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Daily UK grid report
UK Electricity Grid Daily Report — 3 March 2023

On 3 March 2023, Britain’s electricity grid averaged 36.51 GW of grid demand, with renewables averaging 22.1% of tracked domestic generation and carbon intensity averaging 248 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 36.51 GW

Average grid demand for this UK day.

Peak demand 42.09 GW

Highest 15-minute grid demand period.

Avg carbon 248 gCO₂/kWh

Average carbon intensity where available.

Renewables 22.1 %

Average renewable share of tracked generation.

Average grid demandDemand
36.51 GWFull-day average from available snapshots
↓ −0.89 GW vs yesterday
Peak demand18:00
42.09 GWHighest 15-minute grid demand period
↓ −1.16 GW vs yesterday
Lowest demand03:30
28.86 GWLowest 15-minute grid demand period
↑ +0.47 GW vs yesterday
Domestic generationSupply
32.48 GWTracked UK generation sources only
↓ −2.06 GW vs yesterday
Average carbonCO₂
248 gCO₂/kWhCarbon intensity average
↑ +3 g vs yesterday
Renewable shareClean
22.1 %Wind, solar, hydro and biomass
↓ −3.1 pts vs yesterday
Clean share+ Nuclear
35.5 %Renewables plus nuclear
↓ −1.8 pts vs yesterday
Net importsFlow
2.26 GWAverage imports minus exports
↑ +1.78 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 3 March 2023, Britain’s electricity grid averaged 36.51 GW of grid demand, with renewables averaging 22.1% of tracked domestic generation and carbon intensity averaging 248 gCO₂/kWh.

The highest demand period was 42.09 GW at 18:00, while the lowest carbon intensity period was 228 gCO₂/kWh at 23:30.

Key records for 3 March 2023

Highest wind5.72 GW19:00
Highest solar2.32 GW10:30
Highest gas22.31 GW16:00
Lowest carbon228 gCO₂/kWh23:30
Highest imports6.79 GW13:00
Highest exports5.29 GW05:00

Daily chart

Demand, generation and carbon intensity

3 March 2023

Generation mix

Wind, solar, gas and interconnector flow