UK Alkaline Water Electrolysis Market Size & Outlook

The alkaline water electrolysis market in UK is expected to reach a projected revenue of US$ 23.4 million by 2030. A compound annual growth rate of 20.8% is expected of UK alkaline water electrolysis market from 2025 to 2030.
Revenue, 2024 (US$M)
$7.6
Forecast, 2030 (US$M)
$23.4
CAGR, 2025 - 2030
20.8%
Report Coverage
UK

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UK alkaline water electrolysis market, 2018-2030 (US$M)

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UK alkaline water electrolysis market highlights

  • The UK alkaline water electrolysis market generated a revenue of USD 7.6 million in 2024 and is expected to reach USD 23.4 million by 2030.
  • The UK market is expected to grow at a CAGR of 20.8% from 2025 to 2030.
  • In terms of segment, < 30 m3/h was the largest revenue generating type in 2024.
  • < 50 m3/h is the most lucrative type segment registering the fastest growth during the forecast period.

Alkaline water electrolysis market data book summary

Market revenue in 2024USD 7.6 million
Market revenue in 2030USD 23.4 million
Growth rate20.8% (CAGR from 2025 to 2030)
Largest segment< 30 m3/h
Fastest growing segment< 50 m3/h
Historical data2018 - 2023
Base year2024
Forecast period2025 - 2030
Quantitative unitsRevenue in USD million
Market segmentation< 10 m3/h, < 30 m3/h, < 50 m3/h, < 80 m3/h, >= 80 m3/h
Key market players worldwideITM Power PLC, NEL Hydrogen, Cummins Inc, McPhy Energy SA, Thyssenkrupp AG, Asahi Kasei Corp, Green Hydrogen Systems, Enaex, SunHydrogen, Teledyne CARIS

Other key industry trends

  • In terms of revenue, UK accounted for 4.5% of the global alkaline water electrolysis market in 2024.
  • Country-wise, China is expected to lead the global market in terms of revenue in 2030.
  • In Europe, Germany alkaline water electrolysis market is projected to lead the regional market in terms of revenue in 2030.
  • Spain is the fastest growing regional market in Europe and is projected to reach USD 16.5 million by 2030.

< 30 m3/h was the largest segment with a revenue share of 35.53% in 2024. Horizon Databook has segmented the UK alkaline water electrolysis market based on < 10 m3/h, < 30 m3/h, < 50 m3/h, < 80 m3/h, >= 80 m3/h covering the revenue growth of each sub-segment from 2018 to 2030.


UK’s significant focus on renewable energy integration, the market is projected to expand due to investments in hydrogen infrastructure and technology advancements. Key applications include power generation, industrial processes, and transportation, where hydrogen is utilized as a clean fuel alternative. 

Major players in the market, such as ITM Power and Nel Hydrogen, are actively enhancing their electrolysis technologies to improve efficiency and reduce costs. Additionally, supportive government policies, including funding for hydrogen projects and initiatives promoting sustainable energy, are expected to further bolster market growth in the UK, positioning it as a leader in the European hydrogen economy.

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Alkaline Water Electrolysis Market Companies

Name Profile # Employees HQ Website
Teledyne CARIS View profile 101-250 Fredericton, New Brunswick, Canada, North America http://www.teledynecaris.com/en
SunHydrogen View profile 1-10 Santa Barbara, California, United States, North America https://sunhydrogen.com/
Enaex View profile 5001-10000 Santiago, Oaxaca, Mexico, North America http://www.enaex.com
NEL Hydrogen View profile 501-1000 Oslo, Oslo, Norway, Europe https://nelhydrogen.com
Green Hydrogen Systems View profile 251-500 Kolding, Syddanmark, Denmark, Europe http://greenhydrogen.dk/
McPhy Energy SA View profile 265 1115, Route de Saint-Thomas, La Motte-Fanjas, France, 26190 http://www.mcphy.com
ITM Power PLC View profile 406 2 Bessemer Park, Shepcote Lane, Sheffield, United Kingdom, S9 1DZ https://www.itm-power.com
Thyssenkrupp AG View profile 100202 ThyssenKrupp Allee 1, Essen, NW, Germany, 45143 https://www.thyssenkrupp.com
Cummins Inc View profile 75500 500 Jackson Street, Box 3005, Columbus, IN, United States, 47202-3005 https://www.cummins.com
Asahi Kasei Corp View profile 48897 1-105 Kanda Jinbocho, Chiyoda-ku, Tokyo, Japan, 101-8101 http://www.asahi-kasei.co.jp

UK alkaline water electrolysis market size, by application, 2018-2030 (US$M)

UK Alkaline Water Electrolysis Market Outlook Share, 2024 & 2030 (US$M)

UK alkaline water electrolysis market size, by application, 2018-2030 (US$M)

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