Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 30 March 2025

On 30 March 2025, Britain’s electricity grid averaged 31.87 GW of grid demand, with renewables averaging 66.0% of tracked domestic generation and carbon intensity averaging 72 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 31.87 GW

Average grid demand for this UK day.

Peak demand 36.74 GW

Highest 15-minute grid demand period.

Avg carbon 72 gCO₂/kWh

Average carbon intensity where available.

Renewables 66.0 %

Average renewable share of tracked generation.

Average grid demandDemand
31.87 GWFull-day average from available snapshots
↑ +0.36 GW vs yesterday
Peak demand12:00
36.74 GWHighest 15-minute grid demand period
↓ −1.67 GW vs yesterday
Lowest demand23:30
25.85 GWLowest 15-minute grid demand period
↑ +2.54 GW vs yesterday
Domestic generationSupply
28.81 GWTracked UK generation sources only
↑ +2.61 GW vs yesterday
Average carbonCO₂
72 gCO₂/kWhCarbon intensity average
↑ +2 g vs yesterday
Renewable shareClean
66.0 %Wind, solar, hydro and biomass
↓ −0.2 pts vs yesterday
Clean share+ Nuclear
79.4 %Renewables plus nuclear
↓ −1.2 pts vs yesterday
Net importsFlow
1.17 GWAverage imports minus exports
↓ −2.68 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 March 2025, Britain’s electricity grid averaged 31.87 GW of grid demand, with renewables averaging 66.0% of tracked domestic generation and carbon intensity averaging 72 gCO₂/kWh.

The highest demand period was 36.74 GW at 12:00, while the lowest carbon intensity period was 29 gCO₂/kWh at 10:30.

Key records for 30 March 2025

Highest wind21.95 GW00:00
Highest solar12.83 GW13:00
Highest gas10.37 GW21:30
Lowest carbon29 gCO₂/kWh10:30
Highest imports8.45 GW23:45
Highest exports5.04 GW05:00

Daily chart

Demand, generation and carbon intensity

30 March 2025

Generation mix

Wind, solar, gas and interconnector flow