Company lists · Data refreshed September 2026

Top 25 Solar system monitoring companies based in the United States

RevenueBase identified 890 solar system monitoring companies headquartered in the United States as of September 2026 and tracks 20,576 professional contacts across them, including 7,283 with verified work emails. Austin is the largest hub.

This list covers solar system monitoring companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 18, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 18, 2026 86% judged on-target in blind review
890Companies
20,576Contacts tracked
7,283Verified emails
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The 25 largest solar system monitoring companies based in the United States

Ranked by team size
Top 25 of 890 solar system monitoring companies based in the United States, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to solar system monitoring companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceFremont, CA, United StatesHQ checked Sep 18, 20261,001-5,0003,130 contacts →

Strong evidence

“Enphase Energy is a global energy technology company and the world’s leading supplier of microinverter-based solar and battery systems.”

Source: RevenueBase Database · checked Sep 18, 2026
2Partial evidenceProvo, UT, United StatesHQ checked Sep 18, 2026501-1,000912 contacts →

Partial evidence

“Ion Solar is a premium, full-service solar provider.”

Source: RevenueBase Database · checked Sep 18, 2026
3Partial evidenceAlbuquerque, NM, United StatesHQ checked Sep 18, 20261,001-5,000890 contacts →

Partial evidence

“ARRAY Technologies (NASDAQ: ARRY) is a leading American company and global provider of utility-scale solar tracker technology.”

Source: RevenueBase Database · checked Sep 18, 2026
4Indirect evidenceChandler, AZ, United StatesHQ checked Sep 18, 2026501-1,000631 contacts →

Indirect evidence

“NovaSource Power Services (“NovaSource”), a portfolio company of Clairvest Group Inc.(“Clairvest”, TSX: CVG) and OMERS Private Equity, the private equity arm of OMERS, is the…”

Source: RevenueBase Database · checked Sep 18, 2026
5Partial evidenceScottsdale, AZ, United StatesHQ checked Sep 18, 20261,001-5,000624 contacts →

Partial evidence

“DEPCOM Power, a Koch Engineered Solutions Company, is a leading solar energy solutions partner providing Development Support, Engineering, Procurement & Construction (EPC)…”

Source: RevenueBase Database · checked Sep 18, 2026
6Partial evidenceBoston, MA, United StatesHQ checked Sep 18, 2026201-500607 contacts →

Partial evidence

“Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.”

Source: RevenueBase Database · checked Sep 18, 2026
7Partial evidenceSan Luis Obispo, CA, United StatesHQ checked Sep 18, 2026n/a471 contacts →

Partial evidence

“Founded in 1997, REC Solar has emerged as a leader in the solar industry, installing 800+ solar and storage solutions for commercial and public sector customers nationwide.”

Source: RevenueBase Database · checked Sep 18, 2026
8Partial evidenceSanta Ana, CA, United StatesHQ checked Sep 18, 20261,001-5,000459 contacts →

Partial evidence

“EnergyAid acquired Titan Solar Power's intellectual property (IP) in March of 2025 through bankruptcy court.”

Source: RevenueBase Database · checked Sep 18, 2026
9Indirect evidenceDenver, United StatesHQ checked Sep 18, 2026501-1,000379 contacts →

Indirect evidence

“Established in 2019.”

Source: RevenueBase Database · checked Sep 18, 2026
10Partial evidenceAustin, TX, United StatesHQ checked Sep 18, 2026501-1,000259 contacts →

Partial evidence

“Freedom Solar Power is the leader in turnkey solar installations in Texas, Colorado, Florida, Virginia and North Carolina, providing high quality, cost-effective, reliable solar…”

Source: RevenueBase Database · checked Sep 18, 2026
11Strong evidenceAustin, TX, United StatesHQ checked Sep 18, 202651-200258 contacts →

Strong evidence

“FTC Solar is a fast-growing, global provider of solar tracker systems, technology, software, and engineering services.”

Source: RevenueBase Database · checked Sep 18, 2026
12Partial evidenceSt Paul, MN, United StatesHQ checked Sep 18, 2026201-500218 contacts →

Partial evidence

“Novel Energy delivers solar energy solutions helping provide sustainable options to meet evolving energy needs.”

Source: RevenueBase Database · checked Sep 18, 2026
13Indirect evidenceSanta Ana, CA, United StatesHQ checked Sep 18, 2026201-500191 contacts →

Indirect evidence

“EnergyAid acquired Solcius's intellectual property (IP) in March of 2025 through bankruptcy court.”

Source: RevenueBase Database · checked Sep 18, 2026
14Partial evidenceHouston, TX, United StatesHQ checked Sep 18, 202651-200186 contacts →

Partial evidence

“Spruce Power is one of the largest owner-operators of residential solar portfolios in the US.”

Source: RevenueBase Database · checked Sep 18, 2026
15Partial evidenceBrooklyn, MD, United StatesHQ checked Sep 18, 2026201-500182 contacts →

Partial evidence

“Green World Renewable Energy delivers smart, scalable solar engineering and back-office design solutions for residential, commercial, and utility-scale projects across the U.S.”

Source: RevenueBase Database · checked Sep 18, 2026
16Partial evidenceSt Paul, MN, United StatesHQ checked Sep 18, 202651-200165 contacts →

Partial evidence

“All Energy Solar is a trusted leader in the solar energy industry.”

Source: RevenueBase Database · checked Sep 18, 2026
17Strong evidenceMather, CA, United StatesHQ checked Sep 18, 2026201-500165 contacts →

Strong evidence

“The smartest eBOS in solar We manufacture simpler electrical systems that save time, cut labor, and reduce total installation cost.”

Source: RevenueBase Database · checked Sep 18, 2026
18Partial evidenceLongmont, CO, United StatesHQ checked Sep 18, 202651-200163 contacts →

Partial evidence

“We help you capture the benefits of clean solar energy.”

Source: RevenueBase Database · checked Sep 18, 2026
19Partial evidenceSan Ramon, CA, United StatesHQ checked Sep 18, 202651-200157 contacts →

Partial evidence

“Founded in 1998, Solar Technologies has installed more than solar panels and helped thousands of Bay Area home and business owners save money with solar.”

Source: RevenueBase Database · checked Sep 18, 2026
20Indirect evidenceIrving, TX, United StatesHQ checked Sep 18, 202651-200156 contacts →

Indirect evidence

“Cleanleaf, formerly known as Borrego O&M, stands at the forefront of the renewable energy sector.”

Source: RevenueBase Database · checked Sep 18, 2026
21Indirect evidenceManteca, CA, United StatesHQ checked Sep 18, 2026201-500153 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 18, 2026
22Partial evidenceLehi, UT, United StatesHQ checked Sep 18, 202651-200130 contacts →

Partial evidence

“Encōr Solar was founded in 2016.”

Source: RevenueBase Database · checked Sep 18, 2026
23Partial evidenceSand City, CA, United StatesHQ checked Sep 18, 202651-200116 contacts →

Partial evidence

“GroundWork Renewables is the leading provider of high-quality meteorological (MET) data and ISO-accredited PV lab testing to give solar plant owners complete situational awareness…”

Source: RevenueBase Database · checked Sep 18, 2026
24Partial evidenceSomerville, MA, United StatesHQ checked Sep 18, 202651-200110 contacts →

Partial evidence

“Raptor Maps is on a mission to make solar energy the smartest, most reliable, and most competitive source of electricity in the global economy.”

Source: RevenueBase Database · checked Sep 18, 2026
25Indirect evidenceRiverside, CA, United StatesHQ checked Sep 18, 2026201-500105 contacts →

Indirect evidence

“SolarMax Technology, Inc.”

Source: RevenueBase Database · checked Sep 18, 2026

Showing 25 of 890 solar system monitoring companies based in the United States

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Solar system monitoring companies based in the United States at a glance

As of Sep 18, 2026
35.4%Verified-email coverage
23.1Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Austin
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
315
11-50
393
51-200
129
201-500
31
501-1,000
9
1,001-5,000
6
5,001-10,000
2
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 890 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among solar system monitoring companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “solar system monitoring companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names solar system monitoring companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among solar system monitoring companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 7,283 across the full list. 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 18, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names solar system monitoring companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many solar system monitoring companies are there based in the United States?

RevenueBase identified 890 solar system monitoring companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Enphase Energy, headquartered in Fremont, tops this list with the largest team on record.

Which city has the most solar system monitoring companies?

Austin leads with 18 headquartered companies, followed by Houston (17) and Los Angeles (17).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,283 verified decision-maker contacts tracked across these 890 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 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 Smart Search, 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.