Company lists · Data refreshed November 2026

Top 19 Solar energy developers based in Washington, United States

Name: Solar energy developers based in Washington, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 39 companies tracked

RevenueBase identified 39 company matches for solar energy developers associated with Washington, United States as of November 2026 and tracks 765 professional contacts across them, including 291 with verified work emails. Across the United States, New York is the largest hub for this category (120 companies); Washington has 39.

This list covers company matches for solar energy developers associated with Washington, 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 November 6, 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 Nov 6, 2026 How this list was built

39Companies

765Contacts tracked

291Verified emails

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The 19 largest solar energy developers based in Washington, United States

Ranked by team size

Top 19 of 39 company matches for solar energy developers based in Washington, United States, 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	SOL Systems	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	192 contacts →
	Exact match “Sol Systems is a national clean energy firm focused on building domestic energy that benefits local communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Solar United Neighbors	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	133 contacts →
	Exact match “Solar United Neighbors (SUN) is a national nonprofit organization helping people go solar, join together, and fight for their energy rights.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	NEW Columbia Solar	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	33 contacts →
	Exact match “New Columbia Solar (NCS) is a full-service solar energy company, based in and serving the District of Columbia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Solar Solution	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	29 contacts →
	Exact match “Solar Solution, based in Washington D.C, was founded in 2008 and has grown to become one of the largest solar PV installers and developers in the region.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Uprise Solar And Roofing	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match “Uprise Solar and Roofing is a Washington, DC–based solar and roofing company serving DC, Maryland, and Northern Virginia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Ipsun Solar	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	17 contacts →
	Exact match “Ipsun Solar, a Civic Renewables Company, is a leader in clean energy services based in Virginia, Washington D.C.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Distributed SUN	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Distributed Sun LLC (DSUN) is a renewable energy services provider founded in 2009.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Universal Renewables	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “Universal Renewables has revolutionized rooftop solar installations by making solar power systems possible and economical in ways that traditional ballasted and flush-mount…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Solar Electric Light Fund Self	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	9 contacts →
	Exact match “The Solar Electric Light Fund (SELF) uses the power of the sun to fight poverty and climate change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Volt Energy Utility	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “From Appalachia to Atlanta, Volt Energy Utility’s solar projects make a difference.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Prism Solar	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “Based in Washington, DC, Prism Solar specializes in originating, financing, and developing solar projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Lightbox Energy	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	5 contacts →
	Exact match “Lightbox Energy is an energy and sustainability program management firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Pipe Solar	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	4 contacts →
	Exact match “Pipe Solar simplifies the process of PV design, proposal generation, and integrated financing to provide a robust point-of-sale experience for solar customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	NEW Partners Community Solar	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “New Partners Community Solar is a 501(c)(3) non-profit organization, dedicated to clean energy and environmental justice.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Smartr Solar	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “At Smartr Solar, our mission is "to make the money-saving benefits of solar power accessible to tenants by making solar power a great investment for their landlords." True to our…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Evergreen Energy Investments	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “Evergreen Energy Investments is a dynamic energy company headquartered in Washington, DC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Vittoria Energy Expedition	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Vittoria Energy Expedition is a 501(c)(3) nonprofit founded in 2015 to connect everyday people to clean power innovations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Flywheel Development LLC	Exact match	Washington, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Flywheel Development was founded in 2014 and is a leading sustainable urban design and development company in the Washington DC region.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Point Energy	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match “Point Energy is a highly specialized and agile end-to-end strategic consultancy and operator in all aspects of the renewable energy industry.” 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 “solar energy developers”. 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 19 of 39 solar energy developers based in Washington, United States

See the full list, filter by size, metro and specialty, and access 291 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar energy developers based in Washington, United States at a glance

As of Nov 6, 2026

38.0%Verified-email coverage

19.6Average contacts per company

1-10Median size (employees)

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 39 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 Washington, United States whose business descriptions match “solar energy developers” 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 291 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.

Solar energy developers 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 energy developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar energy developers are there based in Washington, United States?

RevenueBase identified 39 company matches for solar energy developers associated with Washington, United States 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?

SOL Systems 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 energy developers?

New York leads the United States with 120 company records, followed by San Diego (99) and Austin (96). Washington has 39.

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 291 professional contacts with verified work emails tracked across these 39 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.