Today · Great Britain
Cleanest time.
Choose your duration.
Tuesday 22 September
Cleanest 2-hour window
13:30–15:30
Average forecast 161 gCO₂/kWh
Signal Lower carbon
Updated UK time
How this is calculated
Checks every remaining consecutive half-hour period in the official Great Britain forecast for the lowest average carbon intensity.
Source: NESO Carbon Intensity API ↗