Company lists · Data refreshed September 2026

Top 25 Renewable power generation companies based in the United Kingdom

Name: Renewable power generation 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 747 companies tracked

RevenueBase identified 747 company matches for renewable power generation companies associated with the United Kingdom as of September 2026 and tracks 36,788 professional contacts across them, including 12,470 with verified work emails. London is the largest hub.

This list covers company matches for renewable power generation 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

747Companies

36,788Contacts tracked

12,470Verified emails

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The 25 largest renewable power generation companies based in the United Kingdom

Ranked by team size

Top 25 of 747 company matches for renewable power generation 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	EDF UK	Exact match	London, United KingdomHQ recorded Sep 17, 2026	10001+	8,188 contacts →
	Exact match “EDF is leading the charge towards An Electric Britain to help make energy more affordable and sustainable.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	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
3	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
4	SSE Renewables	Exact match	Perth, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,900 contacts →
	Exact match “SSE Renewables is a leading developer and operator of renewable energy generation, headquartered in the UK and Ireland, with a growing presence internationally.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Drax Group	Exact match	Selby, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,461 contacts →
	Exact match “Drax is enabling a zero carbon, lower cost energy future Drax Group is a renewable and flexible generation energy company engaged in renewable power generation, the production of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	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
7	Nadara	Exact match	London, United KingdomHQ recorded Sep 17, 2026	501-1,000	629 contacts →
	Exact match “We’re Nadara, one of Europe’s largest renewable energy independent power producers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	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
9	Atlantica Sustainable Infrastructure PLC	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	503 contacts →
	Exact match “Atlantica is a sustainable infrastructure company that owns, manages, develops, builds and invests in renewable energy, storage, efficient natural gas and heat, transmission lines…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	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
11	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
12	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
13	Zenobē	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	336 contacts →
	Exact match “We're Zenobē Energy and we're on a mission to make clean power accessible.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Intergen	Exact match	Edinburgh, United KingdomHQ recorded Sep 17, 2026	51-200	324 contacts →
	Exact match “InterGen is a power generation firm with four power plants in operation and a significant development pipeline in the UK, representing a total generation capacity of 2,800…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Infinis	Exact match	Northampton, United KingdomHQ recorded Sep 17, 2026	201-500	269 contacts →
	Exact match “Infinis is the largest generator of power from landfill gas in the UK.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Ethical Power	Exact match	Exeter, United KingdomHQ recorded Sep 17, 2026	51-200	231 contacts →
	Exact match “Ethical Power Group launched in the UK in 2010.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Anesco LTD	Exact match	Aldermaston Nr Reading, United KingdomHQ recorded Sep 17, 2026	201-500	216 contacts →
	Exact match “Anesco is a market leader in renewable energy and energy efficiency.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	VPI	Exact match	London, United KingdomHQ recorded Sep 17, 2026	201-500	214 contacts →
	Exact match “With a capacity of 3.5GW, we are one of the leading power companies in the UK and Ireland.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	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
20	Conrad Energy	Exact match	Abingdon, United KingdomHQ recorded Sep 17, 2026	51-200	174 contacts →
	Exact match “Conrad Energy is a leading UK energy company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Flotation Energy	Exact match	Edinburgh, United KingdomHQ recorded Sep 17, 2026	51-200	154 contacts →
	Exact match “Flotation Energy Ltd delivers clean, green, renewable energy by using our expertise in floating and fixed offshore wind and the energy transition, supporting achievement of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	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
23	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
24	Cero Generation	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	145 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 · Sep 17, 2026 · View company records in RevenueBase
25	Statera Energy	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	142 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 · 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 power generation 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 747 renewable power generation companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 12,470 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable power generation companies based in the United Kingdom at a glance

As of Sep 17, 2026

33.9%Verified-email coverage

49.2Average contacts per company

11-50Median size (employees)

30.0%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

348

11-50

249

51-200

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 747 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 power generation 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 12,470 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 power generation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable power generation companies are there based in the United Kingdom?

RevenueBase identified 747 company matches for renewable power generation 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?

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

Which city has the most renewable power generation companies?

London leads with 224 company records, followed by Edinburgh (26) and Bristol (11).

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 12,470 professional contacts with verified work emails tracked across these 747 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.