Table 2 Common data assumptions for LCA and LCC
| Â | Unit | 2022 | 2045 | Primary source | ||||
|---|---|---|---|---|---|---|---|---|
Type of electrolysis | – | AEC | PEMEC | SOEC | AEC | PEMEC | SOEC |  |
Nominal load | MWel | 1 | 1 | 1 | 1 | 1 | 1 | Own assumpt. |
Lifetime stack | h | 60,000 | 40,000 | 20,000 | 80,000 | 80,000 | 80,000 | |
FLH (Electricity mix (M)/Wind (W)) | h/a | 7,000; (M) 2,000 (W) | 7,000 (M); 2,000 (W) | 7,000 (M); 2,000 (W) | 7,000 (M); 2,000 (W) | 7,000 (M); 2,000 (W) | 7,000 (M); 2,000 (W) | Own assumpt. |
Electricty demand (system) | kWh/kg H2 | 55 | 55 | 38 | 48 | 46 | 35 | |
Heat demand (system) | kWh/kg H2 | - | - | 9 | - | - | 7 | |
Water demand | kg H20/kg H2 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | [55] |
KOH demand | kg KOH/kg H2 | 8.5 E-04 | – | – | 8.5 E-04 | – | – | [16] |