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Daily UK grid report
UK Electricity Grid Daily Report — 12 September 2022

On 12 September 2022, Britain’s electricity grid averaged 32.69 GW of grid demand, with renewables averaging 37.7% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.69 GW

Average grid demand for this UK day.

Peak demand 38.33 GW

Highest 15-minute grid demand period.

Avg carbon 212 gCO₂/kWh

Average carbon intensity where available.

Renewables 37.7 %

Average renewable share of tracked generation.

Average grid demandDemand
32.69 GWFull-day average from available snapshots
↑ +3.82 GW vs yesterday
Peak demand13:00
38.33 GWHighest 15-minute grid demand period
↑ +4.13 GW vs yesterday
Lowest demand03:00
25.05 GWLowest 15-minute grid demand period
↑ +2.23 GW vs yesterday
Domestic generationSupply
32.43 GWTracked UK generation sources only
↑ +4.07 GW vs yesterday
Average carbonCO₂
212 gCO₂/kWhCarbon intensity average
↓ −21 g vs yesterday
Renewable shareClean
37.7 %Wind, solar, hydro and biomass
↑ +8.8 pts vs yesterday
Clean share+ Nuclear
52.7 %Renewables plus nuclear
↑ +6.5 pts vs yesterday
Net importsFlow
-4.10 GWAverage imports minus exports
↓ −1.17 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 12 September 2022, Britain’s electricity grid averaged 32.69 GW of grid demand, with renewables averaging 37.7% of tracked domestic generation and carbon intensity averaging 212 gCO₂/kWh.

The highest demand period was 38.33 GW at 13:00, while the lowest carbon intensity period was 170 gCO₂/kWh at 03:00.

Key records for 12 September 2022

Highest wind10.47 GW16:00
Highest solar4.88 GW11:30
Highest gas16.96 GW21:00
Lowest carbon170 gCO₂/kWh03:00
Highest imports1.78 GW11:00
Highest exports6.37 GW05:00

Daily chart

Demand, generation and carbon intensity

12 September 2022

Generation mix

Wind, solar, gas and interconnector flow