Company lists · Data refreshed September 2026

Top 25 Residential renewable energy companies based in the United Kingdom

Name: Residential renewable energy companies 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 1,402 companies tracked

RevenueBase identified 1,402 company matches for residential renewable energy companies associated with the United Kingdom as of September 2026 and tracks 22,457 professional contacts across them, including 7,809 with verified work emails. London is the largest hub.

This list covers company matches for residential renewable energy 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 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

1,402Companies

22,457Contacts tracked

7,809Verified emails

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The 25 largest residential renewable energy companies based in the United Kingdom

Ranked by team size

Top 25 of 1,402 company matches for residential renewable energy companies 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	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
4	Good Energy	Exact match	Chippenham, United KingdomHQ recorded Sep 17, 2026	201-500	456 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Cubico Sustainable Investments	Exact match	London, United KingdomHQ recorded Sep 17, 2026	501-1,000	406 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	SO Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	378 contacts →
	Exact match “We do energy, you do you.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	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
8	Myenergi	Exact match	Stallingborough, United KingdomHQ recorded Sep 17, 2026	201-500	168 contacts →
	Exact match “We give you control of your generated green energy, creating the ultimate eco-smart home.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	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
10	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
11	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
12	Project Solar UK	Exact match	Burton On Trent, United KingdomHQ recorded Sep 17, 2026	201-500	122 contacts →
	Exact match “Project Solar UK Ltd are a well-established Renewable Energy company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	EDF Renewables UK & Ireland	Exact match	London, United KingdomHQ recorded Sep 17, 2026	501-1,000	117 contacts →
	Exact match “EDF Renewables is part of one of the world’s leading renewable energy companies in the UK.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Econergy Renewable Energy LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	112 contacts →
	Exact match “Our Vision Renewable energy will be the source of power for future generations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	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
16	Glow Green	Exact match	Bournemouth, United KingdomHQ recorded Sep 17, 2026	51-200	110 contacts →
	Exact match “Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Cleaner Group	Exact match	Wakefield, United KingdomHQ recorded Sep 17, 2026	11-50	80 contacts →
	Exact match “Cleaner Group is a UK leader in full turnkey renewable energy solutions; primarily for commercial EV charging and solar PV.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Evergen Solar	Exact match	Maidenhead, United KingdomHQ recorded Sep 17, 2026	51-200	79 contacts →
	Exact match “Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Plug ME In	Exact match	Manchester, United KingdomHQ recorded Sep 17, 2026	11-50	76 contacts →
	Exact match “Powering ahead the UK's clean energy transition.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Energise Energy Solutions	Exact match	Doncaster, United KingdomHQ recorded Sep 17, 2026	201-500	75 contacts →
	Exact match “Specialising in Smart Metering, Isolator Switch Installations & Renewable Energy Solutions Founded in 2018, Energise Energy has been working independently and alongside major…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	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
22	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
23	Dulas LTD	Exact match	Machynlleth, United KingdomHQ recorded Sep 17, 2026	51-200	64 contacts →
	Exact match “With over 35 years of experience in the clean energy sector, Dulas is an award-winning renewable energy installer and consultancy, specialising in the wind, solar and hydro…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	UK Greentech	Exact match	Trafford Park, United KingdomHQ recorded Sep 17, 2026	51-200	61 contacts →
	Exact match “UK Greentech, a division of Edmundson Electrical, is a distributor of quality branded renewables products with locations servicing the whole of the UK.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Scis Group	Exact match	Fareham, United KingdomHQ recorded Sep 17, 2026	51-200	60 contacts →
	Exact match “Hello.” 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 “residential renewable energy 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 1,402 residential renewable energy companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,809 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential renewable energy companies based in the United Kingdom at a glance

As of Sep 17, 2026

34.8%Verified-email coverage

16.0Average contacts per company

1-10Median size (employees)

11.5%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

740

11-50

507

51-200

107

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,402 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 “residential renewable energy 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 7,809 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 “residential renewable energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residential renewable energy companies are there based in the United Kingdom?

RevenueBase identified 1,402 company matches for residential renewable energy companies 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 residential renewable energy companies?

London leads with 161 company records, followed by Manchester (23) and Sheffield (19).

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 7,809 professional contacts with verified work emails tracked across these 1,402 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.