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Daily UK grid report
UK Electricity Grid Daily Report — 20 January 2023

On 20 January 2023, Britain’s electricity grid averaged 38.79 GW of grid demand, with renewables averaging 36.2% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 38.79 GW

Average grid demand for this UK day.

Peak demand 45.86 GW

Highest 15-minute grid demand period.

Avg carbon 209 gCO₂/kWh

Average carbon intensity where available.

Renewables 36.2 %

Average renewable share of tracked generation.

Average grid demandDemand
38.79 GWFull-day average from available snapshots
↓ −2.01 GW vs yesterday
Peak demand10:00
45.86 GWHighest 15-minute grid demand period
↓ −2.56 GW vs yesterday
Lowest demand23:45
30.00 GWLowest 15-minute grid demand period
↑ +0.28 GW vs yesterday
Domestic generationSupply
36.62 GWTracked UK generation sources only
↓ −2.15 GW vs yesterday
Average carbonCO₂
209 gCO₂/kWhCarbon intensity average
↑ +3 g vs yesterday
Renewable shareClean
36.2 %Wind, solar, hydro and biomass
↓ −2.8 pts vs yesterday
Clean share+ Nuclear
50.0 %Renewables plus nuclear
↓ −1.8 pts vs yesterday
Net importsFlow
0.95 GWAverage imports minus exports
↑ +1.16 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 20 January 2023, Britain’s electricity grid averaged 38.79 GW of grid demand, with renewables averaging 36.2% of tracked domestic generation and carbon intensity averaging 209 gCO₂/kWh.

The highest demand period was 45.86 GW at 10:00, while the lowest carbon intensity period was 142 gCO₂/kWh at 03:30.

Key records for 20 January 2023

Highest wind13.05 GW03:00
Highest solar5.78 GW12:00
Highest gas21.39 GW12:00
Lowest carbon142 gCO₂/kWh03:30
Highest imports5.26 GW19:00
Highest exports4.36 GW05:00

Daily chart

Demand, generation and carbon intensity

20 January 2023

Generation mix

Wind, solar, gas and interconnector flow