Company lists · Data refreshed September 2026

Top 25 Rural renewable energy suppliers based in the United Kingdom

RevenueBase identified 1,146 rural renewable energy suppliers headquartered in the United Kingdom as of September 2026 and tracks 23,576 professional contacts across them, including 8,669 with verified work emails. London is the largest hub.

This list covers rural renewable energy suppliers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
1,146Companies
23,576Contacts tracked
8,669Verified emails
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The 25 largest rural renewable energy suppliers based in the United Kingdom

Ranked by team size
Top 25 of 1,146 rural renewable energy suppliers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to rural renewable energy suppliers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 17, 20261,001-5,0003,989 contacts →

Partial evidence

“We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.”

Source: RevenueBase Database · checked Sep 17, 2026
2Strong evidenceKings Langley, United KingdomHQ checked Sep 17, 20261,001-5,0003,721 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 17, 2026
3Strong evidenceLondon, United KingdomHQ checked Sep 17, 20261,001-5,0001,114 contacts →

Strong evidence

“Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.”

Source: RevenueBase Database · checked Sep 17, 2026
4Strong evidenceLondon, United KingdomHQ checked Sep 17, 2026501-1,000629 contacts →

Strong evidence

“We’re Nadara, one of Europe’s largest renewable energy independent power producers.”

Source: RevenueBase Database · checked Sep 17, 2026
5Strong evidenceLondon, United KingdomHQ checked Sep 17, 2026501-1,000563 contacts →

Strong evidence

“Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.”

Source: RevenueBase Database · checked Sep 17, 2026
6Strong evidenceChippenham, United KingdomHQ checked Sep 17, 2026201-500456 contacts →

Strong evidence

“Good Energy has been driving the UK’s renewable energy revolution since helping homes and businesses become greener and more self-sufficient through clean power and green…”

Source: RevenueBase Database · checked Sep 17, 2026
7Strong evidenceLondon, United KingdomHQ checked Sep 17, 2026501-1,000406 contacts →

Strong evidence

“Cubico Sustainable Investments is one of the world’s largest privately-owned renewable energy companies, leveraging our strong local presence with a unique combination of in-house…”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceLondon, United KingdomHQ checked Sep 17, 2026201-500378 contacts →

Partial evidence

“We do energy, you do you.”

Source: RevenueBase Database · checked Sep 17, 2026
9Strong evidenceNorthampton, United KingdomHQ checked Sep 17, 2026501-1,000263 contacts →

Strong evidence

“Opus Energy is a leading independent supplier of renewable source electricity to businesses all across the UK.”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceExeter, United KingdomHQ checked Sep 17, 202651-200231 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
11Strong evidenceAldermaston Nr Reading, United KingdomHQ checked Sep 17, 2026201-500216 contacts →

Strong evidence

“Anesco is a market leader in renewable energy and energy efficiency.”

Source: RevenueBase Database · checked Sep 17, 2026
12Strong evidenceLondon, United KingdomHQ checked Sep 17, 202651-200195 contacts →

Strong evidence

“Low Carbon creates renewable energy to fight climate change.”

Source: RevenueBase Database · checked Sep 17, 2026
13Partial evidenceLondon, United KingdomHQ checked Sep 17, 2026201-500153 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 17, 2026
14Partial evidenceShepton Mallet, United KingdomHQ checked Sep 17, 202651-200148 contacts →

Partial evidence

“Clean energy, powered with purpose.”

Source: RevenueBase Database · checked Sep 17, 2026
15Partial evidenceNewcastle, United KingdomHQ checked Sep 17, 202651-200137 contacts →

Partial evidence

“GeoPura has a totally zero emissions answer to how we’re going to generate and distribute the vast amount of energy required to decarbonise our global economies.”

Source: RevenueBase Database · checked Sep 17, 2026
16Partial evidenceBirmingham, United KingdomHQ checked Sep 17, 202651-200129 contacts →

Partial evidence

“Part of the Statkraft group, we provide British businesses with zero carbon, 100% renewable electricity*, sourced solely from Solar, Wind and Hydro.”

Source: RevenueBase Database · checked Sep 17, 2026
17Strong evidenceLondon, United KingdomHQ checked Sep 17, 2026501-1,000117 contacts →

Strong evidence

“EDF Renewables is part of one of the world’s leading renewable energy companies in the UK.”

Source: RevenueBase Database · checked Sep 17, 2026
18Strong evidenceLondon, United KingdomHQ checked Sep 17, 202651-200112 contacts →

Strong evidence

“Our Vision Renewable energy will be the source of power for future generations.”

Source: RevenueBase Database · checked Sep 17, 2026
19Strong evidenceEnfield, United KingdomHQ checked Sep 17, 2026201-500112 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 17, 2026
20Strong evidenceWakefield, United KingdomHQ checked Sep 17, 202611-5080 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 17, 2026
21Indirect evidenceMaidenhead, United KingdomHQ checked Sep 17, 202651-20079 contacts →

Indirect evidence

“Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.”

Source: RevenueBase Database · checked Sep 17, 2026
22Strong evidenceLondon, United KingdomHQ checked Sep 17, 202651-20077 contacts →

Strong evidence

“Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.”

Source: RevenueBase Database · checked Sep 17, 2026
23Indirect evidenceReading, United KingdomHQ checked Sep 17, 202651-20075 contacts →

Indirect evidence

“Enviromena is an independent power producer operating across the UK and Europe.”

Source: RevenueBase Database · checked Sep 17, 2026
24Strong evidenceGuiseley, United KingdomHQ checked Sep 17, 202651-20073 contacts →

Strong evidence

“UGP is the highest rated business renewable energy supplier.”

Source: RevenueBase Database · checked Sep 17, 2026
25Partial evidenceLondon, United KingdomHQ checked Sep 17, 202651-20072 contacts →

Partial evidence

“Established in 2006, SolarAid is the world’s first and leading non-profit organisation specialising in providing access to safe, reliable solar energy solutions to communities…”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 1,146 rural renewable energy suppliers based in the United Kingdom

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Rural renewable energy suppliers based in the United Kingdom at a glance

As of Sep 17, 2026
36.8%Verified-email coverage
20.6Average contacts per company
1-10Median size (employees)
18.8%Largest-city concentration · London
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
601
11-50
401
51-200
103
201-500
18
501-1,000
9
1,001-5,000
7
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 1,146 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among rural renewable energy suppliers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “rural renewable energy suppliers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names rural renewable energy suppliers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among rural renewable energy suppliers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 8,669 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Rural renewable energy suppliers by metro

  • Rural renewable energy suppliers in London215

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names rural renewable energy suppliers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many rural renewable energy suppliers are there based in the United Kingdom?

RevenueBase identified 1,146 rural renewable energy suppliers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Octopus Energy, headquartered in London, tops this list with the largest team on record.

Which city has the most rural renewable energy suppliers?

London leads with 215 headquartered companies, followed by Glasgow (22) and Edinburgh (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 8,669 verified decision-maker contacts tracked across these 1,146 companies.

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 Smart Search, 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.