Company lists · Data refreshed October 2026

Top 25 Energy storage maintenance companies based in the United Kingdom

Name: Energy storage maintenance 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 114 companies tracked

RevenueBase identified 114 company matches for energy storage maintenance companies associated with the United Kingdom as of October 2026 and tracks 1,521 professional contacts across them, including 716 with verified work emails. London is the largest hub.

This list covers company matches for energy storage 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

114Companies

1,521Contacts tracked

716Verified emails

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

Ranked by team size

Top 25 of 114 company matches for energy storage 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	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
2	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
3	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
4	DTGEN	Exact match	Milngavie, United KingdomHQ recorded Oct 12, 2026	51-200	78 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
5	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
6	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
7	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
8	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
9	Storengy UK	Exact match	Northwich, United KingdomHQ recorded Oct 12, 2026	11-50	46 contacts →
	Exact match “Storengy UK is a subsidiary of ENGIE, a leading global energy company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	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
11	Juice Stored Energy LTD	Exact match	Blidworth, United KingdomHQ recorded Oct 12, 2026	51-200	43 contacts →
	Exact match “We exist to ensure our clients feel unstoppable.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Natural Generation LTD	Exact match	Perranporth, United KingdomHQ recorded Oct 12, 2026	51-200	33 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
13	Power Saving Solutions UK	Exact match	Nottingham, United KingdomHQ recorded Oct 12, 2026	51-200	30 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
14	Statera Energy Operations SEO	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	30 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
15	Powervault	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	27 contacts →
	Exact match “At Powervault, we are on a mission to pioneer a sustainable energy future.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Fellten	Exact match	Bristol, United KingdomHQ recorded Oct 12, 2026	11-50	24 contacts →
	Exact match “Charge Qube by Fellten delivers rapidly deployable battery energy storage and EV charging solutions designed to remove grid limitations and accelerate electrification projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Aniron Renewables	Exact match	Northampton, United KingdomHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “Aniron Renewables delivers commercial and industrial-scale solar PV & BESS systems, taking projects from concept through to construction & O&M.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	DES	Exact match	Poulton Le Fylde, United KingdomHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match “DES is an established electrical engineering and electrical contracting specialist, trusted to deliver complex electrical infrastructure projects for Tier 1 and Tier 2 principal…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Root-Power	Exact match	Salford, United KingdomHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match “Root-Power’s mission is to establish itself as one of the largest owner-operators of energy storage systems in the UK with the capabilities to design, build and operate these…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Power Control & Automation Solutions LTD Pcas	Exact match	Sheffield, United KingdomHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match “Keeping Power in Your Hands ” At Power Control & Automation Solutions Ltd, we don’t just provide services-we deliver peace of mind.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Philadelphia Scientific UK	Exact match	Bolton, United KingdomHQ recorded Oct 12, 2026	51-200	13 contacts →
	Exact match “Philadelphia Scientific is a world-leading provider of products and services for motive power and standby batteries, operating from North America, Europe, Southeast-Asia &…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Storelectric	Exact match	Manchester, United KingdomHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “Accelerating global energy independence - affordably, reliably and resiliently.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Constantine Energy Storage	Exact match	Godalming, United KingdomHQ recorded Oct 12, 2026	1-10	12 contacts →
	Exact match “Owners of grid-scale energy storage assets.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Chiltern Solar	Exact match	Chesham, United KingdomHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “At Chiltern Solar, we are dedicated to providing expert solar and battery energy storage solutions to homes and businesses across southern England.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Diamond Green Energy LTD	Exact match	Fareham, United KingdomHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “We are a family run renewable energy installation, service and repair company based in Fareham, Hampshire.” 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 maintenance 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 114 energy storage maintenance companies based in the United Kingdom

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

As of Oct 12, 2026

47.1%Verified-email coverage

13.3Average contacts per company

11-50Median size (employees)

13.2%Largest-city concentration · London

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 114 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 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 716 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.

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

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

RevenueBase identified 114 company matches for energy storage 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?

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

Which city has the most energy storage maintenance companies?

London leads with 15 company records, followed by Bristol (6) and Nottingham (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 716 professional contacts with verified work emails tracked across these 114 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.