Company lists · Data refreshed October 2026

Top 25 Energy storage retrofit companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 7,116 companies tracked

RevenueBase identified 7,116 company matches for energy storage retrofit companies worldwide as of October 2026 and tracks 95,956 professional contacts across them, including 30,834 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy storage retrofit companies 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 October 12, 2026. Country and city lists for energy storage retrofit companies 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 Oct 12, 2026 How this list was built

7,116Companies

95,956Contacts tracked

30,834Verified emails

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The 25 largest energy storage retrofit companies worldwide

Ranked by team size

Top 25 of 7,116 company matches for energy storage retrofit companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Enphase Energy	Exact match	Fremont, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	3,158 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 · Oct 12, 2026 · View company records in RevenueBase
2	Innio Group	Exact match	Munich, GermanyHQ recorded Oct 12, 2026	1,001-5,000	2,332 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 · Oct 12, 2026 · View company records in RevenueBase
3	Mitsubishi Power Americas	Exact match	Lake Mary, FL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,984 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 · Oct 12, 2026 · View company records in RevenueBase
4	Fluence	Exact match	Arlington, VA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,950 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 · Oct 12, 2026 · View company records in RevenueBase
5	Canadian Solar INC	Exact match	Kitchener, ON, CanadaHQ recorded Oct 12, 2026	10001+	1,865 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 · Oct 12, 2026 · View company records in RevenueBase
6	Clarke Energy	Exact match	Liverpool, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	1,055 contacts →
	Exact match “Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Wärtsilä Energy	Exact match	Helsinki, FinlandHQ recorded Oct 12, 2026	10001+	965 contacts →
	Exact match “Wärtsilä leads the transition towards a 100% renewable energy future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Form Energy	Exact match	Somerville, MA, United StatesHQ recorded Oct 12, 2026	501-1,000	867 contacts →
	Exact match “Form Energy is an American company driving innovation in energy technology and manufacturing.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Powersecure, INC	Exact match	Durham, NC, United StatesHQ recorded Oct 12, 2026	501-1,000	761 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 · Oct 12, 2026 · View company records in RevenueBase
10	ALFEN	Exact match	Almere, NetherlandsHQ recorded Oct 12, 2026	501-1,000	707 contacts →
	Exact match “With transformer substations, energy storage systems, charging stations for electric vehicles and a diverse portfolio of other products and services, Alfen has a central and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Baker Electric	Exact match	Escondido, CA, United StatesHQ recorded Oct 12, 2026	501-1,000	704 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 · Oct 12, 2026 · View company records in RevenueBase
12	Strata Clean Energy	Exact match	Durham, NC, United StatesHQ recorded Oct 12, 2026	501-1,000	641 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 · Oct 12, 2026 · View company records in RevenueBase
13	Noresco	Exact match	Westborough, MA, United StatesHQ recorded Oct 12, 2026	201-500	479 contacts →
	Exact match “NORESCO, an OPTERRA company, helps customers modernize aging building systems and upgrade energy and water infrastructure to meet evolving demands.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	EOS Energy Enterprises, INC	Exact match	Edison, NJ, United StatesHQ recorded Oct 12, 2026	501-1,000	463 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 · Oct 12, 2026 · View company records in RevenueBase
15	REC Solar	Exact match	San Luis Obispo, CA, United StatesHQ recorded Oct 12, 2026	n/a	423 contacts →
	Exact match “Founded in 1997, REC Solar has emerged as a leader in the solar industry, installing 800+ solar and storage solutions for commercial and public sector customers nationwide.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	ESS	Exact match	Wilsonville, OR, United StatesHQ recorded Oct 12, 2026	201-500	418 contacts →
	Exact match “ESS, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Base Power Company	Exact match	Austin, TX, United StatesHQ recorded Oct 12, 2026	501-1,000	397 contacts →
	Exact match “Base is building the future of American power.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Reon Energy Limited	Exact match	London, United KingdomHQ recorded Oct 12, 2026	201-500	396 contacts →
	Exact match “Reon Energy is a leading Cleantech company deploying Intelligent Renewable Energy Microgrids across South Asia, GCC & African region.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Greenvolt Next	Exact match	Lisbon, PortugalHQ recorded Oct 12, 2026	201-500	361 contacts →
	Exact match “Greenvolt Next is your guide to change the way on how you produce, consume, and share energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Zenobē	Exact match	London, United KingdomHQ recorded Oct 12, 2026	201-500	358 contacts →
	Exact match “We're Zenobē Energy and we're on a mission to make clean power accessible.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Solar Energy World	Exact match	Laurel, MD, United StatesHQ recorded Oct 12, 2026	501-1,000	341 contacts →
	Exact match “With tens of thousands of customers, Solar Energy World is the fastest growing solar and battery system installation company in our region, serving Delaware, Florida, Maryland…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Semper Solaris	Exact match	El Cajon, CA, United StatesHQ recorded Oct 12, 2026	501-1,000	337 contacts →
	Exact match “Ranked #1 in Solar + Battery Installation in America by "Solar Power World" Go Solar American Style!#1 Veteran Owned Solar Company in California Solar Panels.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Supernova	Exact match	Irvine, CA, United StatesHQ recorded Oct 12, 2026	201-500	336 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 · Oct 12, 2026 · View company records in RevenueBase
24	Genus Innovation Limited	Exact match	Jaipur, IndiaHQ recorded Oct 12, 2026	501-1,000	315 contacts →
	Exact match “Genus Innovation Limited exists to deliver Energy Happiness, the peace of mind that comes from reliable, intelligent, and sustainable energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Senec Gmbh	Exact match	Leipzig, GermanyHQ recorded Oct 12, 2026	501-1,000	312 contacts →
	Exact match “A company with a profile The German Energy Supply GmbH Since 2009, Deutsche Energieversorgung GmbH in Leipzig has been developing and producing intelligent power storage systems…” Recorded in the RevenueBase company graph · Oct 12, 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 retrofit companies”. 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 7,116 energy storage retrofit companies worldwide

See the full list, filter by size, metro and specialty, and access 30,834 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy storage retrofit companies worldwide at a glance

As of Oct 12, 2026

32.1%Verified-email coverage

13.5Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · London

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

3,286

11-50

2,467

51-200

821

201-500

267

501-1,000

117

1,001-5,000

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 retrofit companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy storage retrofit companies” 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 30,834 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 October 12, 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 retrofit companies by location

38 lists · largest first

Every Energy storage retrofit companies 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 retrofit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy storage retrofit companies are there worldwide?

RevenueBase identified 7,116 company matches for energy storage retrofit companies worldwide as of October 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?

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

Which country has the most energy storage retrofit companies?

The United States leads with 1,184 companies, followed by the United Kingdom (685) and Germany (483). Every energy storage retrofit companies list by country and city is linked on this page.

Which city has the most energy storage retrofit companies?

London leads with 92 company records, followed by Shenzhen (76) and New York (38).

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 30,834 professional contacts with verified work emails tracked across these 7,116 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 October 12, 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.