Company lists · Data refreshed September 2026
Top 25 Carbon-free energy providers based in the United States
RevenueBase identified 1,237 company matches for carbon-free energy providers associated with the United States as of September 2026 and tracks 98,049 professional contacts across them, including 25,418 with verified work emails. Houston is the largest hub.
This list covers company matches for carbon-free energy providers associated with the 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.
The 25 largest carbon-free energy providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 31,976 contacts → | ||||
Exact match “Dominion Energy (NYSE: D), headquartered in Richmond, Va, provides regulated electricity service to 3.6 million homes and businesses in Virginia, North Carolina, and South…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 9,458 contacts → | ||||
Exact match “Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 7,974 contacts → | ||||
Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 5,036 contacts → | ||||
Exact match “High reliability, low prices and high customer satisfaction are cornerstones of our customer commitment, but it doesn't end there.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 2,466 contacts → | ||||
Exact match “Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company, based in Irving, Texas, that provides essential resources to customers…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 2,112 contacts → | ||||
Exact match “A business unit of Constellation (NASDAQ: CEG), Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with operations in…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 1,645 contacts → | ||||
Exact match “Established in 1997, Just Energy has been a leading retail energy provider serving markets across the United States and Canada.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 1,499 contacts → | ||||
Exact match “Austin Energy is one of the largest publicly owned electric utilities in the nation, providing low-cost reliable power to more than customers and more than 1 million residents.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 1,388 contacts → | ||||
Exact match “IGS Energy has been a trusted energy advisor since 1989, growing into one of the nation’s top energy retailers.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 1,286 contacts → | ||||
Exact match “SOLV Energy is a renewable energy solutions provider for utility solar, energy storage, and high voltage projects in North America.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 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 16, 2026 · View company records in RevenueBase | |||||
| 12 | 889 contacts → | ||||
Exact match “TXU Energy has a long-standing history of doing the right things for our customers.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 795 contacts → | ||||
Exact match “Clearway Energy Group’s vision is a world powered by clean energy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 719 contacts → | ||||
Exact match “We’re on a mission to make power personal.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 705 contacts → | ||||
Exact match “At Dynegy, we deliver more than just power to residential, municipal, commercial, and industrial customers across several states.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 607 contacts → | ||||
Exact match “Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 594 contacts → | ||||
Exact match “Apex Clean Energy was founded with a singular focus: to accelerate the shift to clean energy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 507 contacts → | ||||
Exact match “PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 500 contacts → | ||||
Exact match “Atlas Renewable Energy delivers clean energy at scale.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 428 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 390 contacts → | ||||
Exact match “At Rocky Mountain Power we believe in our promise of public service: an obligation to deliver safe, reliable electricity at an affordable price in an environmentally sustainable…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 386 contacts → | ||||
Exact match “LRE (Leeward Renewable Energy) is forging an American energy future with integrity, innovation, and positive impact.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 370 contacts → | ||||
Exact match “Supernova embodies the spirit of innovation and dedication to a sustainable future, making it a shining example of what it means to be a leader in the renewable energy industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 368 contacts → | ||||
Exact match “V3 was founded as a response to the stagnation within the energy industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 320 contacts → | ||||
Exact match “We are well-positioned as a provider of resilient, reliable and competitively-priced energy with operations across the nation.” 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 “carbon-free energy providers”. 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 1,237 carbon-free energy providers based in the United States
See the full list, filter by size, metro and specialty, and access 25,418 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Carbon-free energy providers based in the United States at a glance
As of Sep 16, 2026Companies by employee count
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 1,237 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 the United States whose business descriptions match “carbon-free energy providers” 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 25,418 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.
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 “carbon-free energy providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many carbon-free energy providers are there based in the United States?
RevenueBase identified 1,237 company matches for carbon-free energy providers associated with the 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?
Dominion Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most carbon-free energy providers?
Houston leads with 43 company records, followed by New York (28) and Austin (24).
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 25,418 professional contacts with verified work emails tracked across these 1,237 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 1,237 carbon-free energy providers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Carbon-free energy providers by geography
- Carbon-free energy providers based in Belo Horizonte, Brazil
- Carbon-free energy providers based in Curitiba, Brazil
- Carbon-free energy providers based in Fortaleza, Brazil
- Carbon-free energy providers based in Sao Paulo, Brazil
- Carbon-free energy providers based in Ahmedabad, India
- Carbon-free energy providers based in Mumbai, India
- Carbon-free energy providers based in New Delhi, India
- Carbon-free energy providers based in Argentina
- Carbon-free energy providers based in Australia
- Carbon-free energy providers based in Austria
- Carbon-free energy providers based in Belgium
- Carbon-free energy providers based in Brazil
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Carbon-free energy providers based in Belo Horizonte, Brazil
- Carbon-free energy providers based in Curitiba, Brazil
- Carbon-free energy providers based in Fortaleza, Brazil
- Carbon-free energy providers based in Sao Paulo, Brazil
- Carbon-free energy providers based in Ahmedabad, India
- Carbon-free energy providers based in Mumbai, India
Company intelligence · public preview
Top 25 carbon-free energy providers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,237 matching company records for carbon-free energy providers based in the United States, with 98,049 tracked contacts and 25,418 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 carbon-free energy providers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Dominion Energydominionenergy.comHQ: Richmond, VA, United StatesReported employees: 10001+ | Richmond, VA, United States | 10001+ | Exact match | 31,976 contacts → |
“Dominion Energy (NYSE: D), headquartered in Richmond, Va, provides regulated electricity service to 3.6 million homes and businesses in Virginia, North Carolina, and South…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Constellationconstellationenergy.comHQ: Baltimore, MD, United StatesReported employees: 10001+ | Baltimore, MD, United States | 10001+ | Exact match | 9,458 contacts → |
“Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sunrunsunrun.comHQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 7,974 contacts → |
“Life runs on clean energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Georgia Power Companygeorgiapower.comHQ: Atlanta, GA, United StatesReported employees: 10001+ | Atlanta, GA, United States | 10001+ | Exact match | 5,036 contacts → |
“High reliability, low prices and high customer satisfaction are cornerstones of our customer commitment, but it doesn't end there.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Vistra Corpvistracorp.comHQ: Irving, TX, United StatesReported employees: 5,001-10,000 | Irving, TX, United States | 5,001-10,000 | Exact match | 2,466 contacts → |
“Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company, based in Irving, Texas, that provides essential resources to customers…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Calpinecalpine.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,112 contacts → |
“A business unit of Constellation (NASDAQ: CEG), Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with operations in…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Just Energyjustenergy.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,645 contacts → |
“Established in 1997, Just Energy has been a leading retail energy provider serving markets across the United States and Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Austin Energyaustinenergy.comHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 1,499 contacts → |
“Austin Energy is one of the largest publicly owned electric utilities in the nation, providing low-cost reliable power to more than customers and more than 1 million residents.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  IGS Energyigs.comHQ: Dublin, OH, United StatesReported employees: 1,001-5,000 | Dublin, OH, United States | 1,001-5,000 | Exact match | 1,388 contacts → |
“IGS Energy has been a trusted energy advisor since 1989, growing into one of the nation’s top energy retailers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Solv Energysolvenergy.comHQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 1,286 contacts → |
“SOLV Energy is a renewable energy solutions provider for utility solar, energy storage, and high voltage projects in North America.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sunnova Energysunnova.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 906 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TXU Energytxu.com HQ: Irving, TX, United StatesReported employees: 5,001-10,000 | Irving, TX, United States | 5,001-10,000 | Exact match | 889 contacts → |
“TXU Energy has a long-standing history of doing the right things for our customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Clearway Energy Groupclearwayenergygroup.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 795 contacts → |
“Clearway Energy Group’s vision is a world powered by clean energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  LUMIOlumio.comHQ: Lehi, UT, United StatesReported employees: 5,001-10,000 | Lehi, UT, United States | 5,001-10,000 | Exact match | 719 contacts → |
“We’re on a mission to make power personal.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Dynegydynegy.comHQ: Irving, TX, United StatesReported employees: 5,001-10,000 | Irving, TX, United States | 5,001-10,000 | Exact match | 705 contacts → |
“At Dynegy, we deliver more than just power to residential, municipal, commercial, and industrial customers across several states.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nexampnexamp.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 607 contacts → |
“Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Apex Clean Energyapexcleanenergy.comHQ: Charlottesville, VA, United StatesReported employees: 201-500 | Charlottesville, VA, United States | 201-500 | Exact match | 594 contacts → |
“Apex Clean Energy was founded with a singular focus: to accelerate the shift to clean energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Posigenposigen.comHQ: St. Rose, LA, United StatesReported employees: 501-1,000 | St. Rose, LA, United States | 501-1,000 | Exact match | 507 contacts → |
“PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Atlas Renewable Energyatlasrenewableenergy.comHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 500 contacts → |
“Atlas Renewable Energy delivers clean energy at scale.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Enfinity Globalenfinity.globalHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 428 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Rocky Mountain Powerrockymountainpower.netHQ: Salt Lake City, UT, United StatesReported employees: 5,001-10,000 | Salt Lake City, UT, United States | 5,001-10,000 | Exact match | 390 contacts → |
“At Rocky Mountain Power we believe in our promise of public service: an obligation to deliver safe, reliable electricity at an affordable price in an environmentally sustainable…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Leeward Renewable Energylreus.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 386 contacts → |
“LRE (Leeward Renewable Energy) is forging an American energy future with integrity, innovation, and positive impact.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Supernovasupernovaenergy.solarHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 370 contacts → |
“Supernova embodies the spirit of innovation and dedication to a sustainable future, making it a shining example of what it means to be a leader in the renewable energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  V3 Electric, INCv3electric.comHQ: El Dorado Hills, CA, United StatesReported employees: 201-500 | El Dorado Hills, CA, United States | 201-500 | Exact match | 368 contacts → |
“V3 was founded as a response to the stagnation within the energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Alleteallete.comHQ: Duluth, MN, United StatesReported employees: 1,001-5,000 | Duluth, MN, United States | 1,001-5,000 | Exact match | 320 contacts → |
“We are well-positioned as a provider of resilient, reliable and competitively-priced energy with operations across the nation.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,237 company matches
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Carbon-free energy providers: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,232 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,237 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for carbon-free energy providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many carbon-free energy providers did RevenueBase find based in the United States?
The saved snapshot records 1,237 matching company records, 98,049 tracked contacts and 25,418 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Carbon-free energy providers by geography
- Carbon-free energy providers based in Belo Horizonte, Brazil
- Carbon-free energy providers based in Curitiba, Brazil
- Carbon-free energy providers based in Fortaleza, Brazil
- Carbon-free energy providers based in Sao Paulo, Brazil
- Carbon-free energy providers based in Ahmedabad, India
- Carbon-free energy providers based in Mumbai, India
- Carbon-free energy providers based in New Delhi, India
- Carbon-free energy providers based in Argentina
- Carbon-free energy providers based in Australia
- Carbon-free energy providers based in Austria
- Carbon-free energy providers based in Belgium
- Carbon-free energy providers based in Brazil
Cite this list
RevenueBase Data Team. Top 25 carbon-free energy providers based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/carbon-free-energy-providers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Carbon-free energy providers based in Belo Horizonte, Brazil
- Carbon-free energy providers based in Curitiba, Brazil
- Carbon-free energy providers based in Fortaleza, Brazil
- Carbon-free energy providers based in Sao Paulo, Brazil
- Carbon-free energy providers based in Ahmedabad, India
- Carbon-free energy providers based in Mumbai, India
Company intelligence · public preview
Top 25 carbon-free energy providers based in the United States
RevenueBase records 1,237 matching company records for carbon-free energy providers based in the United States, with 98,049 tracked contacts and 25,418 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 carbon-free energy providers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Dominion Energydominionenergy.com HQ: Richmond, VA, United StatesReported employees: 10001+ | Richmond, VA, United States | 10001+ | Exact match | 31,976 contacts → |
“Dominion Energy (NYSE: D), headquartered in Richmond, Va, provides regulated electricity service to 3.6 million homes and businesses in Virginia, North Carolina, and South…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Constellationconstellationenergy.com HQ: Baltimore, MD, United StatesReported employees: 10001+ | Baltimore, MD, United States | 10001+ | Exact match | 9,458 contacts → |
“Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sunrunsunrun.com HQ: San Francisco, CA, United StatesReported employees: 10001+ | San Francisco, CA, United States | 10001+ | Exact match | 7,974 contacts → |
“Life runs on clean energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Georgia Power Companygeorgiapower.com HQ: Atlanta, GA, United StatesReported employees: 10001+ | Atlanta, GA, United States | 10001+ | Exact match | 5,036 contacts → |
“High reliability, low prices and high customer satisfaction are cornerstones of our customer commitment, but it doesn't end there.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vistra Corpvistracorp.com HQ: Irving, TX, United StatesReported employees: 5,001-10,000 | Irving, TX, United States | 5,001-10,000 | Exact match | 2,466 contacts → |
“Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company, based in Irving, Texas, that provides essential resources to customers…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Calpinecalpine.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,112 contacts → |
“A business unit of Constellation (NASDAQ: CEG), Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources with operations in…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Just Energyjustenergy.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,645 contacts → |
“Established in 1997, Just Energy has been a leading retail energy provider serving markets across the United States and Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Austin Energyaustinenergy.com HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 1,499 contacts → |
“Austin Energy is one of the largest publicly owned electric utilities in the nation, providing low-cost reliable power to more than customers and more than 1 million residents.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IGS Energyigs.com HQ: Dublin, OH, United StatesReported employees: 1,001-5,000 | Dublin, OH, United States | 1,001-5,000 | Exact match | 1,388 contacts → |
“IGS Energy has been a trusted energy advisor since 1989, growing into one of the nation’s top energy retailers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Solv Energysolvenergy.com HQ: San Diego, CA, United StatesReported employees: 1,001-5,000 | San Diego, CA, United States | 1,001-5,000 | Exact match | 1,286 contacts → |
“SOLV Energy is a renewable energy solutions provider for utility solar, energy storage, and high voltage projects in North America.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sunnova Energysunnova.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 906 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TXU Energytxu.com HQ: Irving, TX, United StatesReported employees: 5,001-10,000 | Irving, TX, United States | 5,001-10,000 | Exact match | 889 contacts → |
“TXU Energy has a long-standing history of doing the right things for our customers.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Clearway Energy Groupclearwayenergygroup.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 795 contacts → |
“Clearway Energy Group’s vision is a world powered by clean energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | LUMIOlumio.com HQ: Lehi, UT, United StatesReported employees: 5,001-10,000 | Lehi, UT, United States | 5,001-10,000 | Exact match | 719 contacts → |
“We’re on a mission to make power personal.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dynegydynegy.com HQ: Irving, TX, United StatesReported employees: 5,001-10,000 | Irving, TX, United States | 5,001-10,000 | Exact match | 705 contacts → |
“At Dynegy, we deliver more than just power to residential, municipal, commercial, and industrial customers across several states.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nexampnexamp.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 607 contacts → |
“Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Apex Clean Energyapexcleanenergy.com HQ: Charlottesville, VA, United StatesReported employees: 201-500 | Charlottesville, VA, United States | 201-500 | Exact match | 594 contacts → |
“Apex Clean Energy was founded with a singular focus: to accelerate the shift to clean energy.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Posigenposigen.com HQ: St. Rose, LA, United StatesReported employees: 501-1,000 | St. Rose, LA, United States | 501-1,000 | Exact match | 507 contacts → |
“PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Atlas Renewable Energyatlasrenewableenergy.com HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 500 contacts → |
“Atlas Renewable Energy delivers clean energy at scale.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Enfinity Globalenfinity.global HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 428 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Rocky Mountain Powerrockymountainpower.net HQ: Salt Lake City, UT, United StatesReported employees: 5,001-10,000 | Salt Lake City, UT, United States | 5,001-10,000 | Exact match | 390 contacts → |
“At Rocky Mountain Power we believe in our promise of public service: an obligation to deliver safe, reliable electricity at an affordable price in an environmentally sustainable…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Leeward Renewable Energylreus.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 386 contacts → |
“LRE (Leeward Renewable Energy) is forging an American energy future with integrity, innovation, and positive impact.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Supernovasupernovaenergy.solar HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 370 contacts → |
“Supernova embodies the spirit of innovation and dedication to a sustainable future, making it a shining example of what it means to be a leader in the renewable energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | V3 Electric, INCv3electric.com HQ: El Dorado Hills, CA, United StatesReported employees: 201-500 | El Dorado Hills, CA, United States | 201-500 | Exact match | 368 contacts → |
“V3 was founded as a response to the stagnation within the energy industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Alleteallete.com HQ: Duluth, MN, United StatesReported employees: 1,001-5,000 | Duluth, MN, United States | 1,001-5,000 | Exact match | 320 contacts → |
“We are well-positioned as a provider of resilient, reliable and competitively-priced energy with operations across the nation.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,237 company matches
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Carbon-free energy providers: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,232 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,237 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for carbon-free energy providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many carbon-free energy providers did RevenueBase find based in the United States?
The saved snapshot records 1,237 matching company records, 98,049 tracked contacts and 25,418 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 carbon-free energy providers based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/carbon-free-energy-providers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Carbon-free energy providers based in Belo Horizonte, Brazil
- Carbon-free energy providers based in Curitiba, Brazil
- Carbon-free energy providers based in Fortaleza, Brazil
- Carbon-free energy providers based in Sao Paulo, Brazil
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- Carbon-free energy providers based in Mumbai, India