Company lists · Data refreshed September 2026

Top 15 Solar power installation companies based in San Francisco, United States

Name: Solar power installation companies based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 36 companies tracked

RevenueBase identified 36 company matches for solar power installation companies associated with San Francisco, United States as of September 2026 and tracks 8,524 professional contacts across them, including 3,530 with verified work emails. Across the United States, San Diego is the largest hub for this category (87 companies); San Francisco has 36.

This list covers company matches for solar power installation companies associated with San Francisco, United States, 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 16, 2026.

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 16, 2026 How this list was built

36Companies

8,524Contacts tracked

3,530Verified emails

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

The 15 largest solar power installation companies based in San Francisco, United States

Ranked by team size

Top 15 of 36 company matches for solar power installation companies based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 Sep 16, 2026	10001+	7,974 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Aurora Solar	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	51-200	265 contacts →
	Exact match “Aurora’s cloud-based software transforms solar design, sales, and delivery.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Paganini Electric Corporation	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	51-200	51 contacts →
	Exact match “Paganini Electric was established in San Francisco in 1948.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Luminalt	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	51-200	32 contacts →
	Exact match “Luminalt designs, installs, and maintains premium solar electric systems for residential, commercial, and non-profit customers in the San Francisco Bay Area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Onswitch	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	26 contacts →
	Exact match “OnSwitch, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Lumen Energy	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	24 contacts →
	Exact match “Lumen Energy is the modern solar broker.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Optivolt	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	21 contacts →
	Exact match “We believe people are at their best when they’re living free from the burden of energy costs.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	Skytech Solar-A SF BAY Area Solar Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “Skytech Solar is one of the best solar companies in the San Francisco Bay Area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Solarunion	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	12 contacts →
	Exact match “SolarUnion is Silicon Valley’s leading provider of premium solar solutions for homeowners, businesses and non-profits.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Terraverde Energy	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	11 contacts →
	Exact match “TerraVerde is an independent energy advisor representing school districts, public agencies, and commercial enterprises.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Sutro Power	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	10 contacts →
	Exact match “Sutro Power is a San Francisco-based team of Solar Installation Professionals.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Golden State Renewable Energy	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	1-10	7 contacts →
	Exact match “GSR Energy is an innovative solar and battery storage development company that focuses on designing and constructing cost-effective behind-the-meter and distributed front of the…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Albion Power Company, INC	Exact match	San Francisco, United StatesHQ recorded Sep 16, 2026	1-10	6 contacts →
	Exact match “Albion Power Company offers turn-key Design/Build installations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Occidental Power Solar	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	11-50	5 contacts →
	Exact match “Oxypower, Inc.(DBA Occidental Power Solar & Cogen) is San Francisco's oldest solar electric company, providing the Bay Area with custom design and build solar energy systems for…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Deep Green Solar	Exact match	San Francisco, CA, United StatesHQ recorded Sep 16, 2026	1-10	3 contacts →
	Exact match “At Deep Green Solar we want to help build a stronger and sustainable economy.” Recorded in the RevenueBase company graph · Sep 16, 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 power installation companies”. 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 15 of 36 solar power installation companies based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 3,530 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Solar power installation companies based in San Francisco, United States at a glance

As of Sep 16, 2026

41.4%Verified-email coverage

236.8Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 36 companies.

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.
What qualifies: Company records associated with San Francisco, United States whose business descriptions match “solar power installation companies” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 3,530 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 16, 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 power installation companies by metro in the United States

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 power installation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar power installation companies are there based in San Francisco, United States?

RevenueBase identified 36 company matches for solar power installation companies associated with San Francisco, United States 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?

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

Which city in the United States has the most solar power installation companies?

San Diego leads the United States with 87 company records, followed by Houston (69) and Los Angeles (62). San Francisco has 36.

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 3,530 professional contacts with verified work emails tracked across these 36 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 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 36 solar power installation companies based in San Francisco, United States. Start with a free account, no credit card.

Download this list →

Related lists

Solar power installation companies by geography

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.