Company lists · Data refreshed September 2026

Top 25 Bioelectricity generation companies based in the United Kingdom

Name: Bioelectricity 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 19, 2026 216 companies tracked

RevenueBase identified 216 bioelectricity generation companies headquartered in the United Kingdom as of September 2026 and tracks 12,811 professional contacts across them, including 5,696 with verified work emails. London is the largest hub.

This list covers bioelectricity generation companies 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 19, 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 19, 2026 86% judged on-target in blind review

216Companies

12,811Contacts tracked

5,696Verified emails

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The 25 largest bioelectricity generation companies based in the United Kingdom

Ranked by team size

Top 25 of 216 bioelectricity generation companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to bioelectricity generation companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	RES	Indirect evidence	Kings Langley, United KingdomHQ checked Sep 19, 2026	1,001-5,000	3,721 contacts →
	Indirect 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 19, 2026
2	Drax Group	Partial evidence	Selby, United KingdomHQ checked Sep 19, 2026	1,001-5,000	1,461 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
3	Lightsource BP	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1,001-5,000	1,114 contacts →
	Indirect 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 19, 2026
4	Nadara	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	501-1,000	629 contacts →
	Indirect evidence “We’re Nadara, one of Europe’s largest renewable energy independent power producers.” Source: RevenueBase Database · checked Sep 19, 2026
5	PX Group	Indirect evidence	Stockton On Tees, United KingdomHQ checked Sep 19, 2026	501-1,000	617 contacts →
	Indirect evidence “px Group is a fully integrated infrastructure solutions business which delivers net zero and stakeholder success through elite performance in the safety, availability, reliability…” Source: RevenueBase Database · checked Sep 19, 2026
6	Sonnedix	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	501-1,000	563 contacts →
	Indirect 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 19, 2026
7	Cubico Sustainable Investments	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	501-1,000	406 contacts →
	Indirect 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 19, 2026
8	Enfinium	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	235 contacts →
	Indirect evidence “Every day enfinium transforms waste into energy to help power homes, businesses and the circular economy.” Source: RevenueBase Database · checked Sep 19, 2026
9	VPI	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	214 contacts →
	Indirect evidence “With a capacity of 3.5GW, we are one of the leading power companies in the UK and Ireland.” Source: RevenueBase Database · checked Sep 19, 2026
10	Octopus Energy Generation	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	153 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 19, 2026
11	British Solar Renewables	Indirect evidence	Shepton Mallet, United KingdomHQ checked Sep 19, 2026	51-200	148 contacts →
	Indirect evidence “Clean energy, powered with purpose.” Source: RevenueBase Database · checked Sep 19, 2026
12	Future Biogas	Indirect evidence	Guildford, United KingdomHQ checked Sep 19, 2026	51-200	142 contacts →
	Indirect evidence “Established in 2010, Future Biogas is at the forefront of the anaerobic digestion industry.” Source: RevenueBase Database · checked Sep 19, 2026
13	Econergy Renewable Energy LTD	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	112 contacts →
	Partial evidence “Our Vision Renewable energy will be the source of power for future generations.” Source: RevenueBase Database · checked Sep 19, 2026
14	Severn Trent Green Power	Indirect evidence	Chipping Norton, United KingdomHQ checked Sep 19, 2026	51-200	90 contacts →
	Indirect evidence “We are a leading renewable energy company specialising in organic waste recycling and the largest producer of renewable energy from food waste in the UK.” Source: RevenueBase Database · checked Sep 19, 2026
15	Innova	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	77 contacts →
	Indirect evidence “Innova is a forward-thinking renewable energy business, employing people across two offices in London and Cheltenham.” Source: RevenueBase Database · checked Sep 19, 2026
16	Enviromena	Indirect evidence	Reading, United KingdomHQ checked Sep 19, 2026	51-200	75 contacts →
	Indirect evidence “Enviromena is an independent power producer operating across the UK and Europe.” Source: RevenueBase Database · checked Sep 19, 2026
17	Nexta Capital Partners	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	65 contacts →
	Indirect evidence “Nexta Capital Partners is a holding company which originates, develops, finances builds and operates renewable infrastructure assets.” Source: RevenueBase Database · checked Sep 19, 2026
18	BIO Capital	Indirect evidence	Buntingford, United KingdomHQ checked Sep 19, 2026	51-200	63 contacts →
	Indirect evidence “Bio Capital owns and operates Anaerobic Digestion plants in the UK with a growing and diverse portfolio.” Source: RevenueBase Database · checked Sep 19, 2026
19	Elements Green	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	51 contacts →
	Indirect evidence “Elements Green (EG) is a leading renewable energy developer headquartered in London, specialising in utility-scale solar PV systems and battery energy storage solutions.” Source: RevenueBase Database · checked Sep 19, 2026
20	MVV Environment Limited	Indirect evidence	Plymouth, United KingdomHQ checked Sep 19, 2026	51-200	48 contacts →
	Indirect evidence “MVV Environment Ltd in the UK has 3 sites, Baldovie in Dundee and Devonport in Plymouth, which provide combined heat and power energy from waste solution for non-recyclable waste…” Source: RevenueBase Database · checked Sep 19, 2026
21	Agrivert	Indirect evidence	Witney, United KingdomHQ checked Sep 19, 2026	n/a	42 contacts →
	Indirect evidence “Agrivert is a specialist in renewable energy.” Source: RevenueBase Database · checked Sep 19, 2026
22	Greenfield	Indirect evidence	Kings Cross, United KingdomHQ checked Sep 19, 2026	11-50	41 contacts →
	Indirect evidence “Greenfield specialise in the investment, development and delivery of sustainable and renewable-led infrastructure projects.” Source: RevenueBase Database · checked Sep 19, 2026
23	Belltown Power	Indirect evidence	Bristol, United KingdomHQ checked Sep 19, 2026	11-50	40 contacts →
	Indirect evidence “Belltown Power is an international renewable energy company (IPP).” Source: RevenueBase Database · checked Sep 19, 2026
24	Wykes Engineering LTD	Partial evidence	Wymington, United KingdomHQ checked Sep 19, 2026	51-200	40 contacts →
	Partial evidence “Wykes Engineering Ltd is at the forefront of the green energy revolution, manufacturing a range of products for renewable power generation.” Source: RevenueBase Database · checked Sep 19, 2026
25	Brockwell Energy Limited	Indirect evidence	Edinburgh, United KingdomHQ checked Sep 19, 2026	11-50	38 contacts →
	Indirect evidence “Brockwell Energy is a leading multi-technology Independent Power Producer (IPP), dedicated to renewable energy infrastructure.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: bioelectricity generation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names bioelectricity generation companies.
Partial evidence: Its own public description names part of bioelectricity generation companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name bioelectricity generation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 216 bioelectricity generation companies based in the United Kingdom

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Bioelectricity generation companies based in the United Kingdom at a glance

As of Sep 19, 2026

44.5%Verified-email coverage

59.3Average contacts per company

11-50Median size (employees)

35.2%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 216 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 bioelectricity generation companies, 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 “bioelectricity generation companies”. 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 bioelectricity generation companies), 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 bioelectricity generation companies, 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, 5,696 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 19, 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.

Bioelectricity generation companies by metro

Bioelectricity generation companies in London76

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 bioelectricity generation companies, 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 bioelectricity generation companies are there based in the United Kingdom?

RevenueBase identified 216 bioelectricity generation companies 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?

RES, headquartered in Kings Langley, tops this list with the largest team on record.

Which city has the most bioelectricity generation companies?

London leads with 76 headquartered companies, followed by Edinburgh (7) and Bristol (4).

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 5,696 verified decision-maker contacts tracked across these 216 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 19, 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.