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Daily UK grid report
UK Electricity Grid Daily Report — 22 September 2022

On 22 September 2022, Britain’s electricity grid averaged 31.29 GW of grid demand, with renewables averaging 36.8% of tracked domestic generation and carbon intensity averaging 217 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.29 GW

Average grid demand for this UK day.

Peak demand 36.55 GW

Highest 15-minute grid demand period.

Avg carbon 217 gCO₂/kWh

Average carbon intensity where available.

Renewables 36.8 %

Average renewable share of tracked generation.

Average grid demandDemand
31.29 GWFull-day average from available snapshots
↓ −0.30 GW vs yesterday
Peak demand12:00
36.55 GWHighest 15-minute grid demand period
↓ −0.75 GW vs yesterday
Lowest demand04:15
22.91 GWLowest 15-minute grid demand period
↓ −0.10 GW vs yesterday
Domestic generationSupply
31.35 GWTracked UK generation sources only
↓ −0.18 GW vs yesterday
Average carbonCO₂
217 gCO₂/kWhCarbon intensity average
↓ −34 g vs yesterday
Renewable shareClean
36.8 %Wind, solar, hydro and biomass
↑ +7.0 pts vs yesterday
Clean share+ Nuclear
49.7 %Renewables plus nuclear
↑ +7.0 pts vs yesterday
Net importsFlow
-2.91 GWAverage imports minus exports
↓ −0.04 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 September 2022, Britain’s electricity grid averaged 31.29 GW of grid demand, with renewables averaging 36.8% of tracked domestic generation and carbon intensity averaging 217 gCO₂/kWh.

The highest demand period was 36.55 GW at 12:00, while the lowest carbon intensity period was 125 gCO₂/kWh at 01:00.

Key records for 22 September 2022

Highest wind11.27 GW01:00
Highest solar5.17 GW12:00
Highest gas19.11 GW19:00
Lowest carbon125 gCO₂/kWh01:00
Highest imports0.36 GW06:30
Highest exports3.50 GW23:00

Daily chart

Demand, generation and carbon intensity

22 September 2022

Generation mix

Wind, solar, gas and interconnector flow