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Daily UK grid report
UK Electricity Grid Daily Report — 23 May 2023

On 23 May 2023, Britain’s electricity grid averaged 28.89 GW of grid demand, with renewables averaging 38.5% of tracked domestic generation and carbon intensity averaging 131 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.89 GW

Average grid demand for this UK day.

Peak demand 34.61 GW

Highest 15-minute grid demand period.

Avg carbon 131 gCO₂/kWh

Average carbon intensity where available.

Renewables 38.5 %

Average renewable share of tracked generation.

Average grid demandDemand
28.89 GWFull-day average from available snapshots
No change vs yesterday
Peak demand10:00
34.61 GWHighest 15-minute grid demand period
↓ −0.17 GW vs yesterday
Lowest demand03:00
21.05 GWLowest 15-minute grid demand period
↑ +0.84 GW vs yesterday
Domestic generationSupply
24.26 GWTracked UK generation sources only
↓ −2.00 GW vs yesterday
Average carbonCO₂
131 gCO₂/kWhCarbon intensity average
↑ +13 g vs yesterday
Renewable shareClean
38.5 %Wind, solar, hydro and biomass
↓ −7.8 pts vs yesterday
Clean share+ Nuclear
61.0 %Renewables plus nuclear
↓ −5.6 pts vs yesterday
Net importsFlow
3.90 GWAverage imports minus exports
↑ +2.61 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 May 2023, Britain’s electricity grid averaged 28.89 GW of grid demand, with renewables averaging 38.5% of tracked domestic generation and carbon intensity averaging 131 gCO₂/kWh.

The highest demand period was 34.61 GW at 10:00, while the lowest carbon intensity period was 78 gCO₂/kWh at 00:00.

Key records for 23 May 2023

Highest wind10.02 GW00:00
Highest solar7.99 GW13:30
Highest gas14.66 GW19:30
Lowest carbon78 gCO₂/kWh00:00
Highest imports6.29 GW13:30
Highest exports1.21 GW05:00

Daily chart

Demand, generation and carbon intensity

23 May 2023

Generation mix

Wind, solar, gas and interconnector flow