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Daily UK grid report
UK Electricity Grid Daily Report — 9 March 2023

On 9 March 2023, Britain’s electricity grid averaged 37.12 GW of grid demand, with renewables averaging 39.1% of tracked domestic generation and carbon intensity averaging 186 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 37.12 GW

Average grid demand for this UK day.

Peak demand 45.48 GW

Highest 15-minute grid demand period.

Avg carbon 186 gCO₂/kWh

Average carbon intensity where available.

Renewables 39.1 %

Average renewable share of tracked generation.

Average grid demandDemand
37.12 GWFull-day average from available snapshots
↓ −0.14 GW vs yesterday
Peak demand17:45
45.48 GWHighest 15-minute grid demand period
↓ −0.27 GW vs yesterday
Lowest demand04:15
26.63 GWLowest 15-minute grid demand period
↑ +0.71 GW vs yesterday
Domestic generationSupply
31.56 GWTracked UK generation sources only
↓ −0.95 GW vs yesterday
Average carbonCO₂
186 gCO₂/kWhCarbon intensity average
↓ −49 g vs yesterday
Renewable shareClean
39.1 %Wind, solar, hydro and biomass
↑ +12.2 pts vs yesterday
Clean share+ Nuclear
53.0 %Renewables plus nuclear
↑ +12.9 pts vs yesterday
Net importsFlow
5.56 GWAverage imports minus exports
↑ +0.77 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 9 March 2023, Britain’s electricity grid averaged 37.12 GW of grid demand, with renewables averaging 39.1% of tracked domestic generation and carbon intensity averaging 186 gCO₂/kWh.

The highest demand period was 45.48 GW at 17:45, while the lowest carbon intensity period was 78 gCO₂/kWh at 23:30.

Key records for 9 March 2023

Highest wind15.66 GW20:30
Highest solar1.51 GW12:00
Highest gas19.46 GW09:30
Lowest carbon78 gCO₂/kWh23:30
Highest imports7.95 GW04:00
Highest exports2.06 GW17:15

Daily chart

Demand, generation and carbon intensity

9 March 2023

Generation mix

Wind, solar, gas and interconnector flow