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Daily UK grid report
UK Electricity Grid Daily Report — 28 September 2024

On 28 September 2024, Britain’s electricity grid averaged 28.36 GW of grid demand, with renewables averaging 45.5% of tracked domestic generation and carbon intensity averaging 129 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 28.36 GW

Average grid demand for this UK day.

Peak demand 32.82 GW

Highest 15-minute grid demand period.

Avg carbon 129 gCO₂/kWh

Average carbon intensity where available.

Renewables 45.5 %

Average renewable share of tracked generation.

Average grid demandDemand
28.36 GWFull-day average from available snapshots
↓ −2.80 GW vs yesterday
Peak demand12:00
32.82 GWHighest 15-minute grid demand period
↓ −4.72 GW vs yesterday
Lowest demand04:30
22.04 GWLowest 15-minute grid demand period
↓ −1.33 GW vs yesterday
Domestic generationSupply
23.19 GWTracked UK generation sources only
↓ −4.85 GW vs yesterday
Average carbonCO₂
129 gCO₂/kWhCarbon intensity average
↑ +63 g vs yesterday
Renewable shareClean
45.5 %Wind, solar, hydro and biomass
↓ −21.6 pts vs yesterday
Clean share+ Nuclear
64.7 %Renewables plus nuclear
↓ −18.2 pts vs yesterday
Net importsFlow
4.57 GWAverage imports minus exports
↑ +1.84 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 September 2024, Britain’s electricity grid averaged 28.36 GW of grid demand, with renewables averaging 45.5% of tracked domestic generation and carbon intensity averaging 129 gCO₂/kWh.

The highest demand period was 32.82 GW at 12:00, while the lowest carbon intensity period was 53 gCO₂/kWh at 00:00.

Key records for 28 September 2024

Highest wind13.12 GW00:00
Highest solar8.34 GW12:00
Highest gas14.55 GW19:00
Lowest carbon53 gCO₂/kWh00:00
Highest imports5.84 GW20:00
Highest exports0.99 GW08:00

Daily chart

Demand, generation and carbon intensity

28 September 2024

Generation mix

Wind, solar, gas and interconnector flow