Company lists · Data refreshed October 2026

Top 25 Electrical energy storage companies based in the United Kingdom

Name: Electrical energy storage companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 400 companies tracked

RevenueBase identified 400 company matches for electrical energy storage companies associated with the United Kingdom as of October 2026 and tracks 5,128 professional contacts across them, including 2,146 with verified work emails. London is the largest hub.

This list covers company matches for electrical energy storage companies associated with the United Kingdom, 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.

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

400Companies

5,128Contacts tracked

2,146Verified emails

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The 25 largest electrical energy storage companies based in the United Kingdom

Ranked by team size

Top 25 of 400 company matches for electrical energy storage companies based in the United Kingdom, 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	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
2	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
3	Intec Energy Solutions	Exact match	London, United KingdomHQ recorded Oct 12, 2026	501-1,000	276 contacts →
	Exact match “INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Aesc UK	Exact match	Sunderland, United KingdomHQ recorded Oct 12, 2026	501-1,000	190 contacts →
	Exact match “AESC is a global leader in the development and manufacturing of high-performance batteries for electric vehicles and energy storage systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	FIELD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	185 contacts →
	Exact match “We're creating the renewable energy infrastructure and trading company of the future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Ethical Power	Exact match	Exeter, United KingdomHQ recorded Oct 12, 2026	51-200	178 contacts →
	Exact match “Ethical Power Group launched in the UK in 2010.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Powerstar	Exact match	Sheffield, United KingdomHQ recorded Oct 12, 2026	51-200	135 contacts →
	Exact match “A D2Zero Company With a 24-year track record, Powerstar is an industry leader in electrification, specialising in designing and manufacturing cutting-edge power management tech…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Powersystems	Exact match	Bristol, United KingdomHQ recorded Oct 12, 2026	51-200	127 contacts →
	Exact match “Powered by People.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Cero Generation	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	122 contacts →
	Exact match “We’re focused on developing and delivering utility-scale solar and battery energy storage system (BESS) projects that power the transition to a cleaner, more resilient energy…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	TBS Engineering Limited	Exact match	Brockworth, United KingdomHQ recorded Oct 12, 2026	201-500	110 contacts →
	Exact match “Innovate.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	EKU Energy	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	93 contacts →
	Exact match “Eku Energy is a specialist, technology-enabled developer dedicated to accelerating the energy transition.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Givenergy	Exact match	Newcastle Under Lyme, United KingdomHQ recorded Oct 12, 2026	51-200	81 contacts →
	Exact match “GivEnergy – No.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Sunamp	Exact match	Edinburgh, United KingdomHQ recorded Oct 12, 2026	51-200	79 contacts →
	Exact match “Sunamp’s space-saving thermal energy storage uses patented phase change materials to make homes and buildings more energy-efficient and sustainable.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Harmony Energy	Exact match	Knaresborough, United KingdomHQ recorded Oct 12, 2026	51-200	73 contacts →
	Exact match “Founded in 2010, Harmony Energy is one of the UK’s leading developers, owners and operators of utility-scale battery energy storage.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Elements Green	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	58 contacts →
	Exact match “Elements Green (EG) is a leading renewable energy developer headquartered in London, specialising in utility-scale solar PV systems and battery energy storage solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Norco Group Limited	Exact match	Dyce, United KingdomHQ recorded Oct 12, 2026	51-200	57 contacts →
	Exact match “From beginnings in the battery rental market in 1991, Norco Group are now a major force in the electrical energy storage industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Evoenergy	Exact match	Nottingham, United KingdomHQ recorded Oct 12, 2026	11-50	57 contacts →
	Exact match “Driving the market through innovation, EvoEnergy are the UK’s leading energy technology solutions provider, helping blue-chip clients and SME’s turn their sites into ‘sustainable…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Prolectric Services	Exact match	Clevedon, United KingdomHQ recorded Oct 12, 2026	51-200	53 contacts →
	Exact match “We help organisations replace diesel, cut carbon and reduce operating costs with advanced off-grid solar lighting, hybrid power and battery storage solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Verlume	Exact match	Inverurie, United KingdomHQ recorded Oct 12, 2026	11-50	48 contacts →
	Exact match “Verlume is a leader in intelligent energy management and storage technologies for the energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Ylem Energy	Exact match	Manchester, United KingdomHQ recorded Oct 12, 2026	51-200	48 contacts →
	Exact match “YLEM Energy is a leading independent power generation specialist with more than three decades’ experience in building, owning and operating smart generation systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Renenergy UK	Exact match	Norwich, United KingdomHQ recorded Oct 12, 2026	51-200	47 contacts →
	Exact match “Electrifying change for businesses.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Connected Energy	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Oct 12, 2026	11-50	44 contacts →
	Exact match “Connected Energy is a world leader in battery energy storage.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Triathlon Battery Solutions LTD UK	Exact match	Trafford Park, United KingdomHQ recorded Oct 12, 2026	51-200	41 contacts →
	Exact match “Triathlon® Battery Solutions Ltd is the UK branch of Triathlon®, one of Europe’s largest assembly manufacturers of Lead Acid and Litihium-Ion battery systems and chargers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Voltwise Power	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	41 contacts →
	Exact match “Voltwise develops, owns and operates flexible energy storage solutions that allow rapid deployment of renewables.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Pulse Clean Energy	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	40 contacts →
	Exact match “Through innovation in energy storage and optimisation, we will help to enable an energy network that runs entirely on renewables.” 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 “electrical energy storage 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 400 electrical energy storage companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,146 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical energy storage companies based in the United Kingdom at a glance

As of Oct 12, 2026

41.8%Verified-email coverage

12.8Average contacts per company

1-10Median size (employees)

18.8%Largest-city concentration · London

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

207

11-50

139

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 400 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 Kingdom whose business descriptions match “electrical energy storage 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. 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 2,146 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.

Electrical energy storage companies by metro

Electrical energy storage companies in London75

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 “electrical energy storage companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical energy storage companies are there based in the United Kingdom?

RevenueBase identified 400 company matches for electrical energy storage companies associated with the United Kingdom 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?

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

Which city has the most electrical energy storage companies?

London leads with 75 company records, followed by Bristol (7) and Edinburgh (5).

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 2,146 professional contacts with verified work emails tracked across these 400 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.