Company lists · Data refreshed September 2026
Top 25 Independent power producers UK worldwide
RevenueBase identified 222 independent power producers UK worldwide as of September 2026 and tracks 10,816 professional contacts across them, including 4,082 with verified work emails. The United Kingdom is the largest market and London the largest hub.
This list covers independent power producers UK worldwide, 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 20, 2026. Country and city lists for independent power producers UK follow the table.
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.
The 25 largest independent power producers UK worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 724 contacts → | ||||
Indirect evidence “Meridian generates electricity from 100% renewable sources – water and wind.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 629 contacts → | ||||
Strong evidence “We’re Nadara, one of Europe’s largest renewable energy independent power producers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 456 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 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 362 contacts → | ||||
Strong evidence “Ayana Renewable Power is a leading Independent Power Producer (IPP) in India, committed to accelerating the country’s clean energy transition.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 324 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 291 contacts → | ||||
Indirect evidence “ABEI Energy was born with the aim of establishing a global business, on five continents.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 290 contacts → | ||||
Strong evidence “Cogentrix Energy, LLC is a leading independent power producer.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 269 contacts → | ||||
Strong evidence “Infinis is the largest generator of power from landfill gas in the UK.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 263 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 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 250 contacts → | ||||
Strong evidence “Prosolia Energy is an international Independent Power Producer (IPP) operating in both Distributed Generation and Utility-Scale markets.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 230 contacts → | ||||
Strong evidence “Opdenergy is an Independent Power Producer (IPP) with more than 20 years of experience, operating in Europe, the United States, and Latin America.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 221 contacts → | ||||
Strong evidence “Mytrah Energy (India) Private Limited is one of India’s leading renewable Independent Power Producers and a pioneer in this space.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 214 contacts → | ||||
Strong 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 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 210 contacts → | ||||
Partial evidence “We power the world with green energy!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 208 contacts → | ||||
Partial evidence “Genser Power started operations in 2005 as a company dedicated in providing distributed generation solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 180 contacts → | ||||
Strong evidence “Since its establishment in 2008, Mulilo has grown into one of the leading Independent Power Producers (IPP) in Southern Africa.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 174 contacts → | ||||
Partial evidence “Conrad Energy is a leading UK energy company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 160 contacts → | ||||
Partial evidence “We bring together extraordinary people with the power to change the future™ by delivering renewable energy to the power grid every day.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 153 contacts → | ||||
Strong evidence “Atlantic Power is an independent power producer that owns power generation assets in eleven states in the United States and two provinces in Canada.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 145 contacts → | ||||
Partial evidence “Fulcrum is a leading ICP (Independent Connection Provider) designing and building electricity, gas and water connections and infrastructure for all sizes of residential…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 138 contacts → | ||||
Strong evidence “Zenith Energy is one of Australia’s leading Independent Power Producers, specialising in tailored remote off-grid power generation and urban microgrids.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 135 contacts → | ||||
Indirect evidence “O.P.C.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 131 contacts → | ||||
Strong evidence “BNZ is an independent power producer (IPP) that develops, builds, and operates renewable energy projects in Europe, particularly in Portugal, Italy, and Spain.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 130 contacts → | ||||
Strong evidence “RENOVA is an independent renewable energy developer and power producer.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 112 contacts → | ||||
Partial evidence “Our Vision Renewable energy will be the source of power for future generations.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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: independent power producers UK. 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 independent power producers UK.
- Partial evidence
- Its own public description names part of independent power producers UK, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name independent power producers UK. 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 222 independent power producers UK worldwide
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Independent power producers UK worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 independent power producers UK, 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.
- Coverage
- Every country. Country and city lists for independent power producers UK are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “independent power producers UK”. 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 independent power producers UK), 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 independent power producers UK, and records with no verified work email.
- 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, 4,082 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 20, 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.
Independent power producers UK by location
1 lists · largest firstEvery Independent power producers UK list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 independent power producers UK, 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 independent power producers UK are there worldwide?
RevenueBase identified 222 independent power producers UK worldwide 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?
Meridian Energy, headquartered in Wellington, tops this list with the largest team on record.
Which country has the most independent power producers UK?
The United Kingdom leads with 41 companies. Every independent power producers UK list by country and city is linked on this page.
Which city has the most independent power producers UK?
London leads with 12 headquartered companies, followed by Jakarta (5) and Madrid (5).
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 4,082 verified decision-maker contacts tracked across these 222 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 20, 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.