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Daily UK grid report
UK Electricity Grid Daily Report — 27 September 2022

On 27 September 2022, Britain’s electricity grid averaged 34.86 GW of grid demand, with renewables averaging 51.4% of tracked domestic generation and carbon intensity averaging 154 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.86 GW

Average grid demand for this UK day.

Peak demand 41.24 GW

Highest 15-minute grid demand period.

Avg carbon 154 gCO₂/kWh

Average carbon intensity where available.

Renewables 51.4 %

Average renewable share of tracked generation.

Average grid demandDemand
34.86 GWFull-day average from available snapshots
↑ +1.23 GW vs yesterday
Peak demand11:30
41.24 GWHighest 15-minute grid demand period
↑ +0.68 GW vs yesterday
Lowest demand00:45
24.72 GWLowest 15-minute grid demand period
↑ +0.12 GW vs yesterday
Domestic generationSupply
34.80 GWTracked UK generation sources only
↑ +1.22 GW vs yesterday
Average carbonCO₂
154 gCO₂/kWhCarbon intensity average
↑ +41 g vs yesterday
Renewable shareClean
51.4 %Wind, solar, hydro and biomass
↓ −11.0 pts vs yesterday
Clean share+ Nuclear
63.1 %Renewables plus nuclear
↓ −11.4 pts vs yesterday
Net importsFlow
-4.35 GWAverage imports minus exports
↓ −0.34 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 27 September 2022, Britain’s electricity grid averaged 34.86 GW of grid demand, with renewables averaging 51.4% of tracked domestic generation and carbon intensity averaging 154 gCO₂/kWh.

The highest demand period was 41.24 GW at 11:30, while the lowest carbon intensity period was 74 gCO₂/kWh at 00:30.

Key records for 27 September 2022

Highest wind15.92 GW06:00
Highest solar4.95 GW13:00
Highest gas18.53 GW19:30
Lowest carbon74 gCO₂/kWh00:30
Highest imports0.90 GW06:15
Highest exports5.43 GW23:45

Daily chart

Demand, generation and carbon intensity

27 September 2022

Generation mix

Wind, solar, gas and interconnector flow