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Daily UK grid report
UK Electricity Grid Daily Report — 25 May 2023

On 25 May 2023, Britain’s electricity grid averaged 28.76 GW of grid demand, with renewables averaging 28.6% of tracked domestic generation and carbon intensity averaging 156 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.76 GW

Average grid demand for this UK day.

Peak demand 33.73 GW

Highest 15-minute grid demand period.

Avg carbon 156 gCO₂/kWh

Average carbon intensity where available.

Renewables 28.6 %

Average renewable share of tracked generation.

Average grid demandDemand
28.76 GWFull-day average from available snapshots
↓ −0.35 GW vs yesterday
Peak demand10:00
33.73 GWHighest 15-minute grid demand period
↓ −1.47 GW vs yesterday
Lowest demand04:45
21.17 GWLowest 15-minute grid demand period
↑ +1.03 GW vs yesterday
Domestic generationSupply
23.21 GWTracked UK generation sources only
↓ −2.50 GW vs yesterday
Average carbonCO₂
156 gCO₂/kWhCarbon intensity average
↑ +4 g vs yesterday
Renewable shareClean
28.6 %Wind, solar, hydro and biomass
↓ −5.7 pts vs yesterday
Clean share+ Nuclear
52.1 %Renewables plus nuclear
↓ −3.7 pts vs yesterday
Net importsFlow
4.60 GWAverage imports minus exports
↑ +2.10 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 25 May 2023, Britain’s electricity grid averaged 28.76 GW of grid demand, with renewables averaging 28.6% of tracked domestic generation and carbon intensity averaging 156 gCO₂/kWh.

The highest demand period was 33.73 GW at 10:00, while the lowest carbon intensity period was 124 gCO₂/kWh at 14:00.

Key records for 25 May 2023

Highest wind4.82 GW20:30
Highest solar7.57 GW11:30
Highest gas13.19 GW08:00
Lowest carbon124 gCO₂/kWh14:00
Highest imports6.31 GW16:00
Highest exports1.41 GW04:00

Daily chart

Demand, generation and carbon intensity

25 May 2023

Generation mix

Wind, solar, gas and interconnector flow