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Daily UK grid report
UK Electricity Grid Daily Report — 27 July 2026

On 27 July 2026, Britain’s electricity grid averaged 29.53 GW of grid demand, with renewables averaging 62.3% 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 29.53 GW

Average grid demand for this UK day.

Peak demand 36.20 GW

Highest 15-minute grid demand period.

Avg carbon 183 gCO₂/kWh

Average carbon intensity where available.

Renewables 62.3 %

Average renewable share of tracked generation.

Average grid demandDemand
29.53 GWFull-day average from available snapshots
↑ +2.48 GW vs yesterday
Peak demand14:00
36.20 GWHighest 15-minute grid demand period
↑ +2.23 GW vs yesterday
Lowest demand05:15
21.33 GWLowest 15-minute grid demand period
↑ +0.38 GW vs yesterday
Domestic generationSupply
22.21 GWTracked UK generation sources only
↓ −0.40 GW vs yesterday
Average carbonCO₂
183 gCO₂/kWhCarbon intensity average
↑ +101 g vs yesterday
Renewable shareClean
62.3 %Wind, solar, hydro and biomass
↓ −9.0 pts vs yesterday
Clean share+ Nuclear
76.1 %Renewables plus nuclear
↓ −9.2 pts vs yesterday
Net importsFlow
6.41 GWAverage imports minus exports
↑ +2.52 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 27 July 2026, Britain’s electricity grid averaged 29.53 GW of grid demand, with renewables averaging 62.3% of tracked domestic generation and carbon intensity averaging 183 gCO₂/kWh.

The highest demand period was 36.20 GW at 14:00, while the lowest carbon intensity period was 101 gCO₂/kWh at 04:00.

Key records for 27 July 2026

Highest wind11.40 GW00:30
Highest solar12.11 GW14:00
Highest gas8.74 GW19:30
Lowest carbon101 gCO₂/kWh04:00
Highest imports8.44 GW14:00
Highest exports1.50 GW19:15

Daily chart

Demand, generation and carbon intensity

27 July 2026

Generation mix

Wind, solar, gas and interconnector flow