Comprehensive technical specifications and pricing analysis for major electrolyzer manufacturers
Data compiled from manufacturer specifications, industry reports, and verified project announcements (2024-2026). Prices are indicative CAPEX for large-scale installations (>10 MW) and vary significantly based on project scale, location, and specific requirements. All efficiency values are LHV (Lower Heating Value) basis.
Mature technology with lowest CAPEX, suitable for large-scale applications with grid or renewable energy supply. KOH electrolyte, atmospheric to medium pressure output.
| Supplier | Headquarters | Module Size | System Efficiency | Output Pressure | Stack Lifetime | Response Time | Price ($/kW) | Notable Projects | Reference |
|---|---|---|---|---|---|---|---|---|---|
| HydrogenPro | Norway | 20 MW modules | 63-70% LHV (4.3-4.8 kWh/Nm³) |
15-30 bar | 80,000-100,000 hrs | 10-30% load/min | $500-700/kW | ACES Utah (220 MW), Salzgitter Germany (100 MW) | hydrogenpro.com |
| thyssenkrupp nucera | Germany | 20 MW modules | 64-69% LHV (4.4-4.7 kWh/Nm³) |
30 bar standard | 90,000+ hrs | 10-100% in seconds | $600-800/kW | NEOM Saudi Arabia (1.2 GW PEM but also alkaline portfolio), multiple EU projects | thyssenkrupp-nucera.com |
| Nel Hydrogen | Norway | 3.5 MW (Atmosphelic) 10-20 MW (M-Series) |
60-68% LHV (4.5-5.0 kWh/Nm³) |
10-30 bar (M-Series) | 80,000-90,000 hrs | 10-100% in <30 sec | $700-900/kW | HyNor (Norway), Puertollano Spain (20 MW) | nelhydrogen.com |
| McPhy Energy | France | 4-20 MW modules | 62-67% LHV (4.5-4.8 kWh/Nm³) |
10-35 bar | 80,000 hrs | 5-100% variable | $650-850/kW | HyDeal España (9.5 GW planned), multiple French projects | mcphy.com |
| Asahi Kasei | Japan | 10 MW modules | 65-70% LHV (4.3-4.6 kWh/Nm³) |
Up to 30 bar | 90,000+ hrs | Fast response | $700-950/kW | Fukushima Hydrogen Energy Research Field (10 MW) | asahi-kasei.com |
| Sunfire | Germany | 10-20 MW modules | 65-70% LHV (alkaline) 75-85% LHV (SOEC) |
30 bar | 80,000 hrs (alkaline) 35,000 hrs (SOEC) |
10-100% variable | $650-800/kW (alkaline) $1,200-1,800/kW (SOEC) |
BASF Ludwigshafen, multiple pilots | sunfire.de |
Higher efficiency and power density, excellent dynamic response for renewable integration. Higher CAPEX but compact footprint. Requires ultra-pure water and platinum group metals.
| Supplier | Headquarters | Module Size | System Efficiency | Output Pressure | Stack Lifetime | Response Time | Price ($/kW) | Notable Projects | Reference |
|---|---|---|---|---|---|---|---|---|---|
| thyssenkrupp nucera | Germany | 20 MW modules | 67-74% LHV (4.0-4.5 kWh/Nm³) |
30-80 bar | 80,000-100,000 hrs | 0-100% in seconds | $900-1,200/kW | NEOM Saudi Arabia (2 GW), Shell Rhineland | thyssenkrupp-nucera.com |
| Nel Hydrogen | Norway | 2-3.5 MW (MC Series) | 68-73% LHV (4.1-4.4 kWh/Nm³) |
30 bar (upgradeable to 200 bar) | 60,000-80,000 hrs | Milliseconds | $1,000-1,400/kW | NortH2 Netherlands, Air Liquide contracts | nelhydrogen.com |
| Siemens Energy | Germany | 1-17.5 MW (Silyzer 300) | 67-72% LHV (4.2-4.5 kWh/Nm³) |
35 bar | 60,000-90,000 hrs | Sub-second | $1,100-1,500/kW | Masdar UAE (200 MW), Haru Oni Chile | siemens-energy.com |
| ITM Power | UK | 5-24 MW (TRIDENT) | 70-75% LHV (4.0-4.3 kWh/Nm³) |
30-80 bar | 100,000 hrs (claimed) | Immediate | $950-1,300/kW | Linde projects, Shell collaborations | itm-power.com |
| Plug Power | USA | 1-5 MW modules | 65-70% LHV (4.3-4.6 kWh/Nm³) |
30 bar | 80,000 hrs | Fast dynamic | $1,200-1,600/kW | US green hydrogen plants, Amazon partnership | plugpower.com |
| Cummins (Hydrogenics) | USA/Canada | 1-5 MW modules | 68-73% LHV (4.1-4.4 kWh/Nm³) |
30 bar | 80,000 hrs | Milliseconds | $1,100-1,500/kW | BECATEC Germany, Air Liquide Quebec | cummins.com |
| Hitachi Zosen | Japan | 100-500 kW modules | 65-70% LHV | 3 MPa | 60,000 hrs | Fast | $1,400-1,800/kW | Japanese domestic projects | hitachizosen.co.jp |
Highest efficiency through high-temperature operation (700-850°C). Can utilize waste heat for improved economics. Lower TRL, higher CAPEX, thermal cycling challenges.
| Supplier | Headquarters | Module Size | System Efficiency | Operating Temp | Stack Lifetime | Response Time | Price ($/kW) | Notable Projects | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Sunfire | Germany | 150-600 kW modules (scaling to MW) | 81-90% LHV (with heat integration) (3.4-3.7 kWh/Nm³) |
700-850°C | 35,000-45,000 hrs (degradation 0.5%/1000h) |
Minutes (thermal cycling limitation) | $1,500-2,200/kW | BASF Ludwigshafen, Neste renewable fuels | sunfire.de |
| Topsoe | Denmark | 5-500 kW (eCOs) | 83-90% LHV (3.3-3.6 kWh/Nm³) |
700°C | 45,000-60,000 hrs (target) | Slow (thermal constraints) | $1,600-2,400/kW | Copenhagen pilot, eFuel projects | topsoe.com |
| Bloom Energy | USA | 100-245 kW modules | 77-85% LHV (3.5-3.9 kWh/Nm³) |
~750°C | 40,000 hrs (demonstrated) | Minutes | $1,400-2,000/kW | SK E&S Korea partnership, US pilots | bloomenergy.com |
| Fuel Cell Energy | USA | 2.8 MW (solid oxide platform) | 80-90% LHV (reversible) | 650-700°C | 80,000 hrs (fuel cell mode) 35,000 hrs (electrolysis) |
Hours (thermal management) | $1,800-2,500/kW | Connecticut electrolyzer (50 MW planned) | fuelcellenergy.com |
| Ceres Power | UK | 50-500 kW modules (development) | 85-95% LHV (target) | 500-650°C (steel cell tech) | 50,000 hrs (target) | Moderate | $1,500-2,200/kW (projected) | Bosch partnership, Shell collaboration | ceres.tech |
Emerging technology combining alkaline's low-cost materials with PEM's efficiency and compactness. No noble metals required. Lower TRL, limited commercial deployment.
| Supplier | Headquarters | Module Size | System Efficiency | Output Pressure | Stack Lifetime | Status | Price ($/kW) | Notable Projects | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Enapter | Germany | 2.4 kW (AEM Multicore) 1 MW+ (AEM Nexus) |
60-68% LHV (4.5-5.0 kWh/Nm³) |
35 bar | 30,000-60,000 hrs (projected) | Pre-commercial | $800-1,200/kW (target) Currently higher |
Thailand pilot, Campus demonstration | enapter.com |
| Versogen | USA | 250 kW demo units | 62-68% LHV (target) | Up to 50 bar | 50,000 hrs (target) | Development | $600-900/kW (target 2028) | DOE ARPA-E funded, pilot projects | versogen.com |
| Ionomr | Canada | Technology supplier (membranes) | Technology enabler | - | Membrane only | Component supplier | N/A | Partnering with system integrators | ionomr.com |
| Technology | Best For | Advantages | Disadvantages | Typical CAPEX | TRL | Market Share |
|---|---|---|---|---|---|---|
| Alkaline | Large-scale (>50 MW), steady baseload, lowest cost priority |
• Lowest CAPEX ($500-900/kW) • Mature technology (TRL 9) • Long lifetime (80-100k hrs) • No noble metals • Large unit sizes available |
• Lower power density • Slower dynamic response • Corrosive KOH electrolyte • Lower current density • Larger footprint |
$500-900/kW | 9 | ~60% (2024) |
| PEM | Renewable integration, space-constrained sites, high-purity H2, dynamic operation |
• High efficiency (67-75%) • Excellent dynamics (seconds) • Compact design • High-purity output • High pressure capability • Rapid load following |
• Higher CAPEX ($900-1,600/kW) • Requires noble metals (Pt, Ir) • Ultra-pure water needed • Shorter proven lifetime • Complex BOP |
$900-1,600/kW | 8-9 | ~35% (2024) |
| SOEC | Industrial sites with waste heat, eFuels, highest efficiency requirement |
• Highest efficiency (81-90%) • Can use waste heat • Reversible (fuel cell mode) • Lower electricity cost • Co-electrolysis capable |
• Highest CAPEX ($1,500-2,500/kW) • Thermal cycling challenges • Lower TRL (6-7) • Shorter lifetime (35-60k hrs) • Complex thermal management • Slow startup |
$1,500-2,500/kW | 6-7 | ~3% (2024) |
| AEM | Cost-sensitive applications, future projects (2028+) |
• No noble metals needed • PEM-like performance potential • Compact like PEM • Lower cost target • Non-corrosive |
• Low TRL (4-6) • Limited lifetime data • Membrane stability issues • Few commercial units • Unproven at scale |
$600-1,200/kW (target) | 4-6 | <2% (2024) |
Alkaline: $500-900/kW (2024) → $300-500/kW (2030) - driven by manufacturing scale and competition
PEM: $900-1,600/kW (2024) → $500-800/kW (2030) - noble metal reduction, stack optimization, volume production
SOEC: $1,500-2,500/kW (2024) → $800-1,200/kW (2030) - commercialization, lifetime improvement
AEM: Currently pre-commercial → Target $400-700/kW (2030) if technology matures successfully
| Factor | Impact on Selection | Current Trend |
|---|---|---|
| Manufacturing Scale | GW-scale factories reducing costs 30-50% | thyssenkrupp nucera: 5 GW/year capacity by 2025 HydrogenPro China: 500 MW/year operational Plug Power: 3 GW/year by 2025 |
| Supply Chain | Critical materials (iridium, platinum) limiting PEM scale | PEM catalyst loading reduced 80% since 2020 Research into Pt-free catalysts ongoing |
| Regulatory Support | EU IPCEI, US IRA 45V credits favor European/US suppliers | 45V credits: up to $3/kg H2 production tax credit (10 years) EU REPowerEU: €10B hydrogen infrastructure funding |
| Project Size | >100 MW projects achieve 15-25% cost reduction vs. 10 MW | Average project size increasing: 5 MW (2020) → 50 MW (2024) → 200 MW+ (2030 target) |
| Lifetime Extension | Stack replacement OPEX = 20-30% of LCOH | Alkaline: 100,000 hrs now standard PEM: improving from 60k → 100k hrs SOEC: 35k → 60k hrs target |
| Criterion | Weight | Evaluation Factors | Top Performers |
|---|---|---|---|
| Technical Performance | 25% | Efficiency, stack lifetime, response time, pressure output, power density | Alkaline: HydrogenPro, thyssenkrupp nucera PEM: ITM Power, thyssenkrupp nucera SOEC: Sunfire, Topsoe |
| Cost Competitiveness | 30% | CAPEX, OPEX (stack replacement), BOP costs, installation | Best Value Alkaline: HydrogenPro, McPhy Best Value PEM: ITM Power, Cummins Future: AEM (Versogen target) |
| Scale & Availability | 20% | Manufacturing capacity, delivery timeline, module size range, scalability | thyssenkrupp nucera (5 GW/yr), Nel Hydrogen, Plug Power (3 GW/yr target), HydrogenPro China (500 MW/yr) |
| Track Record | 15% | Installed base, operating hours demonstrated, project references, warranty claims | Nel Hydrogen (3,500+ systems), thyssenkrupp nucera (600+ projects), Siemens Energy, Asahi Kasei |
| Support & Service | 10% | Global service network, spare parts availability, technical support, training | Siemens Energy (global footprint), Cummins (service network), Nel Hydrogen, Plug Power (US focus) |
• Prices are indicative for large-scale installations (>10 MW) and vary significantly by project specifics, location, and delivery timeline
• Efficiency values are system-level (including BOP losses), LHV basis at rated capacity
• Stack lifetime depends heavily on operating conditions, cycling frequency, and maintenance
• SOEC technology still maturing - specifications represent current state-of-art with rapid improvement expected
• Always request detailed technical specifications and project-specific quotations from suppliers