Company lists · Data refreshed November 2026

Top 25 Energy storage system developers worldwide

Name: Energy storage system developers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,370 companies tracked

RevenueBase identified 10,370 company matches for energy storage system developers worldwide as of November 2026 and tracks 202,882 professional contacts across them, including 71,674 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy storage system developers worldwide, 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 November 6, 2026. Country and city lists for energy storage system developers follow the table.

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 Nov 6, 2026 How this list was built

10,370Companies

202,882Contacts tracked

71,674Verified emails

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The 25 largest energy storage system developers worldwide

Ranked by team size

Top 25 of 10,370 company matches for energy storage system developers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Nextera Energy Resources	Exact match	Juno Beach, FL, United StatesHQ recorded Nov 6, 2026	10001+	6,545 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 · Nov 6, 2026 · View company records in RevenueBase
2	ENPAL	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	5,001-10,000	3,483 contacts →
	Exact match “Enpal is Europe's leading new energy company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Enphase Energy	Exact match	Fremont, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,227 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 · Nov 6, 2026 · View company records in RevenueBase
4	Solaredge Technologies	Exact match	Herzliya, IsraelHQ recorded Nov 6, 2026	1,001-5,000	3,219 contacts →
	Exact match “SolarEdge is a global leader in smart energy technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Tata Power Renewable Energy Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	2,799 contacts →
	Exact match “Tata Power Renewable Energy Limited (TPREL) is one of India’s leading renewable energy companies, driving the transition towards a cleaner, more resilient and sustainable energy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Invenergy	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,526 contacts →
	Exact match “Invenergy is North America’s largest privately held developer, owner, and operator of innovative, reliable power infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Innio Group	Exact match	Munich, WI, GermanyHQ recorded Nov 6, 2026	1,001-5,000	2,393 contacts →
	Exact match “INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Sunpower Corporation	Exact match	Richmond, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,036 contacts →
	Exact match “We believe clean energy and backup storage should be accessible to everybody.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Mitsubishi Power Americas	Exact match	Lake Mary, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,032 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 · Nov 6, 2026 · View company records in RevenueBase
10	Fluence	Exact match	Arlington, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,019 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 · Nov 6, 2026 · View company records in RevenueBase
11	Canadian Solar INC	Exact match	Kitchener, CA, CanadaHQ recorded Nov 6, 2026	10001+	1,957 contacts →
	Exact match “Canadian Solar was founded in 2001 in Canada and is one of the world's largest solar technology and renewable energy companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Solv Energy	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,484 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 · Nov 6, 2026 · View company records in RevenueBase
13	Ormat Technologies, INC	Exact match	Reno, NV, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,328 contacts →
	Exact match “Clean, reliable energy solutions provided by geothermal power, recovered energy, and energy storage solutions are our expertise, commitment, and focus.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Qcells North America	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	1,076 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 · Nov 6, 2026 · View company records in RevenueBase
15	Clarke Energy	Exact match	Liverpool, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,048 contacts →
	Exact match “Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Wärtsilä Energy	Exact match	Helsinki, FinlandHQ recorded Nov 6, 2026	10001+	991 contacts →
	Exact match “Wärtsilä leads the transition towards a 100% renewable energy future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	977 contacts →
	Exact match “Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Form Energy	Exact match	Somerville, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	880 contacts →
	Exact match “Form Energy is an American company driving innovation in energy technology and manufacturing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Clearway Energy Group	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	860 contacts →
	Exact match “Clearway Energy Group’s vision is a world powered by clean energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Pattern Energy	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	853 contacts →
	Exact match “Pattern Energy is one of the world’s largest privately-owned developers and operators of wind, solar, transmission, and energy storage projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Recurrent Energy	Exact match	Austin, United StatesHQ recorded Nov 6, 2026	501-1,000	841 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 · Nov 6, 2026 · View company records in RevenueBase
22	Powersecure, INC	Exact match	Durham, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	801 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 · Nov 6, 2026 · View company records in RevenueBase
23	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	784 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 · Nov 6, 2026 · View company records in RevenueBase
24	Juwi Group	Exact match	Wörrstadt, GermanyHQ recorded Nov 6, 2026	1,001-5,000	767 contacts →
	Exact match “For 30 years, we have been one of the leading specialists in renewable energies, offering complete project development and other services related to the planning, construction…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Baker Electric	Exact match	Escondido, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	717 contacts →
	Exact match “Baker Electric is a full-service electrical contractor and energy infrastructure expert headquartered in Escondido, California.” Recorded in the RevenueBase company graph · Nov 6, 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 “energy storage system developers”. 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 10,370 energy storage system developers worldwide

See the full list, filter by size, metro and specialty, and access 71,674 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy storage system developers worldwide at a glance

As of Nov 6, 2026

35.3%Verified-email coverage

19.6Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,476

11-50

3,585

51-200

1,392

201-500

455

501-1,000

178

1,001-5,000

161

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for energy storage system developers are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy storage system developers” 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. 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 71,674 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 November 6, 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.

Energy storage system developers by location

61 lists · largest first

Every Energy storage system developers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 system developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy storage system developers are there worldwide?

RevenueBase identified 10,370 company matches for energy storage system developers worldwide as of November 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 country has the most energy storage system developers?

The United States leads with 1,931 companies, followed by Germany (694) and the United Kingdom (597). Every energy storage system developers list by country and city is linked on this page.

Which city has the most energy storage system developers?

London leads with 135 company records, followed by Shenzhen (132) and New York (79).

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 71,674 professional contacts with verified work emails tracked across these 10,370 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 November 6, 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.