Company lists · Data refreshed September 2026

Top 25 Energy storage startups based in the United States

RevenueBase identified 747 company matches for energy storage startups associated with the United States as of September 2026 and tracks 41,501 professional contacts across them, including 17,233 with verified work emails. New York is the largest hub.

This list covers company matches for energy storage startups 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built
747Companies
41,501Contacts tracked
17,233Verified emails
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The 25 largest energy storage startups based in the United States

Ranked by team size
Top 25 of 747 company matches for energy storage startups based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 matchJuno Beach, FL, United StatesHQ recorded Sep 16, 202610001+6,221 contacts →

Exact match

“NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchFremont, CA, United StatesHQ recorded Sep 16, 20261,001-5,0003,130 contacts →

Exact match

“Enphase Energy is a global energy technology company and the world’s leading supplier of microinverter-based solar and battery systems.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchArlington, VA, United StatesHQ recorded Sep 16, 20261,001-5,0001,863 contacts →

Exact match

“To achieve our mission, we design, deploy, and operate the world’s most advanced modular energy storage products, comprehensive lifecycle services, and AI-enabled asset management…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchLake Mary, FL, United StatesHQ recorded Sep 16, 20261,001-5,0001,859 contacts →

Exact match

“Mitsubishi Power Americas is creating a future that works for people and the planet through innovative power generation technology and solutions.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261,001-5,0001,286 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
6Exact matchIrvine, CA, United StatesHQ recorded Sep 16, 2026501-1,000954 contacts →

Exact match

“Qcells is a renowned complete energy solutions provider in solar cell and module, energy storage, downstream project business and energy retail.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchAustin, United StatesHQ recorded Sep 16, 2026501-1,000931 contacts →

Exact match

“Recurrent Energy, a subsidiary of Canadian Solar Inc, is one of the world's largest and most geographically diversified utility-scale solar and energy storage project development…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchSomerville, MA, United StatesHQ recorded Sep 16, 2026501-1,000807 contacts →

Exact match

“Form Energy is an American company driving innovation in energy technology and manufacturing.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 16, 2026501-1,000795 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
10Exact matchDurham, NC, United StatesHQ recorded Sep 16, 2026501-1,000740 contacts →

Exact match

“PowerSecure, a Southern Company subsidiary, is a leading provider of innovative energy solutions to electric utilities and their industrial, institutional, and commercial…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchAlpharetta, GA, United StatesHQ recorded Sep 16, 20261,001-5,000677 contacts →

Exact match

“Stryten Energy helps solve the world’s most pressing energy challenges with a broad range of energy storage solutions across the Essential Power, Motive Power, Transportation…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchDurham, NC, United StatesHQ recorded Sep 16, 2026501-1,000631 contacts →

Exact match

“Strata Clean Energy is a fully integrated energy infrastructure company serving utilities, independent power producers, and hyperscalers navigating the rapid transformation of the…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchNovi, MI, United StatesHQ recorded Sep 16, 20261,001-5,000530 contacts →

Exact match

“A123 Systems, LLC develops and manufactures advanced Nanophosphate® lithium iron phosphate batteries and energy storage systems that deliver high power, maximize usable energy…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchEdison, NJ, United StatesHQ recorded Sep 16, 2026501-1,000435 contacts →

Exact match

“Eos is on a mission to build a future with limitless energy-with abundant energy that is reliable enough to fuel humanity’s limitless potential.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchIrvine, CA, United StatesHQ recorded Sep 16, 2026201-500370 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
16Exact matchWilsonville, OR, United StatesHQ recorded Sep 16, 2026201-500354 contacts →

Exact match

“ESS, Inc.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchNashville, TN, United StatesHQ recorded Sep 16, 202651-200279 contacts →

Exact match

“Founded in 2011, Silicon Ranch is a fully integrated provider of customized renewable energy, carbon, and battery storage solutions for a diverse set of partners across North…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchDurham, NC, United StatesHQ recorded Sep 16, 2026201-500271 contacts →

Exact match

“FlexGen delivers the best integrated energy storage systems by taking a functionality and software-first approach.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchValhalla, NY, United StatesHQ recorded Sep 16, 2026201-500268 contacts →

Exact match

“Con Edison Clean Energy Businesses, Inc.(Con Edison CEB) is a leader in the renewable energy industry.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchCambridge, MA, United StatesHQ recorded Sep 16, 2026n/a264 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Sep 16, 2026201-500248 contacts →

Exact match

“Base is building the future of American power.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchDenver, CO, United StatesHQ recorded Sep 16, 2026201-500246 contacts →

Exact match

“Founded in 2009, Pivot Energy is a leading national renewable energy provider and independent power producer that develops, owns, and operates solar and energy storage projects.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchWestborough, MA, United StatesHQ recorded Sep 16, 202651-200244 contacts →

Exact match

“LG Energy Solution Vertech, Inc.(LGES Vertech) delivers exceptional customer engagement throughout every stage of acquiring, installing, and operating advanced, reliable, and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Sep 16, 2026201-500242 contacts →

Exact match

“Antora Energy delivers affordable, reliable energy to industry, data centers, and the grid.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchTualatin, OR, United StatesHQ recorded Sep 16, 2026501-1,000242 contacts →

Exact match

“Since 2010, Powin has been working to mitigate the economic and environmental impacts of climate change by revolutionizing the way energy is generated, transmitted, and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 747 energy storage startups based in the United States

See the full list, filter by size, metro and specialty, and access 17,233 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy storage startups based in the United States at a glance

As of Sep 16, 2026
41.5%Verified-email coverage
55.6Average contacts per company
11-50Median size (employees)
5.4%Largest-city concentration · New York
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
275
11-50
267
51-200
129
201-500
38
501-1,000
18
1,001-5,000
14
5,001-10,000
1
10001+
4

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 747 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 “energy storage 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 17,233 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 “energy storage startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy storage startups are there based in the United States?

RevenueBase identified 747 company matches for energy storage startups 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?

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

Which city has the most energy storage startups?

New York leads with 40 company records, followed by Houston (33) and San Francisco (19).

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 17,233 professional contacts with verified work emails tracked across these 747 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.

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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.