Company lists · Data refreshed September 2026
Top 25 Micro hydro power installers based in the United Kingdom
RevenueBase identified 113 micro hydro power installers headquartered in the United Kingdom as of September 2026 and tracks 578 professional contacts across them, including 209 with verified work emails. London is the largest hub.
This list covers micro hydro power installers 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 20, 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.
The 25 largest micro hydro power installers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 64 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 31 contacts → | ||||
Indirect evidence “Zero Carbon Together means we're helping you own your energy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 22 contacts → | ||||
Partial evidence “UK based manufacturer of the renowned Rutland Windcharger range of micro wind turbines and the Solar iBoost PV immersion controller.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 19 contacts → | ||||
Indirect evidence “Hydroplan is a leading UK hydropower consultancy specialising in the design, construction and project management of small to medium sized hydropower projects in the UK and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 17 contacts → | ||||
Indirect evidence “With over 70 years combined industry experience, Envirolec Smart Energy Solutions has gained vital expertise and experience in a number of Renewable Technologies.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 17 contacts → | ||||
Indirect evidence “Our aim is to provide renewable energy systems for properties that would clearly benefit from them.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 contacts → | ||||
Indirect evidence “Aniron Renewables delivers commercial and industrial-scale solar PV & BESS systems, taking projects from concept through to construction & O&M.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 12 contacts → | ||||
Partial evidence “Wise Green Energy are a renewable energy installer based in Norwich, our team have over 26 years industry knowledge in all areas of the renewable energy sector.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 11 contacts → | ||||
Partial evidence “RES is a specialist trade partner supporting installers to successfully deliver MCS-compliant renewable energy projects.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 10 contacts → | ||||
Indirect evidence “We take a joined-up approach, helping customers choose renewable energy systems that work well together and perform over time, rather than treating each part in isolation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 9 contacts → | ||||
Indirect evidence “UK leader in hydropower consultancy, environmental licensing, detailed design and specification, project management and installation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 contacts → | ||||
Indirect evidence “The Square 4 Solar team have over 20 years’ experience in designing and installing renewable energy systems.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Strong evidence “DERWENT HYDROELECTRIC POWER LIMITED is a specialist hydropower company, involved in all aspects of UK hydro.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Indirect evidence “Our purpose is to make a positive impact on a global stage through making hydropower affordable and available for everyone with access to a flowing stream or river without any…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 contacts → | ||||
Indirect evidence “An award-winning company founded on the core principles of quality and excellence.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Indirect evidence “At UK Energi, we design and install high-performance renewable energy systems for developers, commercial clients, and homeowners across the UK.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “Daly Renewable Energy Systems is an engineer-led company committed to creating low energy efficient systems for homes, businesses, public and social amenities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 contacts → | ||||
Indirect evidence “Here at Radiant Renewables, we’ve been leading the field in advanced renewable technologies for almost 30 years by providing a range of energy efficient and renewable solutions to…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Indirect evidence “Oxon Energy Ltd is a small family run business providing renewable energy solutions for your business or home.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Indirect evidence “Renewable Energy Solutions for Homes & Businesses” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “Wright Renewables Powered by OVO, is part of the Wright Group of Companies, based in Worksop, Nottinghamshire.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Indirect evidence “Orangehouse Renewables is an accredited and award winning renewable energy company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence “Solar Advanced Systems Ltd is a market leading, innovative solar PV system design and installation company, committed to providing the most affordable, efficient and sustainable…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “At Forest Eco Systems, we believe in inspiring a sustainable future by harnessing renewable energy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “Welcome to Greenio, your partner in renewable energy.” 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: micro hydro power installers. 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 micro hydro power installers.
- Partial evidence
- Its own public description names part of micro hydro power installers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name micro hydro power installers. 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 113 micro hydro power installers based in the United Kingdom
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Micro hydro power installers based in the United Kingdom at a glance
As of Sep 20, 2026Companies by employee count
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 113 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 micro hydro power installers, 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 “micro hydro power installers”. 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 micro hydro power installers), 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 micro hydro power installers, 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, 209 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.
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 micro hydro power installers, 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 micro hydro power installers are there based in the United Kingdom?
RevenueBase identified 113 micro hydro power installers 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?
Dulas LTD, headquartered in Machynlleth, tops this list with the largest team on record.
Which city has the most micro hydro power installers?
London leads with 6 headquartered companies, followed by Manchester (3) and Birmingham (2).
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 209 verified decision-maker contacts tracked across these 113 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.
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