Company lists · Data refreshed September 2026

Top 25 Private equity climate funds based in the United States

RevenueBase identified 464 company matches for private equity climate funds associated with the United States as of September 2026 and tracks 5,447 professional contacts across them, including 2,670 with verified work emails. New York is the largest hub.

This list covers company matches for private equity climate funds 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 29, 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 29, 2026 How this list was built
464Companies
5,447Contacts tracked
2,670Verified emails
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The 25 largest private equity climate funds based in the United States

Ranked by team size
Top 25 of 464 company matches for private equity climate funds based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchWashington, DC, United StatesHQ recorded Sep 29, 202651-200199 contacts →

Exact match

“EIG is a leading institutional investor in the global energy and infrastructure sectors with $27.9 billion assets under management as of June 30, 2026.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchAnnapolis, MD, United StatesHQ recorded Sep 29, 202651-200196 contacts →

Exact match

“HASI invests in sustainable infrastructure assets advancing the energy transition.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202651-200173 contacts →

Exact match

“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchKirkland, United StatesHQ recorded Sep 29, 202651-200159 contacts →

Exact match

“Breakthrough Energy backs companies developing the next generation of clean energy solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200141 contacts →

Exact match

“As a multi-strategy investment manager and independent power producer, Greenbacker Renewable Energy Company (Greenbacker) is empowering a sustainable world by connecting…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchSummit, NJ, United StatesHQ recorded Sep 29, 202651-200123 contacts →

Exact match

“ECP (Energy Capital Partners) is an investor in critical infrastructure focused on electrification, decarbonization, reliability and sustainability.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202651-200119 contacts →

Exact match

“Founded in 2017, Ara Partners is a global private markets firm focused on decarbonizing the industrial economy.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-200106 contacts →

Exact match

“Speed and efficiency are the cornerstones of climate finance.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 29, 202651-20091 contacts →

Exact match

“ACON Investments is a private equity investment firm led by a cohesive team that has been investing together for over 25 years.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchDallas, TX, United StatesHQ recorded Sep 29, 202651-20072 contacts →

Exact match

“It is undeniable that energy is an essential part of modern life.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 29, 202651-20071 contacts →

Exact match

“CIF is one of the world’s largest multilateral funds helping low- and middle-income countries adapt to and mitigate climate change.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchHonolulu, HI, United StatesHQ recorded Sep 29, 202651-20062 contacts →

Exact match

“Elemental Impact is a nonprofit investing platform with 15 years of experience advancing innovative technology that creates lasting economic and climate benefits across…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchBethesda, MD, United StatesHQ recorded Sep 29, 202611-5060 contacts →

Exact match

“GreenGen is a global leader in energy and sustainability solutions, empowering organizations to Operate in the Green®.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchWestport, CT, United StatesHQ recorded Sep 29, 202611-5059 contacts →

Exact match

“True Green Capital Management LLC (“TGC”) is a specialized renewable energy infrastructure fund manager with a focus in distributed power generation in the US and Europe.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchBethesda, MD, United StatesHQ recorded Sep 29, 202611-5058 contacts →

Exact match

“Calvert Impact is a global impact investment firm that helps everyday investors and financial professionals invest in solutions that benefit people and the planet.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchArlington, VA, United StatesHQ recorded Sep 29, 202611-5055 contacts →

Exact match

“GEF Capital Partners was formed in March 2018 following the completion of a collaborative spinoff from Global Environment Fund, a pioneer in global sustainability and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchDallas, TX, United StatesHQ recorded Sep 29, 202651-20055 contacts →

Exact match

“Panda Power Funds was formed in 2010 by the former senior management team and energy professionals of Panda Energy International, an independent power development and management…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5054 contacts →

Exact match

“Tiger Infrastructure Partners is an innovative private equity firm focused on providing transformational growth capital to middle market infrastructure companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchPalo Alto, CA, United StatesHQ recorded Sep 29, 202611-5054 contacts →

Exact match

“One of the largest mission-aligned firms in the world, Capricorn Investment Group was born from a belief that sustainable investment practices can enhance risk-adjusted returns.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202611-5054 contacts →

Exact match

“Founded in 1989, SCF Partners (“SCF”) provides equity capital and strategic growth assistance to build leading energy service and equipment companies that operate throughout the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchBoston, MA, United StatesHQ recorded Sep 29, 202611-5054 contacts →

Exact match

“Clean Energy Ventures is a venture capital firm focused on investing in companies commercializing disruptive advanced energy technologies and business model innovations that can…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202611-5052 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchCambridge, MA, United StatesHQ recorded Sep 29, 202611-5047 contacts →

Exact match

“Sunwealth’s mission is to invest in the future of energy, generating financial, social and environmental returns for investors and communities.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5047 contacts →

Exact match

“CREO is a 501(c)(3) not-for-profit organization that is helping mobilize more private capital into low-carbon and resource-efficient solutions by working with a network of…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202651-20047 contacts →

Exact match

“RRG Capital Management LLC, a Renewable Resources Group LLC company,(collectively, “RRG”) strives to create value for investors and partners in the sustainable agriculture, food…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 464 private equity climate funds based in the United States

See the full list, filter by size, metro and specialty, and access 2,670 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Private equity climate funds based in the United States at a glance

As of Sep 29, 2026
49.0%Verified-email coverage
11.7Average contacts per company
1-10Median size (employees)
19.2%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
297
11-50
136
51-200
29
201-500
1
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 464 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 “private equity climate funds” 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 2,670 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 29, 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 “private equity climate funds”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many private equity climate funds are there based in the United States?

RevenueBase identified 464 company matches for private equity climate funds 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?

EIG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most private equity climate funds?

New York leads with 89 company records, followed by San Francisco (30) and Houston (26).

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 2,670 professional contacts with verified work emails tracked across these 464 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 29, 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.