Company lists · Data refreshed October 2026

Top 25 Energy storage system maintenance companies based in the United Kingdom

RevenueBase identified 292 company matches for energy storage system maintenance companies associated with the United Kingdom as of October 2026 and tracks 3,329 professional contacts across them, including 1,323 with verified work emails. London is the largest hub.

This list covers company matches for energy storage system maintenance 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
292Companies
3,329Contacts tracked
1,323Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy storage system maintenance companies based in the United Kingdom

Ranked by team size
Top 25 of 292 company matches for energy storage system maintenance 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-500396 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
2Exact matchLondon, United KingdomHQ recorded Oct 12, 2026501-1,000276 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
3Exact matchScarborough, United KingdomHQ recorded Oct 12, 2026201-500229 contacts →

Exact match

“Founded in 1935 Dale Power Solutions Ltd have been providing reliable; secure power solutions for mission critical services & systems throughout the world.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchExeter, United KingdomHQ recorded Oct 12, 202651-200178 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
5Exact matchEnfield, United KingdomHQ recorded Oct 12, 2026201-500114 contacts →

Exact match

“As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6Exact matchBrinkworth, United KingdomHQ recorded Oct 12, 202651-200106 contacts →

Exact match

“BELECTRIC UK is part of BELECTRIC, one of Europe's leading EPC service providers in the development, construction, and operation of solar power plants.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7Exact matchStockport, United KingdomHQ recorded Oct 12, 2026201-50081 contacts →

Exact match

“Cobalt Energy, established in 2009, is an independent engineering and operational services company operating in the renewable energy and waste to resources sectors.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8Exact matchMilngavie, United KingdomHQ recorded Oct 12, 202651-20078 contacts →

Exact match

“From our 6.3-acre HQ in Glasgow, and further sites in Bristol and Rugby, we supply, install and maintain diesel and gas generators, combined heat and power systems (CHP), solar…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9Exact matchWakefield, United KingdomHQ recorded Oct 12, 202611-5065 contacts →

Exact match

“Cleaner Group is a UK leader in full turnkey renewable energy solutions; primarily for commercial EV charging and solar PV.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact matchPadiham, United KingdomHQ recorded Oct 12, 202651-20062 contacts →

Exact match

“Keep the Lights On with LCM Environmental Since 1987, LCM Environmental has been the backbone of critical infrastructure, ensuring everything runs smoothly behind the scenes.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11Exact matchWorcester, United KingdomHQ recorded Oct 12, 202651-20061 contacts →

Exact match

“Alt-Group is a forward-thinking, renewable energy company; advising on, installing and maintaining excellent renewable systems including Solar PV, EV Charging & Batteries.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12Exact matchDyce, United KingdomHQ recorded Oct 12, 202651-20057 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
13Exact matchNottingham, United KingdomHQ recorded Oct 12, 202611-5057 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
14Exact matchTrottiscliffe, United KingdomHQ recorded Oct 12, 202651-20054 contacts →

Exact match

“Renewable Energy Experts: For over 25 years, Ecolution have been at the forefront of renewable energy services, using our award-winning expertise, to help our clients innovate and…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchNorwich, United KingdomHQ recorded Oct 12, 202651-20047 contacts →

Exact match

“Electrifying change for businesses.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Oct 12, 202611-5044 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
17Exact matchClevedon, United KingdomHQ recorded Oct 12, 202651-20043 contacts →

Exact match

“SolarSense specialise in the design, installation and maintenance of solar panels, energy storage, solar carports and other renewable energy technologies.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchReading, United KingdomHQ recorded Oct 12, 202611-5035 contacts →

Exact match

“Photon Energy specialises in the design, supply, installation and maintenance of solar PV and battery storage systems.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchWashington, United KingdomHQ recorded Oct 12, 202611-5034 contacts →

Exact match

“Advanced Renewable Power Ltd (AR Power) is an MCS accredited company based in the North East and operating Nationally.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchPerranporth, United KingdomHQ recorded Oct 12, 202651-20033 contacts →

Exact match

“Natural Generation specialises in all aspects of commercial and domestic solar and battery storage installation and maintenance.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchNottingham, United KingdomHQ recorded Oct 12, 202651-20030 contacts →

Exact match

“Power Saving Solutions (PSS) designs, manufactures and supports intelligent hybrid battery energy systems that help organisations reduce operating costs, lower carbon emissions…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5030 contacts →

Exact match

“We are a market leading operations and maintenance provider for flexible generation and battery energy storage assets in the UK, with over 1.2GW of ESS assets under contract…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchChorley, United KingdomHQ recorded Oct 12, 202651-20028 contacts →

Exact match

“Founded in 2012, Contact Solar has rapidly grown into one of the UK’s leading providers of solar panel and battery storage solutions.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5021 contacts →

Exact match

“With over 70 years combined industry experience, Envirolec Smart Energy Solutions has gained vital expertise and experience in a number of Renewable Technologies.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchAshprington, United KingdomHQ recorded Oct 12, 202651-20020 contacts →

Exact match

“Mole Energy is the renewable energy division of Mole Valley Farmers (the UK’s largest rural retailer, established in 1960).”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

Showing 25 of 292 energy storage system maintenance companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,323 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy storage system maintenance companies based in the United Kingdom at a glance

As of Oct 12, 2026
39.7%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
11.0%Largest-city concentration · London
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
167
11-50
93
51-200
21
201-500
7
501-1,000
1
1,001-5,000
1

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 292 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 “energy storage system maintenance 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 1,323 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 system maintenance companies by metro

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

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

RevenueBase identified 292 company matches for energy storage system maintenance 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 energy storage system maintenance companies?

London leads with 32 company records, followed by Glasgow (8) and Nottingham (6).

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 1,323 professional contacts with verified work emails tracked across these 292 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.

Ready to reach these companies? Verified emails and direct dials for all 292 energy storage system maintenance companies based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.