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Daily UK grid report
UK Electricity Grid Daily Report — 27 March 2023

On 27 March 2023, Britain’s electricity grid averaged 32.31 GW of grid demand, with renewables averaging 36.1% of tracked domestic generation and carbon intensity averaging 181 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 32.31 GW

Average grid demand for this UK day.

Peak demand 39.70 GW

Highest 15-minute grid demand period.

Avg carbon 181 gCO₂/kWh

Average carbon intensity where available.

Renewables 36.1 %

Average renewable share of tracked generation.

Average grid demandDemand
32.31 GWFull-day average from available snapshots
↑ +2.44 GW vs yesterday
Peak demand11:00
39.70 GWHighest 15-minute grid demand period
↑ +3.45 GW vs yesterday
Lowest demand00:45
23.94 GWLowest 15-minute grid demand period
↑ +1.14 GW vs yesterday
Domestic generationSupply
27.34 GWTracked UK generation sources only
↑ +3.42 GW vs yesterday
Average carbonCO₂
181 gCO₂/kWhCarbon intensity average
↑ +60 g vs yesterday
Renewable shareClean
36.1 %Wind, solar, hydro and biomass
↓ −12.8 pts vs yesterday
Clean share+ Nuclear
52.4 %Renewables plus nuclear
↓ −15.0 pts vs yesterday
Net importsFlow
4.95 GWAverage imports minus exports
↓ −0.55 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 27 March 2023, Britain’s electricity grid averaged 32.31 GW of grid demand, with renewables averaging 36.1% of tracked domestic generation and carbon intensity averaging 181 gCO₂/kWh.

The highest demand period was 39.70 GW at 11:00, while the lowest carbon intensity period was 127 gCO₂/kWh at 01:00.

Key records for 27 March 2023

Highest wind7.82 GW04:00
Highest solar7.54 GW11:30
Highest gas18.78 GW18:30
Lowest carbon127 gCO₂/kWh01:00
Highest imports6.64 GW02:00
Highest exports1.33 GW06:45

Daily chart

Demand, generation and carbon intensity

27 March 2023

Generation mix

Wind, solar, gas and interconnector flow