3E indicator | Alternative | ||||||||
| PV-Flat roof | PV-Ground | WT-600 kW | WT-1500 kW | WT-2500 kW | WT-4500 kW | |||
SC | MC | SC | MC | On-shore | Off-shore, |
| |||
Energy gained ratio | 0.17 | 0.16 | 0.18 | 0.16 | 9.90 | 5.05 | 7.03 | 17.45 | 6.56 |
Average generation cost (NTD/kWh) | 6.92 | 6.64 | 5.55 | 5.28 | 2.28 | 2.54 | 2.40 | 1.32 | 1.59 |
Global warming potential (kg(CO2-eq.)/kWh) | 0.94 | 1.05 | 0.91 | 1.01 | 0.02 | 0.04 | 0.03 | 0.01 | 0.04 |
Land use (m2/kWh) | 1.95E−04 | 2.17E−04 | 1.86E−04 | 2.06E−04 | 6.08E−04 | 6.08E−04 | 5.07E−04 | 1.16E−04 | 3.73E−04 |