Electricity Carbon Footprint Calculator

Calculate the carbon footprint (kg CO₂e) of your electricity use based on UK grid intensity.

Electricity Consumed (kWh)

kWh

Grid Carbon Intensity

Period

CO₂ Emissions

Formulas

CO₂ (kg) = kWh × grid intensity (kg/kWh)
UK grid 2024: ~207 gCO₂/kWh (0.207 kg/kWh)
Trees to offset: 1 tree ≈ absorbs ~21 kg CO₂/year
Equivalent miles driven: 1 km by car ≈ 170 gCO₂