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Daily UK grid report
UK Electricity Grid Daily Report — 13 March 2023

On 13 March 2023, Britain’s electricity grid averaged 33.99 GW of grid demand, with renewables averaging 70.7% of tracked domestic generation and carbon intensity averaging 63 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.99 GW

Average grid demand for this UK day.

Peak demand 40.76 GW

Highest 15-minute grid demand period.

Avg carbon 63 gCO₂/kWh

Average carbon intensity where available.

Renewables 70.7 %

Average renewable share of tracked generation.

Average grid demandDemand
33.99 GWFull-day average from available snapshots
↑ +2.98 GW vs yesterday
Peak demand18:30
40.76 GWHighest 15-minute grid demand period
↑ +2.68 GW vs yesterday
Lowest demand00:00
24.25 GWLowest 15-minute grid demand period
↑ +0.68 GW vs yesterday
Domestic generationSupply
29.80 GWTracked UK generation sources only
↑ +2.63 GW vs yesterday
Average carbonCO₂
63 gCO₂/kWhCarbon intensity average
↓ −8 g vs yesterday
Renewable shareClean
70.7 %Wind, solar, hydro and biomass
↑ +2.0 pts vs yesterday
Clean share+ Nuclear
84.6 %Renewables plus nuclear
↑ +0.7 pts vs yesterday
Net importsFlow
3.88 GWAverage imports minus exports
↓ −0.05 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 13 March 2023, Britain’s electricity grid averaged 33.99 GW of grid demand, with renewables averaging 70.7% of tracked domestic generation and carbon intensity averaging 63 gCO₂/kWh.

The highest demand period was 40.76 GW at 18:30, while the lowest carbon intensity period was 45 gCO₂/kWh at 10:00.

Key records for 13 March 2023

Highest wind20.14 GW07:30
Highest solar4.06 GW12:00
Highest gas6.03 GW18:30
Lowest carbon45 gCO₂/kWh10:00
Highest imports6.66 GW16:00
Highest exports3.99 GW05:00

Daily chart

Demand, generation and carbon intensity

13 March 2023

Generation mix

Wind, solar, gas and interconnector flow