Table 3: CO2 costs of different power generation.

Thermal Nuclear Hydro Wind Solar
CO2 Emission factor(kg/kWh) 1.075 0.020 0.023 0.007 0.050
Carbon price(yuan/t) 20 20 20 20 20
CO2 cost(yuan/kwh) 0.0215 0.0004 0.00045 0.00013 0.001