Last updated: 24 Jun 2026 · 135 companies indexed

Electrolyzer ManufacturersUnited Kingdom

135 electrolyzer companies in United Kingdom. European electrolyzer capacity needs to scale from ~1 GW installed (2024) to 100 GW by 2030 per REPowerEU targets. Three dominant technologies compete: PEM (fast response, high cost), alkaline (mature, lower cost), and SOEC (highest efficiency, least mature). Stack costs dropped 40% since 2020 but remain at €500-1,200/kW.

Companies Showing 101–135 of 135Page 3 of 3
Company Name
SEI OXFORD OFFICE LIMITED
OXFORD, OXFORDSHIRE, GB·GB799904649
ROTHAMSTED RESEARCH LTD
HERTS, GB·GB197420151
Department of Health
Leeds, GB·GB888815064
Logan Energy Ltd
Edinburgh, GB
Hydrogen refueling stations and fuel cell system integration.
HiiROC Ltd
Hull, GB
HiiROC develops thermal plasma electrolysis technology for affordable clean hydrogen production with zero CO2 emissio...
GeoPura Ltd
Cheshire, GB
Mobile green hydrogen power units for off-grid applications.
Element 2 Ltd
Glasgow, GB
UK hydrogen refueling network developer for heavy-duty transport.
Protium Green Solutions Ltd
London, GB
Green hydrogen project developer and asset owner.
ITM Power PLC
Sheffield, GB
ITM Power PLC ist ein Hersteller von PEM-Elektrolyseuren für die Wasserstoffproduktion mit Sitz in Sheffield, Großbri...
H2GO Power Ltd
London, GB
Solid-state hydrogen storage using AI-optimized nanomaterials.
AFC Energy PLC
Cranleigh, GB
Alkaline fuel cell systems for off-grid power generation.
Police Service of Northern Ireland
Belfast, GB
Police Service of Northern Ireland en Belfast participa en iniciativas de transición energética a nivel sectorial.
Ryse Hydrogen Ltd
London, GB
Green hydrogen production hub developer. London Gateway.
Ceres Power Holdings PLC
Horsham, GB
Solid oxide fuel cell technology licensor. SteelCell platform.
LIMITSTATE LIMITED
Sheffield, GB·GB895305594
ICOMAT LIMITED
Bristol, GB·GB326574685
LEASK MARINE LIMITED
Orkney, GB·GB384820826
HSSMI Consulting Ltd
London, GB·GB472503404
ZEROAVIA LTD
KEMBLE, GB·GB331687886
RICARDO UK LIMITED
SHOREHAM BY SEA WEST SUSSEX, GB·GB272643062
NATURE POSITIVE LIMITED
HELSBY, GB·GB918476001
CAP ENGINEERING SERVICES LIMITED
BRIDGEND, GB·GB404175917
NOVA INNOVATION LTD
Edinburgh, GB·GB996622468
DNV SERVICES UK LIMITED
LONDON, GB·GB440601395
EARLHAM INSTITUTE
NORWICH, GB·GB100108005
VANGUARD SUSTAINABLE TRANSPORT SOLUTION LIMITED
BIRMINGHAM, GB·GB365743962
CUMMINS ELECTRIFIED POWER EUROPE LTD.
EDINBURGH, GB·GB299223818
Freda Health Products Ltd
London, GB·GB240241850
Clean Power Hydrogen PLC
Doncaster, GB
Membrane-free electrolyzer technology for green hydrogen.
Bramble Energy Ltd
Crawley, GB
Printed Circuit Board Fuel Cell (PCBFC) technology.
SiGNa Hydrogen (UK)
London, GB
Sodium silicide hydrogen generation for portable power.
135 total results