Table 8 Electrolyzer plant characteristics
From: Active trading and regulatory incentives lower the levelized cost of green hydrogen in Greece
Characteristic | Units | Description | Symbol |
---|---|---|---|
System capacity | MW | Nominal capacity of electrolysis system | P |
Footprint | m2 | Footprint of the installation | H2_land |
Stack efficiency | kWh per kg H2 | Energy consumed per stack and kg of hydrogen produced | η |
System efficiency | kWh per kg H2 | Energy consumed in the whole system per kg of Hydrogen produced | e |
Feed Water consumption | l per kg H2 | Water consumed per hydrogen produced | we |
H2 output per stack | kg per h | Hydrogen produced per hour in full capacity | H2_out |
O2 output per stack | kg per h | Oxygen produced per hour in full capacity | O2_out |
Cut-off threshold | MWh | Minimum required energy for the electrolyzer to operate | \({{Thr}}_{{cut}}\) |
Maximum energy consumption | MWh | Maximum energy that can be consumed on a specific hour at maximum capacity P | \({P}_{{en}}\) |