659 contacts →
	Exact match “We’re on a mission to make power personal.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Serena	Exact match	São Paulo, BrazilHQ recorded Oct 18, 2026	201-500	645 contacts →
	Exact match “Making the provision of solar and wind energy accessible to everyone - from large global companies seeking sustainable profitability, to families seeking guilt-free energy…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	Fenice Energy	Exact match	Chennai, IndiaHQ recorded Oct 18, 2026	201-500	635 contacts →
	Exact match “Fenice Energy provides high-quality end-to-end clean energy solutions for homes including solar, backup, and eV charging.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	Depcom Power, INC	Exact match	Scottsdale, AZ, United StatesHQ recorded Oct 18, 2026	1,001-5,000	631 contacts →
	Exact match “DEPCOM Power, a Koch Engineered Solutions Company, is a leading solar energy solutions partner providing Development Support, Engineering, Procurement & Construction (EPC)…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	Nexamp	Exact match	Boston, MA, United StatesHQ recorded Oct 18, 2026	201-500	610 contacts →
	Exact match “Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded in the RevenueBase company graph · Oct 18, 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 “nonprofit solar organizations”. 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 22,367 nonprofit solar organizations worldwide

See the full list, filter by size, metro and specialty, and access 53,595 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit solar organizations worldwide at a glance

As of Oct 18, 2026

22.3%Verified-email coverage

10.7Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Lahore

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

10,988

11-50

8,130

51-200

2,352

201-500

529

501-1,000

133

1,001-5,000

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 nonprofit solar organizations are linked below.
What qualifies: Company records worldwide whose business descriptions match “nonprofit solar organizations” 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 53,595 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 18, 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.

Nonprofit solar organizations by location

95 lists · largest first

Every Nonprofit solar organizations 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 “nonprofit solar organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit solar organizations are there worldwide?

RevenueBase identified 22,367 company matches for nonprofit solar organizations 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?

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

Which country has the most nonprofit solar organizations?

The United States leads with 4,666 companies, followed by Brazil (1,996) and India (1,953). Every nonprofit solar organizations list by country and city is linked on this page.

Which city has the most nonprofit solar organizations?

Lahore leads with 177 company records, followed by Sao Paulo (125) and London (113).

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 53,595 professional contacts with verified work emails tracked across these 22,367 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 18, 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.