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Daily UK grid report
UK Electricity Grid Daily Report — 20 June 2023

On 20 June 2023, Britain’s electricity grid averaged 29.95 GW of grid demand, with renewables averaging 30.0% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.95 GW

Average grid demand for this UK day.

Peak demand 35.53 GW

Highest 15-minute grid demand period.

Avg carbon 209 gCO₂/kWh

Average carbon intensity where available.

Renewables 30.0 %

Average renewable share of tracked generation.

Average grid demandDemand
29.95 GWFull-day average from available snapshots
↑ +0.63 GW vs yesterday
Peak demand12:00
35.53 GWHighest 15-minute grid demand period
↓ −0.09 GW vs yesterday
Lowest demand04:30
23.12 GWLowest 15-minute grid demand period
↑ +2.66 GW vs yesterday
Domestic generationSupply
27.47 GWTracked UK generation sources only
↓ −0.17 GW vs yesterday
Average carbonCO₂
209 gCO₂/kWhCarbon intensity average
↑ +32 g vs yesterday
Renewable shareClean
30.0 %Wind, solar, hydro and biomass
↓ −10.4 pts vs yesterday
Clean share+ Nuclear
44.7 %Renewables plus nuclear
↓ −9.6 pts vs yesterday
Net importsFlow
1.26 GWAverage imports minus exports
↑ +0.71 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 June 2023, Britain’s electricity grid averaged 29.95 GW of grid demand, with renewables averaging 30.0% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh.

The highest demand period was 35.53 GW at 12:00, while the lowest carbon intensity period was 162 gCO₂/kWh at 16:00.

Key records for 20 June 2023

Highest wind8.28 GW16:00
Highest solar5.94 GW14:30
Highest gas15.95 GW21:30
Lowest carbon162 gCO₂/kWh16:00
Highest imports5.27 GW09:15
Highest exports3.36 GW05:00

Daily chart

Demand, generation and carbon intensity

20 June 2023

Generation mix

Wind, solar, gas and interconnector flow