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Daily UK grid report
UK Electricity Grid Daily Report — 9 January 2023

On 9 January 2023, Britain’s electricity grid averaged 35.14 GW of grid demand, with renewables averaging 64.0% of tracked domestic generation and carbon intensity averaging 81 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.14 GW

Average grid demand for this UK day.

Peak demand 44.35 GW

Highest 15-minute grid demand period.

Avg carbon 81 gCO₂/kWh

Average carbon intensity where available.

Renewables 64.0 %

Average renewable share of tracked generation.

Average grid demandDemand
35.14 GWFull-day average from available snapshots
↑ +2.63 GW vs yesterday
Peak demand17:30
44.35 GWHighest 15-minute grid demand period
↑ +3.36 GW vs yesterday
Lowest demand03:45
22.85 GWLowest 15-minute grid demand period
↓ −2.30 GW vs yesterday
Domestic generationSupply
30.88 GWTracked UK generation sources only
↑ +1.43 GW vs yesterday
Average carbonCO₂
81 gCO₂/kWhCarbon intensity average
↑ +17 g vs yesterday
Renewable shareClean
64.0 %Wind, solar, hydro and biomass
↓ −3.2 pts vs yesterday
Clean share+ Nuclear
81.3 %Renewables plus nuclear
↓ −3.7 pts vs yesterday
Net importsFlow
4.29 GWAverage imports minus exports
↑ +2.54 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 9 January 2023, Britain’s electricity grid averaged 35.14 GW of grid demand, with renewables averaging 64.0% of tracked domestic generation and carbon intensity averaging 81 gCO₂/kWh.

The highest demand period was 44.35 GW at 17:30, while the lowest carbon intensity period was 49 gCO₂/kWh at 03:30.

Key records for 9 January 2023

Highest wind18.94 GW18:00
Highest solar3.40 GW11:30
Highest gas7.40 GW16:30
Lowest carbon49 gCO₂/kWh03:30
Highest imports6.80 GW08:45
Highest exports1.35 GW05:00

Daily chart

Demand, generation and carbon intensity

9 January 2023

Generation mix

Wind, solar, gas and interconnector flow