Highest efficiency and availability for large-scale hydrogen production
Modular, skid-mounted, ready-to-install: The Quest One MHP is a scalable platform for industrial production of green hydrogen based on PEM technology. 10 MW blocks can be combined into multi-MW systems for projects with an electrolysis capacity for large industrial scale applications. The system is ready for indoor installation on pre-assembled skids. It is equipped with integrated process water treatment and an electrical power supply. Optionally, the system can be supplemented with fresh water and hydrogen treatment, as well as process heat recovery or oxygen utilization as required. The Quest One MHP electrolyzer stands out with its unrivalled system efficiency, high availability, and proven maintenance concept, resulting in low hydrogen production costs and safe, reliable operation.
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10 MW Block Parameters |
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H2 production nominal | 4,600 kg/d | 2,130 Nm3/h |
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Energy consumption1 | 4.6 kWh/Nm3 H2 | 51 kWh/kg |
| System efficiency1 | 77 % |
| Performance class | 10 MW |
H2 production modulation range | 213 – 2,130 Nm3/h | 10 – 100 % |
H2 purity without optional hydrogen purification | Water saturated at 65°C and 30 bar(g) |
| H2 output pressure | 30 bar (g) |
| Load change | 30 s (minimal load to nominal load) |
H2O required quality without optional fresh water treatment | DI water (fully desalinated) |
DI water consumption nominal | approx. 2,000 kg/h |
| Dimensions LxWxH (Indoor) | ca. 10 x 24 m |
| Temperature (Indoor) | +5°C to + 45°C |
Technical changes reserved
1 Battery limit for the efficiency: Stacks and converters; standard conditions: BoL (Begin of Life),
15°C, 30 bar(g) H2 transfer pressure, 2,000 Nm3/h, based on higher heating value (HHV)

