Company lists · Data refreshed September 2026

Top 25 Renewable energy developers based in Houston, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 86 companies tracked

RevenueBase identified 86 company matches for renewable energy developers associated with Houston, United States as of September 2026 and tracks 3,004 professional contacts across them, including 672 with verified work emails. Across the United States, New York is the largest hub for this category (102 companies); Houston follows with 86.

This list covers company matches for renewable energy developers associated with Houston, 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 17, 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 17, 2026 How this list was built

86Companies

3,004Contacts tracked

672Verified emails

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The 25 largest renewable energy developers based in Houston, United States

Ranked by team size

Top 25 of 86 company matches for renewable energy developers based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	906 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 · Sep 17, 2026 · View company records in RevenueBase
2	EDP Renewables North America	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	425 contacts →
	Exact match “EDP Renewables North America LLC (EDPR NA), its affiliates, and its subsidiaries develop, construct, own, and operate wind farms, solar parks, and energy storage systems…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Signal Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1,001-5,000	409 contacts →
	Exact match “Signal Energy is a leading full service design/build contractor providing Engineering, Procurement, and Construction (EPC) services for renewable energy & infrastructure projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Spruce Power	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	186 contacts →
	Exact match “Spruce Power is one of the largest owner-operators of residential solar portfolios in the US.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Catalyze	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	156 contacts →
	Exact match “Founded in 2017, Catalyze is a fully integrated developer and Independent Power Producer (IPP) of distributed renewable energy assets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Clean Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	101 contacts →
	Exact match “Clean Energy Services provides reliable services for renewable assets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Tokyo GAS America LTD	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	52 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Fastrac Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “At FASTRAC Energy Services, we specialize in providing comprehensive solar energy solutions that help homeowners and businesses save on energy costs while contributing to a their…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Radial Power	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	42 contacts →
	Exact match “Radial Power is a national developer, owner, and operator of distributed solar and storage projects serving commercial, industrial, and community solar customers across the United…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Renewa	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	36 contacts →
	Exact match “Renewa is a renewables company focused on acquisitions and investments within the solar, wind and renewable energy industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Chariot Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	33 contacts →
	Exact match “Chariot Energy is a retail electricity provider and energy solutions company serving residential, commercial, and industrial customers across competitive U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Bioeco Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “Bioeco Energy’s alternative energy solutions capture the renewable power of the sun, fueling new possibilities for your business and home.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Sunshine Renewable Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Texas' first NABCEP Accredited PV Installation Company • NABCEP Certified PV Installation Professional # PV-102117-017952 Sunshine Renewable Solutions was established to address…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Powertransitions	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “PowerTransitions® acquires operating and retired power generation and industrial facilities to transform them into modern, resilient energy infrastructure campuses.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Wattbridge	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	14 contacts →
	Exact match “WattBridge Energy is a Houston, Texas-based global independent power producer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	547 Energy	Exact match	Houston, United StatesHQ recorded Sep 17, 2026	1-10	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Connectgen LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “CONNECTING POWER, PROJECTS & PEOPLE ConnectGEN is developing renewable energy and energy storage projects across North America.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Clean Line Energy Partners	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Clean Line Energy is developing a series of transmission lines that will deliver thousands of megawatts of renewable power from the windiest areas of the United States to…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	KNS Solar	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	10 contacts →
	Exact match “Headquartered in Houston, TX right inside the Energy Corridor, KNS Solar, LLC, is a strategic international energy and project development corporation, with a combined experience…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Bildmore	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “Bildmore is a startup led by CEO David Haug, backed by EnCap Energy Transition Fund (EETF), a leader in energy transition private equity investments.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Solea Power Corp	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “At Solea, we provide exceptional service by designing tailored solutions for Texan landowners that share a vision for local, reliable, and clean energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Almika	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	6 contacts →
	Exact match “Almika is set on disrupting how electricity is produced and consumed in today’s energy markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Merit SI	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Merit SI is a sustainable infrastructure company that develops, designs, builds and operates industrial-grade solar photovoltaic power plants, energy storage solutions, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Haddington Ventures	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Founded in 1998, Haddington Ventures oversees a growing portfolio of successful conventional and renewable energy businesses that are bringing innovative new infrastructure to the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Akari Energy LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Solar power development” Recorded in the RevenueBase company graph · Sep 17, 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 “renewable 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 25 of 86 renewable energy developers based in Houston, United States

See the full list, filter by size, metro and specialty, and access 672 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy developers based in Houston, United States at a glance

As of Sep 17, 2026

22.4%Verified-email coverage

34.9Average contacts per company

11-50Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 86 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 Houston, United States whose business descriptions match “renewable 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 672 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 17, 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.

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

How many renewable energy developers are there based in Houston, United States?

RevenueBase identified 86 company matches for renewable energy developers associated with Houston, 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?

Sunnova Energy 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 renewable energy developers?

New York leads the United States with 102 company records, followed by Houston (86) and Austin (58).

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 672 professional contacts with verified work emails tracked across these 86 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 17, 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.