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Daily UK grid report
UK Electricity Grid Daily Report — 14 December 2023

On 14 December 2023, Britain’s electricity grid averaged 38.62 GW of grid demand, with renewables averaging 38.3% of tracked domestic generation and carbon intensity averaging 204 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.62 GW

Average grid demand for this UK day.

Peak demand 45.85 GW

Highest 15-minute grid demand period.

Avg carbon 204 gCO₂/kWh

Average carbon intensity where available.

Renewables 38.3 %

Average renewable share of tracked generation.

Average grid demandDemand
38.62 GWFull-day average from available snapshots
↑ +5.22 GW vs yesterday
Peak demand13:00
45.85 GWHighest 15-minute grid demand period
↑ +5.01 GW vs yesterday
Lowest demand04:30
28.13 GWLowest 15-minute grid demand period
↑ +3.55 GW vs yesterday
Domestic generationSupply
37.82 GWTracked UK generation sources only
↑ +6.55 GW vs yesterday
Average carbonCO₂
204 gCO₂/kWhCarbon intensity average
↑ +31 g vs yesterday
Renewable shareClean
38.3 %Wind, solar, hydro and biomass
↓ −5.3 pts vs yesterday
Clean share+ Nuclear
51.3 %Renewables plus nuclear
↓ −8.0 pts vs yesterday
Net importsFlow
-1.45 GWAverage imports minus exports
↓ −2.64 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 14 December 2023, Britain’s electricity grid averaged 38.62 GW of grid demand, with renewables averaging 38.3% of tracked domestic generation and carbon intensity averaging 204 gCO₂/kWh.

The highest demand period was 45.85 GW at 13:00, while the lowest carbon intensity period was 136 gCO₂/kWh at 23:30.

Key records for 14 December 2023

Highest wind11.38 GW12:30
Highest solar1.74 GW11:30
Highest gas22.50 GW14:30
Lowest carbon136 gCO₂/kWh23:30
Highest imports2.12 GW10:00
Highest exports4.00 GW14:45

Daily chart

Demand, generation and carbon intensity

14 December 2023

Generation mix

Wind, solar, gas and interconnector flow