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Daily UK grid report
UK Electricity Grid Daily Report — 17 January 2026

On 17 January 2026, Britain’s electricity grid averaged 35.19 GW of grid demand, with renewables averaging 37.7% of tracked domestic generation and carbon intensity averaging 194 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 35.19 GW

Average grid demand for this UK day.

Peak demand 41.83 GW

Highest 15-minute grid demand period.

Avg carbon 194 gCO₂/kWh

Average carbon intensity where available.

Renewables 37.7 %

Average renewable share of tracked generation.

Average grid demandDemand
35.19 GWFull-day average from available snapshots
↓ −3.62 GW vs yesterday
Peak demand17:00
41.83 GWHighest 15-minute grid demand period
↓ −5.16 GW vs yesterday
Lowest demand04:30
28.36 GWLowest 15-minute grid demand period
↑ +0.54 GW vs yesterday
Domestic generationSupply
29.88 GWTracked UK generation sources only
↓ −4.01 GW vs yesterday
Average carbonCO₂
194 gCO₂/kWhCarbon intensity average
↑ +2 g vs yesterday
Renewable shareClean
37.7 %Wind, solar, hydro and biomass
↓ −1.0 pts vs yesterday
Clean share+ Nuclear
51.4 %Renewables plus nuclear
No change vs yesterday
Net importsFlow
3.96 GWAverage imports minus exports
↑ +0.46 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 January 2026, Britain’s electricity grid averaged 35.19 GW of grid demand, with renewables averaging 37.7% of tracked domestic generation and carbon intensity averaging 194 gCO₂/kWh.

The highest demand period was 41.83 GW at 17:00, while the lowest carbon intensity period was 134 gCO₂/kWh at 04:30.

Key records for 17 January 2026

Highest wind10.77 GW00:00
Highest solar3.79 GW12:00
Highest gas20.46 GW18:30
Lowest carbon134 gCO₂/kWh04:30
Highest imports7.75 GW23:00
Highest exports2.36 GW07:45

Daily chart

Demand, generation and carbon intensity

17 January 2026

Generation mix

Wind, solar, gas and interconnector flow