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Daily UK grid report
UK Electricity Grid Daily Report — 22 March 2023

On 22 March 2023, Britain’s electricity grid averaged 32.83 GW of grid demand, with renewables averaging 68.4% of tracked domestic generation and carbon intensity averaging 69 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.83 GW

Average grid demand for this UK day.

Peak demand 38.35 GW

Highest 15-minute grid demand period.

Avg carbon 69 gCO₂/kWh

Average carbon intensity where available.

Renewables 68.4 %

Average renewable share of tracked generation.

Average grid demandDemand
32.83 GWFull-day average from available snapshots
↑ +0.46 GW vs yesterday
Peak demand11:00
38.35 GWHighest 15-minute grid demand period
↑ +0.05 GW vs yesterday
Lowest demand23:45
23.54 GWLowest 15-minute grid demand period
↑ +0.43 GW vs yesterday
Domestic generationSupply
29.45 GWTracked UK generation sources only
↓ −0.28 GW vs yesterday
Average carbonCO₂
69 gCO₂/kWhCarbon intensity average
↓ −31 g vs yesterday
Renewable shareClean
68.4 %Wind, solar, hydro and biomass
↑ +6.4 pts vs yesterday
Clean share+ Nuclear
82.1 %Renewables plus nuclear
↑ +6.7 pts vs yesterday
Net importsFlow
2.84 GWAverage imports minus exports
↑ +0.16 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 22 March 2023, Britain’s electricity grid averaged 32.83 GW of grid demand, with renewables averaging 68.4% of tracked domestic generation and carbon intensity averaging 69 gCO₂/kWh.

The highest demand period was 38.35 GW at 11:00, while the lowest carbon intensity period was 39 gCO₂/kWh at 10:30.

Key records for 22 March 2023

Highest wind18.98 GW03:30
Highest solar7.77 GW11:00
Highest gas8.32 GW18:00
Lowest carbon39 gCO₂/kWh10:30
Highest imports6.67 GW19:00
Highest exports4.21 GW04:00

Daily chart

Demand, generation and carbon intensity

22 March 2023

Generation mix

Wind, solar, gas and interconnector flow