Company lists · Data refreshed November 2026

Top 25 Flow battery storage providers based in the United Kingdom

RevenueBase identified 119 company matches for flow battery storage providers associated with the United Kingdom as of November 2026 and tracks 2,249 professional contacts across them, including 990 with verified work emails. London is the largest hub.

This list covers company matches for flow battery storage providers 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 November 6, 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 Nov 6, 2026 How this list was built
119Companies
2,249Contacts tracked
990Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest flow battery storage providers based in the United Kingdom

Ranked by team size
Top 25 of 119 company matches for flow battery storage providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchExeter, United KingdomHQ recorded Nov 6, 202651-200190 contacts →

Exact match

“Ethical Power Group launched in the UK in 2010.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLiverpool Street, United KingdomHQ recorded Nov 6, 202651-200183 contacts →

Exact match

“Invinity Energy Systems plc (AIM:IES) manufactures vanadium flow batteries for the large-scale energy storage requirements of businesses, industry and electricity networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNewcastle Under Lyme, United KingdomHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“GivEnergy – No.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKnaresborough, United KingdomHQ recorded Nov 6, 202651-20076 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20061 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchInverurie, United KingdomHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Verlume is a leader in intelligent energy management and storage technologies for the energy industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Voltwise develops, owns and operates flexible energy storage solutions that allow rapid deployment of renewables.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Connected Energy is a world leader in battery energy storage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-50038 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNottingham, United KingdomHQ recorded Nov 6, 202651-20033 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“At Powervault, we are on a mission to pioneer a sustainable energy future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchChorley, United KingdomHQ recorded Nov 6, 202651-20030 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Nov 6, 202611-5024 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCarnforth, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Energy Storage Experts Modular hybrid power systems designed for rapid deployment with multiple renewable energy sources in any environment Making Clean Power Work Whether you…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSalford, United KingdomHQ recorded Nov 6, 202611-5017 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDursley, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“AlphaESS UK is the exclusive partner of AlphaESS, a global leader in advanced battery energy storage solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChesham, United KingdomHQ recorded Nov 6, 202611-5012 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSouth Kensington, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Moonlight Energy keeps commercial electric vehicles moving.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchEdinburgh, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“StorTera is an Edinburgh based energy storage solution provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchStoke Prior, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Aceleron is an innovative UK-based advanced lithium battery developer aiming to accelerate the global shift to cleaner, more renewable energy and to empower people to benefit from…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchTelford, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“AceOn Group, the battery power specialists, based in Shropshire, specialise in the design and assembly of custom built battery packs and the distribution of industrial and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHamilton, United KingdomHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“Intelligent Land Investments Group (ILI Group) works primarily in the Renewable energy and Energy Storage markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 119 flow battery storage providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 990 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Flow battery storage providers based in the United Kingdom at a glance

As of Nov 6, 2026
44.0%Verified-email coverage
18.9Average contacts per company
11-50Median size (employees)
31.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
43
51-200
12
201-500
1
501-1,000
1
1,001-5,000
4
10001+
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 119 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 “flow battery storage providers” 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 990 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 November 6, 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.

Flow battery storage providers 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 “flow battery storage providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many flow battery storage providers are there based in the United Kingdom?

RevenueBase identified 119 company matches for flow battery storage providers associated with the United Kingdom as of November 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?

Ethical Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most flow battery storage providers?

London leads with 38 company records, followed by Bristol (3) and Nottingham (3).

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 990 professional contacts with verified work emails tracked across these 119 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 119 flow battery storage providers 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.