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Daily UK grid report
UK Electricity Grid Daily Report — 28 March 2023

On 28 March 2023, Britain’s electricity grid averaged 34.24 GW of grid demand, with renewables averaging 48.7% of tracked domestic generation and carbon intensity averaging 147 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.24 GW

Average grid demand for this UK day.

Peak demand 41.11 GW

Highest 15-minute grid demand period.

Avg carbon 147 gCO₂/kWh

Average carbon intensity where available.

Renewables 48.7 %

Average renewable share of tracked generation.

Average grid demandDemand
34.24 GWFull-day average from available snapshots
↑ +1.94 GW vs yesterday
Peak demand18:00
41.11 GWHighest 15-minute grid demand period
↑ +1.41 GW vs yesterday
Lowest demand04:15
25.15 GWLowest 15-minute grid demand period
↑ +1.21 GW vs yesterday
Domestic generationSupply
29.97 GWTracked UK generation sources only
↑ +2.63 GW vs yesterday
Average carbonCO₂
147 gCO₂/kWhCarbon intensity average
↓ −34 g vs yesterday
Renewable shareClean
48.7 %Wind, solar, hydro and biomass
↑ +12.6 pts vs yesterday
Clean share+ Nuclear
63.0 %Renewables plus nuclear
↑ +10.5 pts vs yesterday
Net importsFlow
3.94 GWAverage imports minus exports
↓ −1.01 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 March 2023, Britain’s electricity grid averaged 34.24 GW of grid demand, with renewables averaging 48.7% of tracked domestic generation and carbon intensity averaging 147 gCO₂/kWh.

The highest demand period was 41.11 GW at 18:00, while the lowest carbon intensity period was 107 gCO₂/kWh at 23:30.

Key records for 28 March 2023

Highest wind14.87 GW11:00
Highest solar1.88 GW13:00
Highest gas13.99 GW18:30
Lowest carbon107 gCO₂/kWh23:30
Highest imports6.14 GW13:00
Highest exports2.46 GW06:15

Daily chart

Demand, generation and carbon intensity

28 March 2023

Generation mix

Wind, solar, gas and interconnector flow