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Daily UK grid report
UK Electricity Grid Daily Report — 28 January 2023

On 28 January 2023, Britain’s electricity grid averaged 33.84 GW of grid demand, with renewables averaging 22.0% of tracked domestic generation and carbon intensity averaging 251 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.84 GW

Average grid demand for this UK day.

Peak demand 41.90 GW

Highest 15-minute grid demand period.

Avg carbon 251 gCO₂/kWh

Average carbon intensity where available.

Renewables 22.0 %

Average renewable share of tracked generation.

Average grid demandDemand
33.84 GWFull-day average from available snapshots
↓ −3.15 GW vs yesterday
Peak demand17:30
41.90 GWHighest 15-minute grid demand period
↓ −2.55 GW vs yesterday
Lowest demand05:00
25.71 GWLowest 15-minute grid demand period
↓ −1.24 GW vs yesterday
Domestic generationSupply
30.06 GWTracked UK generation sources only
↓ −2.79 GW vs yesterday
Average carbonCO₂
251 gCO₂/kWhCarbon intensity average
↑ +14 g vs yesterday
Renewable shareClean
22.0 %Wind, solar, hydro and biomass
↓ −4.0 pts vs yesterday
Clean share+ Nuclear
38.3 %Renewables plus nuclear
↓ −2.8 pts vs yesterday
Net importsFlow
3.17 GWAverage imports minus exports
↓ −0.43 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 28 January 2023, Britain’s electricity grid averaged 33.84 GW of grid demand, with renewables averaging 22.0% of tracked domestic generation and carbon intensity averaging 251 gCO₂/kWh.

The highest demand period was 41.90 GW at 17:30, while the lowest carbon intensity period was 168 gCO₂/kWh at 23:30.

Key records for 28 January 2023

Highest wind7.83 GW23:30
Highest solar2.23 GW11:00
Highest gas21.25 GW18:00
Lowest carbon168 gCO₂/kWh23:30
Highest imports7.06 GW17:30
Highest exports1.94 GW07:45

Daily chart

Demand, generation and carbon intensity

28 January 2023

Generation mix

Wind, solar, gas and interconnector flow