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

On 28 April 2023, Britain’s electricity grid averaged 30.79 GW of grid demand, with renewables averaging 33.0% 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 30.79 GW

Average grid demand for this UK day.

Peak demand 36.53 GW

Highest 15-minute grid demand period.

Avg carbon 186 gCO₂/kWh

Average carbon intensity where available.

Renewables 33.0 %

Average renewable share of tracked generation.

Average grid demandDemand
30.79 GWFull-day average from available snapshots
↓ −2.13 GW vs yesterday
Peak demand11:00
36.53 GWHighest 15-minute grid demand period
↓ −2.12 GW vs yesterday
Lowest demand04:00
23.57 GWLowest 15-minute grid demand period
↑ +0.10 GW vs yesterday
Domestic generationSupply
26.32 GWTracked UK generation sources only
↓ −3.91 GW vs yesterday
Average carbonCO₂
186 gCO₂/kWhCarbon intensity average
↓ −6 g vs yesterday
Renewable shareClean
33.0 %Wind, solar, hydro and biomass
↓ −4.5 pts vs yesterday
Clean share+ Nuclear
48.9 %Renewables plus nuclear
↓ −2.6 pts vs yesterday
Net importsFlow
4.07 GWAverage imports minus exports
↑ +2.02 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 April 2023, Britain’s electricity grid averaged 30.79 GW of grid demand, with renewables averaging 33.0% of tracked domestic generation and carbon intensity averaging 186 gCO₂/kWh.

The highest demand period was 36.53 GW at 11:00, while the lowest carbon intensity period was 128 gCO₂/kWh at 01:00.

Key records for 28 April 2023

Highest wind12.09 GW00:00
Highest solar4.80 GW14:30
Highest gas16.07 GW20:30
Lowest carbon128 gCO₂/kWh01:00
Highest imports7.00 GW11:00
Highest exports1.51 GW00:00

Daily chart

Demand, generation and carbon intensity

28 April 2023

Generation mix

Wind, solar, gas and interconnector flow