Live Grid Data
Report cache
Daily UK grid report
UK Electricity Grid Daily Report — 30 December 2023

On 30 December 2023, Britain’s electricity grid averaged 30.44 GW of grid demand, with renewables averaging 66.1% of tracked domestic generation and carbon intensity averaging 57 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.44 GW

Average grid demand for this UK day.

Peak demand 37.87 GW

Highest 15-minute grid demand period.

Avg carbon 57 gCO₂/kWh

Average carbon intensity where available.

Renewables 66.1 %

Average renewable share of tracked generation.

Average grid demandDemand
30.44 GWFull-day average from available snapshots
↓ −2.00 GW vs yesterday
Peak demand17:15
37.87 GWHighest 15-minute grid demand period
↓ −1.08 GW vs yesterday
Lowest demand04:30
22.58 GWLowest 15-minute grid demand period
↓ −3.63 GW vs yesterday
Domestic generationSupply
25.33 GWTracked UK generation sources only
↓ −3.34 GW vs yesterday
Average carbonCO₂
57 gCO₂/kWhCarbon intensity average
↑ +2 g vs yesterday
Renewable shareClean
66.1 %Wind, solar, hydro and biomass
↓ −0.2 pts vs yesterday
Clean share+ Nuclear
85.8 %Renewables plus nuclear
↑ +1.1 pts vs yesterday
Net importsFlow
5.33 GWAverage imports minus exports
↑ +2.80 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 30 December 2023, Britain’s electricity grid averaged 30.44 GW of grid demand, with renewables averaging 66.1% of tracked domestic generation and carbon intensity averaging 57 gCO₂/kWh.

The highest demand period was 37.87 GW at 17:15, while the lowest carbon intensity period was 36 gCO₂/kWh at 21:00.

Key records for 30 December 2023

Highest wind19.29 GW14:00
Highest solar0.81 GW12:00
Highest gas3.40 GW12:00
Lowest carbon36 gCO₂/kWh21:00
Highest imports7.59 GW08:00
Highest exports0.93 GW00:00

Daily chart

Demand, generation and carbon intensity

30 December 2023

Generation mix

Wind, solar, gas and interconnector flow