Company lists · Data refreshed September 2026

Top 21 Green energy private equity firms based in Boston, United States

RevenueBase identified 31 company matches for green energy private equity firms associated with Boston, United States as of September 2026 and tracks 728 professional contacts across them, including 379 with verified work emails. Across the United States, New York is the largest hub for this category (139 companies); Boston has 31.

This list covers company matches for green energy private equity firms associated with Boston, 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 28, 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 28, 2026 How this list was built
31Companies
728Contacts tracked
379Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 21 largest green energy private equity firms based in Boston, United States

Ranked by team size
Top 21 of 31 company matches for green energy private equity firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchBoston, MA, United StatesHQ recorded Sep 28, 202651-200210 contacts →

Exact match

“Founded in 2016, Longroad Energy is a U.S-based energy company focused on developing and operating wind, solar, storage, and data center projects throughout North America.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202651-200125 contacts →

Exact match

“BlueWave is a mission-driven clean energy developer, owner, and operator building solar and energy storage solutions that strengthen the electric grid and deliver long-term grid…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202651-20092 contacts →

Exact match

“Advanced Power is a privately owned company that develops, owns, and manages modern power generation and related infrastructure projects throughout Europe and North America.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202651-20089 contacts →

Exact match

“Headquartered in Boston, Massachusetts, Taurus is a global real estate private equity firm with over 45 years of experience as a general partner, investor, and operator.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-5026 contacts →

Exact match

“Kearsarge Energy is a vertically integrated renewable energy project development and finance company that owns and operates its projects.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 28, 20261-1025 contacts →

Exact match

“MCJ is an early-stage fund for the energy and industry transition and the inevitable impacts of climate change.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-5018 contacts →

Exact match

“CCA Group, LLC is a privately held boutique financial advisory firm based in Boston that provides premier capital markets and advisory services to companies active primarily in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“Founded in 2013, WAVE Equity Partners is an independent sustainability-focused private investment firm that makes investments in early-growth companies whose proven clean…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“RockPort Capital is a multi-stage venture capital firm that invests in the areas of alternative and traditional energy, mobility, and sustainability.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-508 contacts →

Exact match

“Energetic Capital was created to catalyze deployment of renewable energy with a focus on sub-investment grade and unrated credit risks.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 28, 20261-105 contacts →

Exact match

“WindSail Capital Group is a leading provider of growth capital to companies within the clean energy economy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-504 contacts →

Exact match

“JBRI Holdings is a Real Estate, Clean Energy and Digital investment organization with assets throughout the Northeast United States.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-504 contacts →

Exact match

“EMI is a privately held energy company with a more than 40-year track record of developing, financing, constructing and operating clean energy projects.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-504 contacts →

Exact match

“Welcome to Millennium Capital, a division of Millennium Management Corp.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“o Bio: Mario San Jacinto is a seasoned private equity and investment manager with +25-year international experience mainly working alongside with family offices.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchBoston, United StatesHQ recorded Sep 28, 20261-103 contacts →

Exact match

“North River Capital Advisors is the leader in providing investment banking services to small and mid cap companies in the Energy Transition + Sustainability Sector.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-503 contacts →

Exact match

“Rivermoor Energy provides clean energy development, planning, financing, and investment solutions to corporate, commercial, utility, government and institutional (higher…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Impact Investing at the Fulcrum of Technology & Environment ® Renewable Energy | Energy Access | Smart Grid | Smart Buildings | IOT | Robotics | Artificial Intelligence | AR/VR |…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Climate Venture Partners is currently raising a pre-seed round for Applied Bioplastics.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchBoston, MA, United StatesHQ recorded Sep 28, 20261-101 contacts →

Exact match

“Snow Bull Capital is a long-biased green and high technology hedge fund.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 21 of 31 green energy private equity firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 379 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Green energy private equity firms based in Boston, United States at a glance

As of Sep 28, 2026
52.1%Verified-email coverage
23.5Average contacts per company
11-50Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
15
51-200
4

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 31 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 Boston, United States whose business descriptions match “green energy private equity firms” 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 379 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 28, 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 “green energy private equity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green energy private equity firms are there based in Boston, United States?

RevenueBase identified 31 company matches for green energy private equity firms associated with Boston, 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?

Longroad 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 green energy private equity firms?

New York leads the United States with 139 company records, followed by Houston (94) and Dallas (50). Boston has 31.

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 379 professional contacts with verified work emails tracked across these 31 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 31 green energy private equity firms based in Boston, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.