Company lists · Data refreshed September 2026

Top 25 Renewable energy for data centers based in the United Kingdom

Name: Renewable energy for data centers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 300 companies tracked

RevenueBase identified 300 company matches for renewable energy for data centers associated with the United Kingdom as of September 2026 and tracks 16,228 professional contacts across them, including 5,624 with verified work emails. London is the largest hub.

This list covers company matches for renewable energy for data centers 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 September 17, 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 Sep 17, 2026 How this list was built

300Companies

16,228Contacts tracked

5,624Verified emails

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The 25 largest renewable energy for data centers based in the United Kingdom

Ranked by team size

Top 25 of 300 company matches for renewable energy for data centers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Octopus Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	3,989 contacts →
	Exact match “We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	RES	Exact match	Kings Langley, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	3,721 contacts →
	Exact match “RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, green hydrogen, transmission, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Lightsource BP	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,114 contacts →
	Exact match “Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Sonnedix	Exact match	London, United KingdomHQ recorded Sep 17, 2026	501-1,000	563 contacts →
	Exact match “Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	LOW Carbon	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	195 contacts →
	Exact match “Low Carbon creates renewable energy to fight climate change.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Octopus Energy Generation	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	153 contacts →
	Exact match “At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	British Solar Renewables	Exact match	Shepton Mallet, United KingdomHQ recorded Sep 17, 2026	51-200	148 contacts →
	Exact match “Clean energy, powered with purpose.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Bryt Energy	Exact match	Birmingham, United KingdomHQ recorded Sep 17, 2026	51-200	129 contacts →
	Exact match “Part of the Statkraft group, we provide British businesses with zero carbon, 100% renewable electricity*, sourced solely from Solar, Wind and Hydro.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	AES	Exact match	Enfield, United KingdomHQ recorded Sep 17, 2026	201-500	112 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 · Sep 17, 2026 · View company records in RevenueBase
10	Krystal	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	89 contacts →
	Exact match “Krystal is a premium UK-based web hosting and cloud services company, here to support you and the planet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Innova	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	77 contacts →
	Exact match “Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	United GAS & Power	Exact match	Guiseley, United KingdomHQ recorded Sep 17, 2026	51-200	73 contacts →
	Exact match “UGP is the highest rated business renewable energy supplier.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Wattstor	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	70 contacts →
	Exact match “Think Outside The Grid.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Ecolution Group	Exact match	Trottiscliffe, United KingdomHQ recorded Sep 17, 2026	51-200	55 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 · Sep 17, 2026 · View company records in RevenueBase
15	Evoenergy	Exact match	Nottingham, United KingdomHQ recorded Sep 17, 2026	11-50	54 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 · Sep 17, 2026 · View company records in RevenueBase
16	Apatura	Exact match	York, United KingdomHQ recorded Sep 17, 2026	51-200	50 contacts →
	Exact match “Operating at the intersection of renewable energy and digital infrastructure, we’re delivering the backbone of the digital world; powering critical services that blend efficiency…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Belltown Power	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	11-50	40 contacts →
	Exact match “Belltown Power is an international renewable energy company (IPP).” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Natpower UK	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	38 contacts →
	Exact match “NatPower UK has the largest clean energy development programme in the UK, aiming at integrating large scale smart clean energy generation and distribution with large scale…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Olympus Power LTD	Exact match	Exeter, United KingdomHQ recorded Sep 17, 2026	11-50	31 contacts →
	Exact match “Zero Carbon Together means we're helping you own your energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Hive Energy	Exact match	East Wellow, United KingdomHQ recorded Sep 17, 2026	201-500	29 contacts →
	Exact match “Hive Energy is on a mission to save the planet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	The BE Company	Exact match	London, United KingdomHQ recorded Sep 17, 2026	501-1,000	29 contacts →
	Exact match “Building the infrastructure layer for the AI era.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Zestec Renewable Energy	Exact match	Bournemouth, United KingdomHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “Owned by funds advised by Octopus Energy Generation, one of Europe’s largest renewable energy investors currently managing renewable assets totalling more than £5bn, we are…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Balance Power	Exact match	St. Helens, United KingdomHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “Balance Power is a leading energy project developer, accelerating the UK's transition to a cleaner, smarter, and more secure energy future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Greenpower Developments LTD	Exact match	Alloa, United KingdomHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	AES Solar	Exact match	Forres, United KingdomHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “AES Solar were established in 1979 in the North-East of Scotland and despite remaining loyal to our local roots we have become the leading solar specialists in Scotland and…” Recorded in the RevenueBase company graph · Sep 17, 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 “renewable energy for data centers”. 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 300 renewable energy for data centers based in the United Kingdom

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Renewable energy for data centers based in the United Kingdom at a glance

As of Sep 17, 2026

34.7%Verified-email coverage

54.1Average contacts per company

11-50Median size (employees)

25.3%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

130

11-50

118

51-200

201-500

501-1,000

1,001-5,000

10001+

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 300 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 “renewable energy for data centers” 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 5,624 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 September 17, 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 “renewable energy for data centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy for data centers are there based in the United Kingdom?

RevenueBase identified 300 company matches for renewable energy for data centers associated with the United Kingdom as of September 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?

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

Which city has the most renewable energy for data centers?

London leads with 76 company records, followed by Manchester (7) and Belfast (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 5,624 professional contacts with verified work emails tracked across these 300 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 September 17, 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.