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

On 27 April 2026, Britain’s electricity grid averaged 30.50 GW of grid demand, with renewables averaging 41.3% of tracked domestic generation and carbon intensity averaging 196 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.50 GW

Average grid demand for this UK day.

Peak demand 35.42 GW

Highest 15-minute grid demand period.

Avg carbon 196 gCO₂/kWh

Average carbon intensity where available.

Renewables 41.3 %

Average renewable share of tracked generation.

Average grid demandDemand
30.50 GWFull-day average from available snapshots
↑ +2.67 GW vs yesterday
Peak demand11:30
35.42 GWHighest 15-minute grid demand period
↑ +2.20 GW vs yesterday
Lowest demand03:15
24.63 GWLowest 15-minute grid demand period
↑ +3.13 GW vs yesterday
Domestic generationSupply
24.45 GWTracked UK generation sources only
↑ +3.22 GW vs yesterday
Average carbonCO₂
196 gCO₂/kWhCarbon intensity average
↑ +47 g vs yesterday
Renewable shareClean
41.3 %Wind, solar, hydro and biomass
↓ −8.5 pts vs yesterday
Clean share+ Nuclear
62.7 %Renewables plus nuclear
↓ −12.2 pts vs yesterday
Net importsFlow
4.85 GWAverage imports minus exports
↓ −1.04 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 27 April 2026, Britain’s electricity grid averaged 30.50 GW of grid demand, with renewables averaging 41.3% of tracked domestic generation and carbon intensity averaging 196 gCO₂/kWh.

The highest demand period was 35.42 GW at 11:30, while the lowest carbon intensity period was 147 gCO₂/kWh at 12:00.

Key records for 27 April 2026

Highest wind4.48 GW23:30
Highest solar13.06 GW12:00
Highest gas12.11 GW18:00
Lowest carbon147 gCO₂/kWh12:00
Highest imports8.05 GW21:00
Highest exports3.70 GW05:45

Daily chart

Demand, generation and carbon intensity

27 April 2026

Generation mix

Wind, solar, gas and interconnector flow