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Daily UK grid report
UK Electricity Grid Daily Report — 19 May 2023

On 19 May 2023, Britain’s electricity grid averaged 29.20 GW of grid demand, with renewables averaging 25.9% of tracked domestic generation and carbon intensity averaging 186 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 29.20 GW

Average grid demand for this UK day.

Peak demand 34.52 GW

Highest 15-minute grid demand period.

Avg carbon 186 gCO₂/kWh

Average carbon intensity where available.

Renewables 25.9 %

Average renewable share of tracked generation.

Average grid demandDemand
29.20 GWFull-day average from available snapshots
↓ −0.11 GW vs yesterday
Peak demand12:15
34.52 GWHighest 15-minute grid demand period
↓ −0.04 GW vs yesterday
Lowest demand03:30
22.39 GWLowest 15-minute grid demand period
↑ +0.55 GW vs yesterday
Domestic generationSupply
23.08 GWTracked UK generation sources only
↓ −0.36 GW vs yesterday
Average carbonCO₂
186 gCO₂/kWhCarbon intensity average
↑ +12 g vs yesterday
Renewable shareClean
25.9 %Wind, solar, hydro and biomass
↓ −5.8 pts vs yesterday
Clean share+ Nuclear
43.9 %Renewables plus nuclear
↓ −5.1 pts vs yesterday
Net importsFlow
5.00 GWAverage imports minus exports
↑ +0.02 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 May 2023, Britain’s electricity grid averaged 29.20 GW of grid demand, with renewables averaging 25.9% of tracked domestic generation and carbon intensity averaging 186 gCO₂/kWh.

The highest demand period was 34.52 GW at 12:15, while the lowest carbon intensity period was 140 gCO₂/kWh at 23:30.

Key records for 19 May 2023

Highest wind5.44 GW20:30
Highest solar5.97 GW12:00
Highest gas14.87 GW08:00
Lowest carbon140 gCO₂/kWh23:30
Highest imports7.35 GW18:30
Highest exports2.51 GW05:00

Daily chart

Demand, generation and carbon intensity

19 May 2023

Generation mix

Wind, solar, gas and interconnector flow