Company lists · Data refreshed October 2026

Top 25 Green energy project developers based in the United Kingdom

RevenueBase identified 1,563 company matches for green energy project developers associated with the United Kingdom as of October 2026 and tracks 34,306 professional contacts across them, including 12,563 with verified work emails. London is the largest hub.

This list covers company matches for green energy project developers 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 October 13, 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 Oct 13, 2026 How this list was built
1,563Companies
34,306Contacts tracked
12,563Verified emails
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The 25 largest green energy project developers based in the United Kingdom

Ranked by team size
Top 25 of 1,563 company matches for green energy project developers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Oct 13, 20261,001-5,0004,318 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 · Oct 13, 2026 · View company records in RevenueBase
2Exact matchKings Langley, United KingdomHQ recorded Oct 13, 20261,001-5,0003,875 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 · Oct 13, 2026 · View company records in RevenueBase
3Exact matchPerth, United KingdomHQ recorded Oct 13, 20261,001-5,0001,643 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 · Oct 13, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 13, 20261,001-5,0001,116 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 · Oct 13, 2026 · View company records in RevenueBase
5Exact matchLiverpool, United KingdomHQ recorded Oct 13, 20261,001-5,0001,055 contacts →

Exact match

“Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 13, 2026501-1,000663 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 13, 2026501-1,000593 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 · Oct 13, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 13, 20261,001-5,000524 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 · Oct 13, 2026 · View company records in RevenueBase
9Exact matchCastle Douglas, United KingdomHQ recorded Oct 13, 2026501-1,000517 contacts →

Exact match

“Natural Power is a leading independent consultancy and service provider for the renewable energy sector.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchChippenham, United KingdomHQ recorded Oct 13, 2026201-500493 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 · Oct 13, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 13, 2026501-1,000423 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 · Oct 13, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 13, 2026201-500395 contacts →

Exact match

“We do energy, you do you.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 13, 2026501-1,000276 contacts →

Exact match

“INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 13, 2026201-500227 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 · Oct 13, 2026 · View company records in RevenueBase
15Exact matchAldermaston Nr Reading, United KingdomHQ recorded Oct 13, 2026201-500204 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-200189 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-200187 contacts →

Exact match

“The Renewable Energy Consultants.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-200185 contacts →

Exact match

“We're creating the renewable energy infrastructure and trading company of the future.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchExeter, United KingdomHQ recorded Oct 13, 202651-200178 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-200168 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 · Oct 13, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 13, 2026201-500167 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 · Oct 13, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 13, 202651-200166 contacts →

Exact match

“Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchShepton Mallet, United KingdomHQ recorded Oct 13, 202651-200162 contacts →

Exact match

“Clean energy, powered with purpose.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchEdinburgh, United KingdomHQ recorded Oct 13, 202651-200145 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 · Oct 13, 2026 · View company records in RevenueBase
25Exact matchBirmingham, United KingdomHQ recorded Oct 13, 202651-200139 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 · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 1,563 green energy project developers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 12,563 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green energy project developers based in the United Kingdom at a glance

As of Oct 13, 2026
36.6%Verified-email coverage
21.9Average contacts per company
1-10Median size (employees)
24.2%Largest-city concentration · London
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
803
11-50
537
51-200
153
201-500
32
501-1,000
13
1,001-5,000
12
5,001-10,000
2
10001+
3

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 1,563 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 “green energy project developers” 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 12,563 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 October 13, 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 “green energy project developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green energy project developers are there based in the United Kingdom?

RevenueBase identified 1,563 company matches for green energy project developers associated with the United Kingdom as of October 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 green energy project developers?

London leads with 378 company records, followed by Edinburgh (35) and Glasgow (30).

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 12,563 professional contacts with verified work emails tracked across these 1,563 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 October 13, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,563 green energy project developers based in the United Kingdom. Start with a free account, no credit card.

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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.