What is the most efficient power generation method in terms of cost and CO2 emission?
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Answer
| CO2 emission per 1kWh for each method | ||
| Method | CO2 emission(g-CO2/kWh) | |
| Coal | 975 | |
| Oil | 742 | |
| Gas | 608 | |
| Nuclear | 22~25 | |
| Hydro | 11 | |
| Geothermal | 15 | |
| solar energy | 53 | |
| Wind power | 29 | |
| Cost per 1kWh for each method | ||
| Method | Cost(Yen) | |
| Coal | 5.0~6.5 | |
| Oil | 10.0~17.3 | |
| Gas | 5.8~7.1 | |
| Nuclear | 4.8~6.2 | |
| Hydro | 8.2~13.3 | |
| solar energy | 46 | |
| Wind power | 10~14 | |