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Daily UK grid report
UK Electricity Grid Daily Report — 17 September 2022

On 17 September 2022, Britain’s electricity grid averaged 27.15 GW of grid demand, with renewables averaging 59.4% of tracked domestic generation and carbon intensity averaging 101 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 27.15 GW

Average grid demand for this UK day.

Peak demand 31.95 GW

Highest 15-minute grid demand period.

Avg carbon 101 gCO₂/kWh

Average carbon intensity where available.

Renewables 59.4 %

Average renewable share of tracked generation.

Average grid demandDemand
27.15 GWFull-day average from available snapshots
↓ −4.71 GW vs yesterday
Peak demand17:45
31.95 GWHighest 15-minute grid demand period
↓ −6.13 GW vs yesterday
Lowest demand04:15
21.04 GWLowest 15-minute grid demand period
↓ −2.30 GW vs yesterday
Domestic generationSupply
24.70 GWTracked UK generation sources only
↓ −4.95 GW vs yesterday
Average carbonCO₂
101 gCO₂/kWhCarbon intensity average
↓ −18 g vs yesterday
Renewable shareClean
59.4 %Wind, solar, hydro and biomass
↓ −1.6 pts vs yesterday
Clean share+ Nuclear
77.3 %Renewables plus nuclear
↑ +1.4 pts vs yesterday
Net importsFlow
1.30 GWAverage imports minus exports
↑ +2.15 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 September 2022, Britain’s electricity grid averaged 27.15 GW of grid demand, with renewables averaging 59.4% of tracked domestic generation and carbon intensity averaging 101 gCO₂/kWh.

The highest demand period was 31.95 GW at 17:45, while the lowest carbon intensity period was 54 gCO₂/kWh at 13:00.

Key records for 17 September 2022

Highest wind12.32 GW07:30
Highest solar8.67 GW12:30
Highest gas10.04 GW19:00
Lowest carbon54 gCO₂/kWh13:00
Highest imports3.79 GW23:00
Highest exports2.95 GW21:00

Daily chart

Demand, generation and carbon intensity

17 September 2022

Generation mix

Wind, solar, gas and interconnector flow