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Daily UK grid report
UK Electricity Grid Daily Report — 23 June 2026

On 23 June 2026, Britain’s electricity grid averaged 34.12 GW of grid demand, with renewables averaging 38.8% of tracked domestic generation and carbon intensity averaging 177 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.12 GW

Average grid demand for this UK day.

Peak demand 42.48 GW

Highest 15-minute grid demand period.

Avg carbon 177 gCO₂/kWh

Average carbon intensity where available.

Renewables 38.8 %

Average renewable share of tracked generation.

Average grid demandDemand
34.12 GWFull-day average from available snapshots
↑ +1.91 GW vs yesterday
Peak demand18:15
42.48 GWHighest 15-minute grid demand period
↑ +4.39 GW vs yesterday
Lowest demand05:30
26.06 GWLowest 15-minute grid demand period
↑ +0.53 GW vs yesterday
Domestic generationSupply
30.59 GWTracked UK generation sources only
↑ +3.03 GW vs yesterday
Average carbonCO₂
177 gCO₂/kWhCarbon intensity average
↑ +14 g vs yesterday
Renewable shareClean
38.8 %Wind, solar, hydro and biomass
↓ −8.0 pts vs yesterday
Clean share+ Nuclear
50.8 %Renewables plus nuclear
↓ −8.3 pts vs yesterday
Net importsFlow
0.84 GWAverage imports minus exports
↓ −1.72 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 23 June 2026, Britain’s electricity grid averaged 34.12 GW of grid demand, with renewables averaging 38.8% of tracked domestic generation and carbon intensity averaging 177 gCO₂/kWh.

The highest demand period was 42.48 GW at 18:15, while the lowest carbon intensity period was 107 gCO₂/kWh at 13:00.

Key records for 23 June 2026

Highest wind6.96 GW00:30
Highest solar13.21 GW14:00
Highest gas17.65 GW22:30
Lowest carbon107 gCO₂/kWh13:00
Highest imports7.91 GW12:00
Highest exports4.68 GW19:00

Daily chart

Demand, generation and carbon intensity

23 June 2026

Generation mix

Wind, solar, gas and interconnector flow