Division Latin symbols
United Kingdom
CO2 savings [g CO2/km]
Carbon dioxide
Conversion factor (l/100 km) — (g CO2/km) [gCO2/l] as defined in Table 3
Mean annual mileage [km/year] as defined in Table 4
Measured average solar PV roof peak power output [W]
Number of measurements of the solar PV roof peak power output, which is at least 5
Solar correction coefficient [-] as defined in Table 1
Statistical margin of the total CO2 savings [g CO2/km]
Yearly European mean solar irradiation [W/m2], which is 120 W/m2
Global irradiation at Standard Test Conditions (STC) [W/m2], which is 1 000 W/m2
Standard deviation of the arithmetic mean of the solar PV roof peak power output [W]
Usage factor (shading effect), which is 0,51
Consumption of effective power [l/kWh] as defined in Table 2
Sensitivity of calculated CO2 savings related to the average solar PV roof peak power output