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Daily UK grid report
UK Electricity Grid Daily Report — 28 September 2022

On 28 September 2022, Britain’s electricity grid averaged 34.04 GW of grid demand, with renewables averaging 33.5% of tracked domestic generation and carbon intensity averaging 231 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.04 GW

Average grid demand for this UK day.

Peak demand 39.52 GW

Highest 15-minute grid demand period.

Avg carbon 231 gCO₂/kWh

Average carbon intensity where available.

Renewables 33.5 %

Average renewable share of tracked generation.

Average grid demandDemand
34.04 GWFull-day average from available snapshots
↓ −0.82 GW vs yesterday
Peak demand12:15
39.52 GWHighest 15-minute grid demand period
↓ −1.72 GW vs yesterday
Lowest demand04:00
26.41 GWLowest 15-minute grid demand period
↑ +1.69 GW vs yesterday
Domestic generationSupply
34.15 GWTracked UK generation sources only
↓ −0.65 GW vs yesterday
Average carbonCO₂
231 gCO₂/kWhCarbon intensity average
↑ +78 g vs yesterday
Renewable shareClean
33.5 %Wind, solar, hydro and biomass
↓ −17.9 pts vs yesterday
Clean share+ Nuclear
45.6 %Renewables plus nuclear
↓ −17.5 pts vs yesterday
Net importsFlow
-4.23 GWAverage imports minus exports
↑ +0.12 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 September 2022, Britain’s electricity grid averaged 34.04 GW of grid demand, with renewables averaging 33.5% of tracked domestic generation and carbon intensity averaging 231 gCO₂/kWh.

The highest demand period was 39.52 GW at 12:15, while the lowest carbon intensity period was 198 gCO₂/kWh at 00:30.

Key records for 28 September 2022

Highest wind8.61 GW00:00
Highest solar6.11 GW11:00
Highest gas19.88 GW19:00
Lowest carbon198 gCO₂/kWh00:30
Highest imports0.38 GW14:15
Highest exports5.60 GW00:15

Daily chart

Demand, generation and carbon intensity

28 September 2022

Generation mix

Wind, solar, gas and interconnector flow