Company lists · Data refreshed September 2026

Top 22 Clean energy software startups based in New York, United States

RevenueBase identified 34 company matches for clean energy software startups associated with New York, United States as of September 2026 and tracks 804 professional contacts across them, including 372 with verified work emails. Across the United States, Houston is the largest hub for this category (68 companies); New York has 34.

This list covers company matches for clean energy software startups associated with New York, 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 27, 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 27, 2026 How this list was built
34Companies
804Contacts tracked
372Verified emails
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The 22 largest clean energy software startups based in New York, United States

Ranked by team size
Top 22 of 34 company matches for clean energy software startups based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-200216 contacts →

Exact match

“HOC, founded in 2001, specializes in building software for the energy trading and financial services sectors.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-20097 contacts →

Exact match

“Aspen's highly experienced team of experts across financing, development, construction, and asset management of distributed clean energy assets is the ideal partner for local…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-20067 contacts →

Exact match

“Onyx Renewables is a leading provider of predictable, affordable clean energy solutions nationwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5065 contacts →

Exact match

“Common Energy works with developers across the country to activate their clean energy projects and maximize ROI.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5051 contacts →

Exact match

“INF Associates is an energy solutions integrator providing turnkey solutions in decarbonization of transportation and buildings.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5039 contacts →

Exact match

“Tango Energy & Sustainability (fka WatchWire) is a sustainability and energy management software-as-a-service (EMSaaS) provider.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchNew York, United StatesHQ recorded Sep 27, 202611-5027 contacts →

Exact match

“Catalyst Power develops novel and highly repeatable energy supply options for commercial and industrial end-users of all sizes.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5023 contacts →

Exact match

“Empowered Buildings empowers owners and managers with advanced energy efficiency technologies to reduce emissions, lower costs, ensure compliance, and optimize overall building…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-20015 contacts →

Exact match

“Listen To Your Building Artis Energy™, through its subsidiaries Artis Energy Intelligence and Artis Energy Solutions, brings a unique combination of analytics, technology and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchNew York, United StatesHQ recorded Sep 27, 202611-5015 contacts →

Exact match

“SOLO is a sustainable energy service company specializing in energy efficiency, electrification, and renewable solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-5011 contacts →

Exact match

“Our mission is to accelerate the transition to clean, distributed, and affordable energy systems.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-1011 contacts →

Exact match

“Scaling decarbonization through powerful software solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-2009 contacts →

Exact match

“Scope 5 is now part of Environ Energy, a leader in accelerating global sustainable energy transformation for more than 30 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-107 contacts →

Exact match

“Perl Street provides portfolio management software that enables distributed energy companies to grow and meet the challenges of an emerging asset class.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchNew York, United StatesHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Bitgreen develops software products that introduce scalability, accessibility, and efficiency in renewable energy development and sustainable finance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-106 contacts →

Exact match

“EHI Cleantech Ventures is committed to identifying and nurturing the next generation of clean technology startups.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Solar Collective plans, builds and finances clean energy projects.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-103 contacts →

Exact match

“CleanTechIQ is a company based out of New York, NY, United States.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Upward is a software platform that collects, analyzes, and stores building energy data for energy solutions companies.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-2001 contacts →

Exact match

“ClearCell Power is a WBENC- and MWBE-certified renewable energy infrastructure developer specializing in fuel cells, hydrogen, battery energy storage (BESS), and solar solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202611-501 contacts →

Exact match

“Renewable Energy, Electric Vehicle Charging, Green Cities, Energy Storage, Microgrids, Solar, Biomass”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261-101 contacts →

Exact match

“At FEAT Solutions, we believe that buildings have untapped potential-not just to function efficiently but to contribute meaningfully to a sustainable future.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 22 of 34 clean energy software startups based in New York, United States

See the full list, filter by size, metro and specialty, and access 372 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clean energy software startups based in New York, United States at a glance

As of Sep 27, 2026
46.3%Verified-email coverage
23.6Average contacts per company
11-50Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
11
11-50
15
51-200
8

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 34 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 New York, United States whose business descriptions match “clean energy software startups” 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 372 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 27, 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.

Clean energy software startups 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 “clean energy software startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clean energy software startups are there based in New York, United States?

RevenueBase identified 34 company matches for clean energy software startups associated with New York, 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?

HOC INC 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 clean energy software startups?

Houston leads the United States with 68 company records, followed by San Francisco (40) and New York (34).

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 372 professional contacts with verified work emails tracked across these 34 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 27, 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.