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Daily UK grid report
UK Electricity Grid Daily Report — 29 June 2023

On 29 June 2023, Britain’s electricity grid averaged 29.22 GW of grid demand, with renewables averaging 32.6% of tracked domestic generation and carbon intensity averaging 183 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.22 GW

Average grid demand for this UK day.

Peak demand 34.92 GW

Highest 15-minute grid demand period.

Avg carbon 183 gCO₂/kWh

Average carbon intensity where available.

Renewables 32.6 %

Average renewable share of tracked generation.

Average grid demandDemand
29.22 GWFull-day average from available snapshots
↓ −0.10 GW vs yesterday
Peak demand13:00
34.92 GWHighest 15-minute grid demand period
↓ −0.14 GW vs yesterday
Lowest demand01:45
22.32 GWLowest 15-minute grid demand period
↑ +0.20 GW vs yesterday
Domestic generationSupply
26.63 GWTracked UK generation sources only
↑ +0.77 GW vs yesterday
Average carbonCO₂
183 gCO₂/kWhCarbon intensity average
↓ −19 g vs yesterday
Renewable shareClean
32.6 %Wind, solar, hydro and biomass
↑ +6.7 pts vs yesterday
Clean share+ Nuclear
52.7 %Renewables plus nuclear
↑ +7.1 pts vs yesterday
Net importsFlow
1.43 GWAverage imports minus exports
↓ −1.01 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 29 June 2023, Britain’s electricity grid averaged 29.22 GW of grid demand, with renewables averaging 32.6% of tracked domestic generation and carbon intensity averaging 183 gCO₂/kWh.

The highest demand period was 34.92 GW at 13:00, while the lowest carbon intensity period was 133 gCO₂/kWh at 13:30.

Key records for 29 June 2023

Highest wind6.44 GW13:00
Highest solar8.64 GW13:30
Highest gas13.13 GW20:30
Lowest carbon133 gCO₂/kWh13:30
Highest imports5.85 GW09:00
Highest exports2.78 GW05:00

Daily chart

Demand, generation and carbon intensity

29 June 2023

Generation mix

Wind, solar, gas and interconnector flow