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Daily UK grid report
UK Electricity Grid Daily Report — 6 March 2025

On 6 March 2025, Britain’s electricity grid averaged 35.07 GW of grid demand, with renewables averaging 60.9% of tracked domestic generation and carbon intensity averaging 92 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.07 GW

Average grid demand for this UK day.

Peak demand 43.14 GW

Highest 15-minute grid demand period.

Avg carbon 92 gCO₂/kWh

Average carbon intensity where available.

Renewables 60.9 %

Average renewable share of tracked generation.

Average grid demandDemand
35.07 GWFull-day average from available snapshots
↓ −1.33 GW vs yesterday
Peak demand18:30
43.14 GWHighest 15-minute grid demand period
↑ +0.51 GW vs yesterday
Lowest demand04:15
26.03 GWLowest 15-minute grid demand period
↓ −2.55 GW vs yesterday
Domestic generationSupply
29.32 GWTracked UK generation sources only
↓ −2.74 GW vs yesterday
Average carbonCO₂
92 gCO₂/kWhCarbon intensity average
↓ −4 g vs yesterday
Renewable shareClean
60.9 %Wind, solar, hydro and biomass
↓ −1.7 pts vs yesterday
Clean share+ Nuclear
75.6 %Renewables plus nuclear
↓ −0.2 pts vs yesterday
Net importsFlow
5.02 GWAverage imports minus exports
↑ +1.55 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 6 March 2025, Britain’s electricity grid averaged 35.07 GW of grid demand, with renewables averaging 60.9% of tracked domestic generation and carbon intensity averaging 92 gCO₂/kWh.

The highest demand period was 43.14 GW at 18:30, while the lowest carbon intensity period was 49 gCO₂/kWh at 23:30.

Key records for 6 March 2025

Highest wind17.85 GW19:00
Highest solar10.30 GW11:30
Highest gas12.73 GW18:30
Lowest carbon49 gCO₂/kWh23:30
Highest imports8.47 GW07:15
Highest exports3.81 GW18:00

Daily chart

Demand, generation and carbon intensity

6 March 2025

Generation mix

Wind, solar, gas and interconnector flow