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Daily UK grid report
UK Electricity Grid Daily Report — 9 April 2025

On 9 April 2025, Britain’s electricity grid averaged 32.34 GW of grid demand, with renewables averaging 37.1% of tracked domestic generation and carbon intensity averaging 173 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.34 GW

Average grid demand for this UK day.

Peak demand 37.01 GW

Highest 15-minute grid demand period.

Avg carbon 173 gCO₂/kWh

Average carbon intensity where available.

Renewables 37.1 %

Average renewable share of tracked generation.

Average grid demandDemand
32.34 GWFull-day average from available snapshots
↓ −0.13 GW vs yesterday
Peak demand09:00
37.01 GWHighest 15-minute grid demand period
↓ −0.41 GW vs yesterday
Lowest demand02:30
25.66 GWLowest 15-minute grid demand period
↓ −0.51 GW vs yesterday
Domestic generationSupply
26.83 GWTracked UK generation sources only
↓ −0.70 GW vs yesterday
Average carbonCO₂
173 gCO₂/kWhCarbon intensity average
↓ −31 g vs yesterday
Renewable shareClean
37.1 %Wind, solar, hydro and biomass
↑ +9.2 pts vs yesterday
Clean share+ Nuclear
54.0 %Renewables plus nuclear
↑ +9.3 pts vs yesterday
Net importsFlow
4.12 GWAverage imports minus exports
↑ +1.18 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 9 April 2025, Britain’s electricity grid averaged 32.34 GW of grid demand, with renewables averaging 37.1% of tracked domestic generation and carbon intensity averaging 173 gCO₂/kWh.

The highest demand period was 37.01 GW at 09:00, while the lowest carbon intensity period was 112 gCO₂/kWh at 13:30.

Key records for 9 April 2025

Highest wind4.61 GW19:00
Highest solar11.05 GW13:30
Highest gas15.38 GW20:30
Lowest carbon112 gCO₂/kWh13:30
Highest imports6.73 GW10:30
Highest exports3.90 GW06:45

Daily chart

Demand, generation and carbon intensity

9 April 2025

Generation mix

Wind, solar, gas and interconnector flow