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Daily UK grid report
UK Electricity Grid Daily Report — 30 June 2023

On 30 June 2023, Britain’s electricity grid averaged 28.18 GW of grid demand, with renewables averaging 46.0% of tracked domestic generation and carbon intensity averaging 124 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.18 GW

Average grid demand for this UK day.

Peak demand 33.39 GW

Highest 15-minute grid demand period.

Avg carbon 124 gCO₂/kWh

Average carbon intensity where available.

Renewables 46.0 %

Average renewable share of tracked generation.

Average grid demandDemand
28.18 GWFull-day average from available snapshots
↓ −1.04 GW vs yesterday
Peak demand10:00
33.39 GWHighest 15-minute grid demand period
↓ −1.53 GW vs yesterday
Lowest demand04:30
21.64 GWLowest 15-minute grid demand period
↓ −0.68 GW vs yesterday
Domestic generationSupply
24.65 GWTracked UK generation sources only
↓ −1.98 GW vs yesterday
Average carbonCO₂
124 gCO₂/kWhCarbon intensity average
↓ −59 g vs yesterday
Renewable shareClean
46.0 %Wind, solar, hydro and biomass
↑ +13.4 pts vs yesterday
Clean share+ Nuclear
67.7 %Renewables plus nuclear
↑ +14.9 pts vs yesterday
Net importsFlow
2.51 GWAverage imports minus exports
↑ +1.08 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 June 2023, Britain’s electricity grid averaged 28.18 GW of grid demand, with renewables averaging 46.0% of tracked domestic generation and carbon intensity averaging 124 gCO₂/kWh.

The highest demand period was 33.39 GW at 10:00, while the lowest carbon intensity period was 80 gCO₂/kWh at 16:00.

Key records for 30 June 2023

Highest wind12.91 GW18:30
Highest solar3.74 GW10:30
Highest gas10.35 GW08:00
Lowest carbon80 gCO₂/kWh16:00
Highest imports5.90 GW09:00
Highest exports2.56 GW05:00

Daily chart

Demand, generation and carbon intensity

30 June 2023

Generation mix

Wind, solar, gas and interconnector flow