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Daily UK grid report
UK Electricity Grid Daily Report — 12 August 2023

On 12 August 2023, Britain’s electricity grid averaged 25.99 GW of grid demand, with renewables averaging 57.3% of tracked domestic generation and carbon intensity averaging 95 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 25.99 GW

Average grid demand for this UK day.

Peak demand 30.20 GW

Highest 15-minute grid demand period.

Avg carbon 95 gCO₂/kWh

Average carbon intensity where available.

Renewables 57.3 %

Average renewable share of tracked generation.

Average grid demandDemand
25.99 GWFull-day average from available snapshots
↓ −2.63 GW vs yesterday
Peak demand12:30
30.20 GWHighest 15-minute grid demand period
↓ −3.99 GW vs yesterday
Lowest demand05:15
20.37 GWLowest 15-minute grid demand period
↓ −1.81 GW vs yesterday
Domestic generationSupply
23.22 GWTracked UK generation sources only
↓ −2.51 GW vs yesterday
Average carbonCO₂
95 gCO₂/kWhCarbon intensity average
↓ −16 g vs yesterday
Renewable shareClean
57.3 %Wind, solar, hydro and biomass
↑ +0.9 pts vs yesterday
Clean share+ Nuclear
75.6 %Renewables plus nuclear
↑ +2.9 pts vs yesterday
Net importsFlow
1.79 GWAverage imports minus exports
↓ −0.01 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 12 August 2023, Britain’s electricity grid averaged 25.99 GW of grid demand, with renewables averaging 57.3% of tracked domestic generation and carbon intensity averaging 95 gCO₂/kWh.

The highest demand period was 30.20 GW at 12:30, while the lowest carbon intensity period was 56 gCO₂/kWh at 13:30.

Key records for 12 August 2023

Highest wind13.75 GW17:30
Highest solar5.79 GW12:30
Highest gas7.84 GW00:00
Lowest carbon56 gCO₂/kWh13:30
Highest imports4.62 GW10:00
Highest exports2.76 GW00:00

Daily chart

Demand, generation and carbon intensity

12 August 2023

Generation mix

Wind, solar, gas and interconnector flow