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Daily UK grid report
UK Electricity Grid Daily Report — 11 March 2023

On 11 March 2023, Britain’s electricity grid averaged 32.77 GW of grid demand, with renewables averaging 34.0% of tracked domestic generation and carbon intensity averaging 187 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.77 GW

Average grid demand for this UK day.

Peak demand 38.80 GW

Highest 15-minute grid demand period.

Avg carbon 187 gCO₂/kWh

Average carbon intensity where available.

Renewables 34.0 %

Average renewable share of tracked generation.

Average grid demandDemand
32.77 GWFull-day average from available snapshots
↓ −4.39 GW vs yesterday
Peak demand18:00
38.80 GWHighest 15-minute grid demand period
↓ −6.54 GW vs yesterday
Lowest demand04:30
25.55 GWLowest 15-minute grid demand period
↓ −0.28 GW vs yesterday
Domestic generationSupply
26.34 GWTracked UK generation sources only
↓ −5.11 GW vs yesterday
Average carbonCO₂
187 gCO₂/kWhCarbon intensity average
↑ +28 g vs yesterday
Renewable shareClean
34.0 %Wind, solar, hydro and biomass
↓ −11.3 pts vs yesterday
Clean share+ Nuclear
49.9 %Renewables plus nuclear
↓ −9.0 pts vs yesterday
Net importsFlow
6.76 GWAverage imports minus exports
↑ +1.43 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 11 March 2023, Britain’s electricity grid averaged 32.77 GW of grid demand, with renewables averaging 34.0% of tracked domestic generation and carbon intensity averaging 187 gCO₂/kWh.

The highest demand period was 38.80 GW at 18:00, while the lowest carbon intensity period was 71 gCO₂/kWh at 23:30.

Key records for 11 March 2023

Highest wind15.20 GW22:00
Highest solar6.60 GW11:00
Highest gas15.17 GW17:00
Lowest carbon71 gCO₂/kWh23:30
Highest imports7.77 GW09:00
Highest exports0.36 GW00:00

Daily chart

Demand, generation and carbon intensity

11 March 2023

Generation mix

Wind, solar, gas and interconnector flow