Company lists · Data refreshed October 2026

Top 25 Energy storage system operators based in London, United Kingdom

RevenueBase identified 57 company matches for energy storage system operators associated with London, United Kingdom as of October 2026 and tracks 1,312 professional contacts across them, including 627 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for energy storage system operators associated with London, 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
57Companies
1,312Contacts tracked
627Verified emails
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The 25 largest energy storage system operators based in London, United Kingdom

Ranked by team size
Top 25 of 57 company matches for energy storage system operators based in London, 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, 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
2Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-200185 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
3Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-200168 contacts →

Exact match

“Statera Energy is a UK-based energy company that develops, owns, and operates flexible generation, battery storage, pumped hydro and green hydrogen projects.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-200122 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
5Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20093 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
6Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-20058 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
7Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5041 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
8Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5040 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
9Exact matchLondon, United KingdomHQ recorded Oct 12, 2026201-50039 contacts →

Exact match

“KX Power is a leading developer and asset manager of utility scale energy storage and flexibility technology headquartered in the UK.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5027 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
12Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5023 contacts →

Exact match

“Intelligent, flexible battery energy storage that solves grid constraints and works wherever power is needed, not just where the grid allows it.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 12, 20261-1016 contacts →

Exact match

“Adaptogen was founded to provide insightful expertise to our investors and help them navigate the energy transition as sustainably and profitably as possible through investment in…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5010 contacts →

Exact match

“We construct, own and operate large scale, front of meter, energy storage solutions.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-5010 contacts →

Exact match

“Happy Electron is developing electric energy storages and electric energy generation devices for high-performance applications.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-509 contacts →

Exact match

“Lightstate is an energy technology company, developing and operating next generation green infrastructure.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 12, 20261-108 contacts →

Exact match

“Varco Energy is a pioneering UK based battery storage asset owner and operator.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-2008 contacts →

Exact match

“Limejump, UK’s award winning energy-tech platform, provides renewable generators, peaking assets and battery storage devices a route to grid balancing and power trading markets…”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-508 contacts →

Exact match

“EQONIC Group is a British technology company creating and delivering transformative energy storage technologies to help the world transition towards a zero emissions future.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 12, 202651-2007 contacts →

Exact match

“In June 2021, Moixa was acquired by Lunar Energy.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 12, 20261-106 contacts →

Exact match

“Capture Energy is Europe’s first battery-backed power company.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 12, 20261-106 contacts →

Exact match

“Atlantic Green is joint venture between two entrepreneurial shareholders, Interland and Nofar Energy.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 12, 202611-506 contacts →

Exact match

“Dais Energy Ventures catalyses energy system decarbonisation through energy storage.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 12, 20261-106 contacts →

Exact match

“We develop large-scale energy storage projects at key locations, alleviating grid constraints and enabling the transition to renewable energy.”

Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 12, 20261-106 contacts →

Exact match

“Envirotech Energy Solutions is a privately owned, commercial developer and operator, specialising in the UK and European energy sector, in particular, capacity for the…”

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

Showing 25 of 57 energy storage system operators based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 627 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy storage system operators based in London, United Kingdom at a glance

As of Oct 12, 2026
47.8%Verified-email coverage
23.0Average contacts per company
11-50Median size (employees)
Oct 12, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
17
51-200
9
201-500
1
501-1,000
1
1,001-5,000
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 57 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 London, United Kingdom whose business descriptions match “energy storage system operators” 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 627 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 system operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy storage system operators are there based in London, United Kingdom?

RevenueBase identified 57 company matches for energy storage system operators associated with London, 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 in the United Kingdom has the most energy storage system operators?

London leads the United Kingdom with 57 company records, followed by Bristol (4) and Edinburgh (4).

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 627 professional contacts with verified work emails tracked across these 57 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.