Company lists · Data refreshed November 2026

Top 25 Off-grid system installers worldwide

Name: Off-grid system installers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 26,458 companies tracked

RevenueBase identified 26,458 company matches for off-grid system installers worldwide as of November 2026 and tracks 280,156 professional contacts across them, including 68,834 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for off-grid system installers 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 November 6, 2026. Country and city lists for off-grid system installers 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 Nov 6, 2026 How this list was built

26,458Companies

280,156Contacts tracked

68,834Verified emails

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The 25 largest off-grid system installers worldwide

Ranked by team size

Top 25 of 26,458 company matches for off-grid system installers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 2026	10001+	8,270 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Generac	Exact match	Waukesha, WI, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,041 contacts →
	Exact match “Generac is the total energy solutions company powering a smarter world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Luminous Power Technologies P LTD	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	5,001-10,000	3,913 contacts →
	Exact match “Powering Progress, Lighting Lives!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	ENPAL	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	5,001-10,000	3,483 contacts →
	Exact match “Enpal is Europe's leading new energy company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Enphase Energy	Exact match	Fremont, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,227 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 · Nov 6, 2026 · View company records in RevenueBase
6	FTI	Exact match	Menasha, WI, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,999 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	2,799 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 · Nov 6, 2026 · View company records in RevenueBase
8	Pearce Services	Exact match	Paso Robles, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,767 contacts →
	Exact match “PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Innio Group	Exact match	Munich, WI, GermanyHQ recorded Nov 6, 2026	1,001-5,000	2,393 contacts →
	Exact match “INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Solarsquare	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,307 contacts →
	Exact match “At SolarSquare, we make going solar simple, reliable, and worry-free.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Sunpower Corporation	Exact match	Richmond, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,036 contacts →
	Exact match “We believe clean energy and backup storage should be accessible to everybody.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,854 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	SUN King	Exact match	Nairobi, KenyaHQ recorded Nov 6, 2026	1,001-5,000	1,701 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 · Nov 6, 2026 · View company records in RevenueBase
14	ZENER	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	5,001-10,000	1,358 contacts →
	Exact match “En Zener crecemos acelerando el crecimiento de nuestros clientes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Jubaili Bros	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	1,194 contacts →
	Exact match “Jubaili Bros is a global leader in providing data-enabled conventional and renewable off-grid power solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Minha Casa Solar	Exact match	Contagem, BrazilHQ recorded Nov 6, 2026	n/a	1,143 contacts →
	Exact match “Fundada em 2010, a Minha Casa Solar se destaca como líder na venda de equipamentos de energia solar em todo o Brasil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,120 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	977 contacts →
	Exact match “Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	ION Solar	Exact match	Provo, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	945 contacts →
	Exact match “Ion Solar is a premium, full-service solar provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Okaya Power Group	Exact match	New Delhi, IndiaHQ recorded Nov 6, 2026	1,001-5,000	926 contacts →
	Exact match “For over two decades, OKAYA has been powering India's everyday progress with reliable, efficient, and future-ready energy solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Powersecure, INC	Exact match	Durham, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	801 contacts →
	Exact match “PowerSecure, a Southern Company subsidiary, is a leading provider of innovative energy solutions to electric utilities and their industrial, institutional, and commercial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	784 contacts →
	Exact match “Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Baker Electric	Exact match	Escondido, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	717 contacts →
	Exact match “Baker Electric is a full-service electrical contractor and energy infrastructure expert headquartered in Escondido, California.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	ALFEN	Exact match	Almere, NetherlandsHQ recorded Nov 6, 2026	501-1,000	712 contacts →
	Exact match “With transformer substations, energy storage systems, charging stations for electric vehicles and a diverse portfolio of other products and services, Alfen has a central and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	LUMIO	Exact match	Lehi, UT, United StatesHQ recorded Nov 6, 2026	5,001-10,000	700 contacts →
	Exact match “We’re on a mission to make power personal.” Recorded in the RevenueBase company graph · Nov 6, 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 “off-grid system installers”. 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 26,458 off-grid system installers worldwide

See the full list, filter by size, metro and specialty, and access 68,834 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Off-grid system installers worldwide at a glance

As of Nov 6, 2026

24.6%Verified-email coverage

10.6Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Lahore

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

12,589

11-50

9,977

51-200

2,656

201-500

575

501-1,000

168

1,001-5,000

112

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 off-grid system installers are linked below.
What qualifies: Company records worldwide whose business descriptions match “off-grid system installers” 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 68,834 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 November 6, 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.

Off-grid system installers by location

104 lists · largest first

Every Off-grid system installers 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 “off-grid system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many off-grid system installers are there worldwide?

RevenueBase identified 26,458 company matches for off-grid system installers worldwide as of November 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 off-grid system installers?

The United States leads with 3,473 companies, followed by India (2,231) and Brazil (2,062). Every off-grid system installers list by country and city is linked on this page.

Which city has the most off-grid system installers?

Lahore leads with 201 company records, followed by Sao Paulo (134) and Johannesburg (133).

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 68,834 professional contacts with verified work emails tracked across these 26,458 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 November 6, 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.