The global electrolyser market is projected to reach $25.5 billion by 2030. Annual installations grew from 0.1 GW to 0.7 GW in a recent three-year period. This analysis tracks the real capacity expansions, investments, and policy shifts shaping the industry beyond its headline forecasts.
Key Takeaways
- Global electrolyser market size was valued at USD 1.2 billion in 2022 and projected to reach USD 25.5 billion by 2030 at a CAGR of 46.5%
- Global investments in electrolyser manufacturing reached USD 5 billion in 2023
- Global electrolyser manufacturing capacity surged to 30 GW in 2023 from 10 GW in 2022
- IRENA reports 100+ GW electrolyser capacity needed by 2030 supported by policy incentives
- Europe leads with 45% of global electrolyser projects in development totaling 50 GW
- PEM electrolysers achieve 70% efficiency with current densities up to 2.5 A/cm² at 60°C
Electrolyser industry data shows rapid growth driven by accelerating renewable power demand and falling system costs.
Related reading
01 · Category
Global Market Size And Projections30 stats
01
Global electrolyser market size was valued at USD 1.2 billion in 2022 and projected to reach USD 25.5 billion by 2030 at a CAGR of 46.5%
02
Annual global electrolyser installations grew from 0.1 GW in 2019 to 0.7 GW in 2022
03
Projected global electrolyser capacity to hit 560 GW by 2050 under net-zero scenario
04
Electrolyser market revenue expected to grow at 39% CAGR from 2023-2032 reaching USD 36.55 billion
05
Worldwide electrolyser capacity additions forecasted at 8 GW annually by 2025
06
Global PEM electrolyser market to expand from USD 0.5 billion in 2023 to USD 10 billion by 2030
07
Alkaline electrolyser segment dominated with 70% market share in 2022 valued at USD 0.84 billion
08
Total global electrolyser manufacturing capacity stood at 15 GW in 2023
09
Electrolyser costs declined 60% from 2010-2022 averaging USD 1000/kW
10
Forecasted 40 GW cumulative electrolyser capacity by 2027 globally
11
Global SOEC electrolyser market projected to grow from USD 200 million in 2023 to USD 2.5 billion by 2030
12
Electrolyser capacity utilization rate averaged 25% globally in 2022
13
Projected electrolyser market to reach USD 47 billion by 2032 at 44.2% CAGR
14
Global electrolyser shipments reached 1.5 GW in 2023
15
Expected 139 GW electrolyser capacity online by 2030 under IEA Stated Policies Scenario
16
PEM electrolysers to capture 45% of global market by 2030 valued at USD 11.5 billion
17
Global electrolyser capex costs fell to USD 850/kW in 2023 from USD 2000/kW in 2018
18
Annual global electrolyser market growth rate hit 50% YoY in 2023
19
Projected 80 GW electrolyser manufacturing capacity by 2028
20
Global AEM electrolyser market nascent at USD 50 million in 2023 growing to USD 1.2 billion by 2030
21
Electrolyser capacity expected to multiply 25-fold to 40 GW by 2027
22
Global market for electrolysers in power-to-X applications to reach USD 15 billion by 2030
23
2023 global electrolyser orders totaled 38 GW
24
Projected electrolyser stack costs to drop to USD 300/kW by 2030
25
Global electrolyser revenue forecasted at USD 7.5 billion in 2025
26
Cumulative global electrolyser deployments reached 2 GW by end-2023
27
Market share of Chinese electrolysers rose to 40% globally in 2023
28
Global electrolyser capacity factor projected to rise to 50% by 2030
29
Electrolyser market valued at USD 2.1 billion in 2023 with 42% CAGR to 2030
30
Forecasted 220 GW annual electrolyser manufacturing capacity by 2030
Interpretation
Global Market Size And Projections Interpretation
For the global market size and projections angle, electrolyser investment is scaling rapidly with the market rising from USD 1.2 billion in 2022 to USD 25.5 billion by 2030 at a 46.5% CAGR and annual installations climbing from 0.1 GW in 2019 to 0.7 GW in 2022.
02 · Category
Investments And Finance24 stats
01
Global investments in electrolyser manufacturing reached USD 5 billion in 2023
02
EU IPCEI Hy2Use allocates EUR 5.2 billion for 40 electrolyser projects
03
US DOE Hydrogen Hubs fund USD 7 billion including 10 GW electrolysers
04
BlackRock invests USD 1 billion in electrolyser developer Hyzon
05
Australia's Future Fund commits AUD 1 billion to green hydrogen including electrolysers
06
Saudi PIF invests USD 5 billion in NEOM's 4 GW electrolyser project
07
ITM Power raises GBP 285 million for 1 GW factory expansion
08
Plug Power secures USD 1.66 billion DoE loan for green hydrogen plants
09
Cummins invests USD 500 million in electrolyser gigafactory Spain
10
Enapter Series B funding EUR 52 million for AEM scaling
11
McPhy raises EUR 100 million for gigafactory construction
12
Nel Hydrogen secures NOK 1.5 billion order book with investments
13
Sunfire USD 75 million Series C for SOEC production ramp
14
Thyssenkrupp nucera IPO raises EUR 600 million for expansion
15
China's Silk Road Fund invests USD 1 billion in hydrogen infrastructure
16
Japan's JERA invests JPY 100 billion in electrolyser R&D
17
India's NTPC Green Energy USD 1 billion for 1 GW electrolysers
18
TotalEnergies partners USD 200 million in electrolyser JV France
19
Fortescue Future Industries AUD 500 million electrolyser deployment
20
EU Innovation Fund awards EUR 1.2 billion to electrolyser projects
21
US ARPA-E funds USD 50 million for next-gen electrolysers
22
UK's GBP 1 billion Net Zero Hydrogen Fund for electrolysers
23
Global VCs invest USD 2.5 billion in hydrogen startups 2023 with 40% electrolysers
24
Germany's KfW bank EUR 2 billion loans for electrolyser manufacturing
Interpretation
Investments And Finance Interpretation
In the Investments And Finance landscape, record scale funding is accelerating with billions mobilized across regions such as USD 5 billion for global electrolyser manufacturing in 2023 and major programs like the US DOE’s USD 7 billion Hydrogen Hubs backing 10 GW of electrolysers.
03 · Category
Manufacturing And Capacity Expansions20 stats
01
Global electrolyser manufacturing capacity surged to 30 GW in 2023 from 10 GW in 2022
02
Cummins announced 4 GW electrolyser gigafactory in Spain producing 24,000 stacks/year
03
ITM Power scales to 1 GW/year production capacity at Sheffield factory by 2025
04
Plug Power's 1 GW electrolyser facility in Tennessee operational by 2025
05
Nel Hydrogen's Herøya plant Norway at 500 MW/year with expansion to 1.5 GW
06
Thyssenkrupp nucera 1 GW alkaline electrolyser production line in Italy
07
Sunfire's Dresden factory targets 1.3 GW SOEC capacity by 2026
08
McPhy Energy Castres plant France 80 MW/year scaling to 1 GW by 2027
09
Enapter's Pisa Italy facility produces 20 MW/week AEM electrolysers
10
John Cockerill's 200 MW/year electrolyser line in Belgium expanding to 2 GW
11
China's Longi Green Energy 500 MW PEM electrolyser plant operational 2023
12
Siemens Energy's 1 GW electrolyser factory in Berlin by 2025
13
Asahi Kasei's 100 MW alkaline electrolyser pilot scaling to 1 GW Japan
14
Hyosung's South Korea 1 GW PEM electrolyser manufacturing hub 2024
15
Cummins Spain gigafactory to produce 2.5 tons H2/hour per MW module
16
Nel ASA's Michigan USA factory 1.5 GW capacity by 2026
17
Ohmium's 1 GW PEM electrolyser facility in India operational 2024
18
H-TEC Systems Germany expands to 300 MW/year PEM production
19
ITM Power's 500 MW/year additional line online 2024
20
Plug Power's Georgia USA 1 GW SOEC line planned 2025
Interpretation
Manufacturing And Capacity Expansions Interpretation
In manufacturing and capacity expansions, global electrolyser output jumped to 30 GW in 2023 from 10 GW in 2022 as major projects ramp to multi gigawatt production levels across regions, including Cummins’ 4 GW gigafactory in Spain and Thyssenkrupp nucera’s 1 GW alkaline line in Italy.
More related reading
04 · Category
Policy And Regional Insights10 stats
01
IRENA reports 100+ GW electrolyser capacity needed by 2030 supported by policy incentives
02
EU Hydrogen Strategy mandates 40 GW electrolysers by 2030 with EUR 470 billion investment
03
US tax credit 45V offers up to USD 3/kg H2 for electrolyser-produced hydrogen
04
China's 14th Five-Year Plan includes RMB 1.5 trillion for hydrogen with electrolyser subsidies
05
India's PLI scheme allocates INR 17,490 crore for electrolyser manufacturing incentives
06
Australia's Hydrogen Headstart grants AUD 500 million for electrolyser projects
07
Germany's H2Global scheme subsidizes 900,000 tons green H2 from electrolysers
08
Japan's Basic Hydrogen Strategy sets electrolyser cost target 150 JPY/Nm3 by 2030
09
South Africa's Hydrogen Society Roadmap targets 4 GW electrolysers by 2035
10
Canada's Clean Hydrogen Investment Tax Credit up to 40% for electrolysers
Interpretation
Policy And Regional Insights Interpretation
Across key regions, governments are using large, time-bound incentives to accelerate electrolyser deployment, with targets and funding like the EU’s 40 GW by 2030 backed by EUR 470 billion and China’s RMB 1.5 trillion hydrogen push underscoring that policy support is the critical driver of the 2030 buildout.
05 · Category
Regional Developments24 stats
01
Europe leads with 45% of global electrolyser projects in development totaling 50 GW
02
China announced 50 GW electrolyser capacity target by 2025 representing 30% of global total
03
US Inflation Reduction Act supports 10 GW electrolyser deployments by 2030
04
India plans 5 GW electrolyser manufacturing capacity by 2025 under National Green Hydrogen Mission
05
Australia's electrolyser projects pipeline exceeds 15 GW focused on exports
06
Germany's National Hydrogen Strategy targets 10 GW electrolyser capacity by 2030
07
Japan aims for 4 GW domestic electrolysers by 2030 with electrolyser cost below 200 yen/Nm3 H2
08
Saudi Arabia's NEOM project includes 4 GW electrolyser for green ammonia
09
South Korea's Hydrogen Economy Roadmap targets 6.2 GW electrolysers by 2030
10
Brazil's Petrobras plans 1 GW electrolyser hub by 2030 for green hydrogen exports
11
UAE's Masdar targets 1 GW electrolyser capacity by 2030 in Abu Dhabi
12
UK's 10 GW offshore wind to hydrogen projects include 2 GW electrolysers by 2030
13
Canada's hydrogen strategy forecasts 6-10 GW electrolysers by 2050
14
France's electrolyser manufacturing capacity to reach 6.5 GW by 2028 via McPhy and partners
15
Netherlands' Delta Rhine Corridor plans 1 GW electrolysers for industry by 2030
16
Chile's Atacama Desert hosts 1.2 GW electrolyser projects for green hydrogen export
17
Morocco's electrolyser roadmap targets 4 GW by 2030 for Europe exports
18
Spain's PERTE VI-H2 funds 4 GW electrolysers with 790 million euros
19
Norway's 1.6 GW Mongstad electrolyser project to produce 150,000 tons H2 annually
20
Singapore imports 100 MW electrolyser capacity for aviation fuel by 2025
21
New Zealand's 210 MW Lake Heron electrolyser to produce 20,000 tons H2/year
22
Italy's IPCEI Hy2Tech approves 1 GW electrolyser projects across Europe
23
Denmark's 100 MW GreenLab electrolyser operational producing 11,000 tons H2/year
24
Finland's 100 MW Pori electrolyser for steelmaking by 2026
Interpretation
Regional Developments Interpretation
Regional momentum is clearly building for electrolyser deployment, with Europe accounting for 45% of global projects and totaling 50 GW in development while countries like China targeting 50 GW by 2025 and Germany aiming for 10 GW by 2030 signal accelerating national rollouts under regional developments.
06 · Category
Technological Specifications And Efficiency20 stats
01
PEM electrolysers achieve 70% efficiency with current densities up to 2.5 A/cm² at 60°C
02
Alkaline electrolysers operate at 60-80% efficiency with stack lifetimes over 80,000 hours
03
SOEC technology reaches 90% electrical efficiency at 700°C operating temperature
04
AEM electrolysers demonstrate 65% efficiency with hydroxide ion conductivity >100 mS/cm
05
PEM electrolyser current density improved to 3 A/cm² with iridium loading reduced to 0.1 mg/cm²
06
Alkaline electrolyser CAPEX targets USD 200/kW with 5 MW stack modules
07
SOEC degradation rate below 1% per 1000 hours at 800°C with metal-supported cells
08
PEM electrolysers pressure capability up to 30 bar without compressor losses
09
AEM electrolyser voltage efficiency 75% at 1 A/cm² using non-PGM catalysts
10
Alkaline KOH concentration optimized at 25-30% for 2 V cell voltage at 1 A/cm²
11
SOEC hydrogen production rate 10 Nm³/h/m² at 850°C stack temperature
12
PEM durability exceeds 50,000 hours with <1 µV/h degradation rate
13
AEM membrane thickness reduced to 20 µm enabling 67% round-trip efficiency
14
Alkaline electrolyser partial load efficiency maintains >50% down to 10% capacity
15
SOEC system efficiency hits 95% LHV with heat integration
16
PEM electrolyser stack power density 4 kW/liter with titanium bipolar plates
17
AEM electrolyser startup time <1 minute with dynamic operation capability
18
Alkaline separator diaphragm porosity 90% reduces gas crossover to <1%
19
SOEC fuel utilization up to 90% in co-electrolysis of CO2 and H2O
20
PEM catalyst layer optimization yields 2.8 V at 2 A/cm² 80°C operation
Interpretation
Technological Specifications And Efficiency Interpretation
Across technological specifications and efficiency, the clear trend is that higher operating temperature and advanced designs are pushing performance up from roughly 60 to 70 percent in PEM and alkaline systems to about 90 percent electrical efficiency in SOEC operating at 700°C, while improvements like PEM reaching 3 A/cm² at 0.1 mg/cm² iridium show efficiency gains are also being unlocked at practical current densities.
report visual · Projection
Electrolyser industry is scaling fast
From 2019 to 2022, annual global electrolyser installations expanded, and forecasts point to large capacity growth through the coming decades.
0.1 GW
Start
+32.1%
CAGR · 31y
560 GW
Projected
20192050
Reference
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Helena Kowalczyk. (2026, February 13). Electrolyser Industry Statistics. Gitnux. https://gitnux.org/electrolyser-industry-statistics
MLA
Helena Kowalczyk. "Electrolyser Industry Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/electrolyser-industry-statistics.
Chicago
Helena Kowalczyk. 2026. "Electrolyser Industry Statistics." Gitnux. https://gitnux.org/electrolyser-industry-statistics.
Sources & references
89 datasets cited across this report · attribution is report-level