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Daily UK grid report
UK Electricity Grid Daily Report — 1 March 2025

On 1 March 2025, Britain’s electricity grid averaged 33.76 GW of grid demand, with renewables averaging 41.8% of tracked domestic generation and carbon intensity averaging 157 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.76 GW

Average grid demand for this UK day.

Peak demand 39.31 GW

Highest 15-minute grid demand period.

Avg carbon 157 gCO₂/kWh

Average carbon intensity where available.

Renewables 41.8 %

Average renewable share of tracked generation.

Average grid demandDemand
33.76 GWFull-day average from available snapshots
↓ −3.24 GW vs yesterday
Peak demand18:45
39.31 GWHighest 15-minute grid demand period
↓ −4.07 GW vs yesterday
Lowest demand03:30
28.55 GWLowest 15-minute grid demand period
↓ −0.48 GW vs yesterday
Domestic generationSupply
26.90 GWTracked UK generation sources only
↓ −5.76 GW vs yesterday
Average carbonCO₂
157 gCO₂/kWhCarbon intensity average
↓ −44 g vs yesterday
Renewable shareClean
41.8 %Wind, solar, hydro and biomass
↑ +9.4 pts vs yesterday
Clean share+ Nuclear
57.5 %Renewables plus nuclear
↑ +11.6 pts vs yesterday
Net importsFlow
5.41 GWAverage imports minus exports
↑ +2.82 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 1 March 2025, Britain’s electricity grid averaged 33.76 GW of grid demand, with renewables averaging 41.8% of tracked domestic generation and carbon intensity averaging 157 gCO₂/kWh.

The highest demand period was 39.31 GW at 18:45, while the lowest carbon intensity period was 101 gCO₂/kWh at 12:00.

Key records for 1 March 2025

Highest wind6.58 GW01:00
Highest solar10.13 GW12:00
Highest gas16.80 GW18:00
Lowest carbon101 gCO₂/kWh12:00
Highest imports8.47 GW12:45
Highest exports2.98 GW05:00

Daily chart

Demand, generation and carbon intensity

1 March 2025

Generation mix

Wind, solar, gas and interconnector flow