Table 1 Future changes in rooftop carbon mitigation potential under different urban land expansion and power mix transformation scenarios

From: Carbon mitigation potential afforded by rooftop photovoltaic in China

Power mix transformation scenarios

Emission factor decline rate from 2020 to 2030

Urban land expansion scenarios

Rooftop area growth rate from 2020 to 2030

Carbon mitigation potential in 2030 (MT CO2)

Carbon mitigation potential change from 2020 to 2030 (MT CO2)

STEPS

10%

Low speed

9%

3730

−72

High speed

14%

3901

99

APC

30%

Low speed

9%

2901

−901

High speed

14%

3034

−768