Company lists · Data refreshed September 2026

Top 25 Grid scale battery companies worldwide

Name: Grid scale battery companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 3,477 companies tracked

RevenueBase identified 3,477 grid scale battery companies worldwide as of September 2026 and tracks 83,040 professional contacts across them, including 25,845 with verified work emails. China is the largest market and Shenzhen the largest hub.

This list covers grid scale battery companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for grid scale battery companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

3,477Companies

83,040Contacts tracked

25,845Verified emails

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The 25 largest grid scale battery companies worldwide

Ranked by team size

Top 25 of 3,477 grid scale battery companies worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to grid scale battery companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Clarios	Partial evidence	Glendale, WI, United StatesHQ checked Sep 20, 2026	10001+	5,032 contacts →
	Partial evidence “Clarios creates the most advanced battery technologies for virtually every type of vehicle.” Source: RevenueBase Database · checked Sep 20, 2026
2	LG Energy Solution	Partial evidence	Seoul, South KoreaHQ checked Sep 20, 2026	10001+	3,701 contacts →
	Partial evidence “LG Energy Solution leads the future eco-friendly energy industry by developing distinguished materials and next-generation batteries.” Source: RevenueBase Database · checked Sep 20, 2026
3	CATL	Indirect evidence	Ning De, ChinaHQ checked Sep 20, 2026	10001+	2,534 contacts →
	Indirect evidence “CATL is a global leader in innovative zero-carbon technology, providing comprehensive energy solutions to accelerate the global transition toward a sustainable future.” Source: RevenueBase Database · checked Sep 20, 2026
4	Innio Group	Indirect evidence	Munich, GermanyHQ checked Sep 20, 2026	1,001-5,000	2,111 contacts →
	Indirect evidence “INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power.” Source: RevenueBase Database · checked Sep 20, 2026
5	Powerco	Partial evidence	Salzgitter, GermanyHQ checked Sep 20, 2026	1,001-5,000	1,880 contacts →
	Partial evidence “At PowerCo, we are shaping the battery future.” Source: RevenueBase Database · checked Sep 20, 2026
6	Fluence	Indirect evidence	Arlington, VA, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,863 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
7	Mitsubishi Power Americas	Indirect evidence	Lake Mary, FL, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,859 contacts →
	Indirect evidence “Mitsubishi Power Americas is creating a future that works for people and the planet through innovative power generation technology and solutions.” Source: RevenueBase Database · checked Sep 20, 2026
8	Canadian Solar INC	Indirect evidence	Kitchener, ON, CanadaHQ checked Sep 20, 2026	10001+	1,781 contacts →
	Indirect evidence “Canadian Solar was founded in 2001 in Canada and is one of the world's largest solar technology and renewable energy companies.” Source: RevenueBase Database · checked Sep 20, 2026
9	Eastman Auto & Power Limited	Indirect evidence	Gurugram, IndiaHQ checked Sep 20, 2026	1,001-5,000	1,358 contacts →
	Indirect evidence “Established in Eastman Auto & Power Limited is a well-known name in the field of solar energy, energy storage, and power electronics, boasting a USD 475 million plus Turnover and…” Source: RevenueBase Database · checked Sep 20, 2026
10	Exide Group	Indirect evidence	Gennevilliers, FranceHQ checked Sep 20, 2026	5,001-10,000	1,077 contacts →
	Indirect evidence “Exide Technologies in EMEA & Asia-Pacific is a standalone company.” Source: RevenueBase Database · checked Sep 20, 2026
11	SK On	Partial evidence	Seoul, South KoreaHQ checked Sep 20, 2026	5,001-10,000	999 contacts →
	Partial evidence “SK On is a leading global battery and trading company.” Source: RevenueBase Database · checked Sep 20, 2026
12	Redwood Materials	Indirect evidence	Carson City, NV, United StatesHQ checked Sep 20, 2026	1,001-5,000	865 contacts →
	Indirect evidence “Redwood Materials is building the U.S.” Source: RevenueBase Database · checked Sep 20, 2026
13	Verkor	Indirect evidence	Grenoble, FranceHQ checked Sep 20, 2026	501-1,000	862 contacts →
	Indirect evidence “Founded in July 2020, Verkor is a French industrial company based in Grenoble.” Source: RevenueBase Database · checked Sep 20, 2026
14	Form Energy	Indirect evidence	Somerville, MA, United StatesHQ checked Sep 20, 2026	501-1,000	807 contacts →
	Indirect evidence “Form Energy is an American company driving innovation in energy technology and manufacturing.” Source: RevenueBase Database · checked Sep 20, 2026
15	AESC	Partial evidence	Yokohama, JapanHQ checked Sep 20, 2026	10001+	730 contacts →
	Partial evidence “AESC is a global leader in the development and manufacturing of high-performance batteries for zero-emission electric vehicles(EV) and energy storage systems(ESS).” Source: RevenueBase Database · checked Sep 20, 2026
16	ALFEN	Indirect evidence	Almere, NetherlandsHQ checked Sep 20, 2026	501-1,000	678 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
17	Stryten Energy	Indirect evidence	Alpharetta, GA, United StatesHQ checked Sep 20, 2026	1,001-5,000	677 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
18	Strata Clean Energy	Indirect evidence	Durham, NC, United StatesHQ checked Sep 20, 2026	501-1,000	631 contacts →
	Indirect evidence “Strata Clean Energy is a fully integrated energy infrastructure company serving utilities, independent power producers, and hyperscalers navigating the rapid transformation of the…” Source: RevenueBase Database · checked Sep 20, 2026
19	Siro Energy	Indirect evidence	Kocaeli, TürkiyeHQ checked Sep 20, 2026	501-1,000	618 contacts →
	Indirect evidence “Siro was established on September 27, 2021 as a joint venture between Togg and Farasis Energy to develop energy storage solutions for automotive and non-automotive use in Türkiye…” Source: RevenueBase Database · checked Sep 20, 2026
20	Agratas A Tata Enterprise	Partial evidence	Bengaluru, IndiaHQ checked Sep 20, 2026	501-1,000	599 contacts →
	Partial evidence “Agratas is a global battery business within the Tata Group.” Source: RevenueBase Database · checked Sep 20, 2026
21	Hoppecke Batteries	Partial evidence	Brilon, GermanyHQ checked Sep 20, 2026	1,001-5,000	530 contacts →
	Partial evidence “HOPPECKE - your expert for industrial batteries & energy storage solutions The availability and securing of electricity is one of the key requirements of our society and at the…” Source: RevenueBase Database · checked Sep 20, 2026
22	A123 Systems	Partial evidence	Novi, MI, United StatesHQ checked Sep 20, 2026	1,001-5,000	530 contacts →
	Partial evidence “A123 Systems, LLC develops and manufactures advanced Nanophosphate® lithium iron phosphate batteries and energy storage systems that deliver high power, maximize usable energy…” Source: RevenueBase Database · checked Sep 20, 2026
23	EOS Energy Enterprises, INC	Indirect evidence	Edison, NJ, United StatesHQ checked Sep 20, 2026	501-1,000	435 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
24	Loom Solar Pvt. LTD	Indirect evidence	Faridabad, IndiaHQ checked Sep 20, 2026	501-1,000	403 contacts →
	Indirect evidence “Loom Solar, founded in 2018, has rapidly emerged as one of India's Fastest Growing Renewable Energy brands, specializing in the manufacturing of cutting-edge solar panels…” Source: RevenueBase Database · checked Sep 20, 2026
25	Reon Energy Limited	Indirect evidence	London, United KingdomHQ checked Sep 20, 2026	201-500	402 contacts →
	Indirect evidence “Reon Energy is a leading Cleantech company deploying Intelligent Renewable Energy Microgrids across South Asia, GCC & African region.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: grid scale battery companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names grid scale battery companies.
Partial evidence: Its own public description names part of grid scale battery companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name grid scale battery companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 3,477 grid scale battery companies worldwide

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Grid scale battery companies worldwide at a glance

As of Sep 20, 2026

31.1%Verified-email coverage

23.9Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · Shenzhen

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

1,242

11-50

1,061

51-200

615

201-500

270

501-1,000

121

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among grid scale battery companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for grid scale battery companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “grid scale battery companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names grid scale battery companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among grid scale battery companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 25,845 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Grid scale battery companies by location

21 lists · largest first

Every Grid scale battery companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names grid scale battery companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many grid scale battery companies are there worldwide?

RevenueBase identified 3,477 grid scale battery companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Clarios, headquartered in Glendale, tops this list with the largest team on record.

Which country has the most grid scale battery companies?

China leads with 509 companies, followed by the United States (504) and Germany (246). Every grid scale battery companies list by country and city is linked on this page.

Which city has the most grid scale battery companies?

Shenzhen leads with 125 headquartered companies, followed by London (48) and New York (26).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 25,845 verified decision-maker contacts tracked across these 3,477 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.