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Daily UK grid report
UK Electricity Grid Daily Report — 16 April 2025

On 16 April 2025, Britain’s electricity grid averaged 34.06 GW of grid demand, with renewables averaging 66.5% of tracked domestic generation and carbon intensity averaging 70 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.06 GW

Average grid demand for this UK day.

Peak demand 40.89 GW

Highest 15-minute grid demand period.

Avg carbon 70 gCO₂/kWh

Average carbon intensity where available.

Renewables 66.5 %

Average renewable share of tracked generation.

Average grid demandDemand
34.06 GWFull-day average from available snapshots
↑ +3.21 GW vs yesterday
Peak demand13:00
40.89 GWHighest 15-minute grid demand period
↑ +4.55 GW vs yesterday
Lowest demand01:45
25.07 GWLowest 15-minute grid demand period
↑ +2.15 GW vs yesterday
Domestic generationSupply
29.71 GWTracked UK generation sources only
↑ +5.72 GW vs yesterday
Average carbonCO₂
70 gCO₂/kWhCarbon intensity average
↓ −88 g vs yesterday
Renewable shareClean
66.5 %Wind, solar, hydro and biomass
↑ +29.0 pts vs yesterday
Clean share+ Nuclear
82.0 %Renewables plus nuclear
↑ +25.2 pts vs yesterday
Net importsFlow
1.99 GWAverage imports minus exports
↓ −4.17 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 16 April 2025, Britain’s electricity grid averaged 34.06 GW of grid demand, with renewables averaging 66.5% of tracked domestic generation and carbon intensity averaging 70 gCO₂/kWh.

The highest demand period was 40.89 GW at 13:00, while the lowest carbon intensity period was 32 gCO₂/kWh at 13:30.

Key records for 16 April 2025

Highest wind18.39 GW12:30
Highest solar9.75 GW13:00
Highest gas10.57 GW19:00
Lowest carbon32 gCO₂/kWh13:30
Highest imports6.02 GW00:00
Highest exports4.10 GW17:45

Daily chart

Demand, generation and carbon intensity

16 April 2025

Generation mix

Wind, solar, gas and interconnector flow