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Daily UK grid report
UK Electricity Grid Daily Report — 18 January 2026

On 18 January 2026, Britain’s electricity grid averaged 34.08 GW of grid demand, with renewables averaging 33.5% of tracked domestic generation and carbon intensity averaging 200 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 34.08 GW

Average grid demand for this UK day.

Peak demand 42.13 GW

Highest 15-minute grid demand period.

Avg carbon 200 gCO₂/kWh

Average carbon intensity where available.

Renewables 33.5 %

Average renewable share of tracked generation.

Average grid demandDemand
34.08 GWFull-day average from available snapshots
↓ −1.11 GW vs yesterday
Peak demand17:00
42.13 GWHighest 15-minute grid demand period
↑ +0.30 GW vs yesterday
Lowest demand06:15
26.28 GWLowest 15-minute grid demand period
↓ −2.08 GW vs yesterday
Domestic generationSupply
27.25 GWTracked UK generation sources only
↓ −2.63 GW vs yesterday
Average carbonCO₂
200 gCO₂/kWhCarbon intensity average
↑ +6 g vs yesterday
Renewable shareClean
33.5 %Wind, solar, hydro and biomass
↓ −4.2 pts vs yesterday
Clean share+ Nuclear
48.7 %Renewables plus nuclear
↓ −2.6 pts vs yesterday
Net importsFlow
6.43 GWAverage imports minus exports
↑ +2.47 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 18 January 2026, Britain’s electricity grid averaged 34.08 GW of grid demand, with renewables averaging 33.5% of tracked domestic generation and carbon intensity averaging 200 gCO₂/kWh.

The highest demand period was 42.13 GW at 17:00, while the lowest carbon intensity period was 170 gCO₂/kWh at 23:30.

Key records for 18 January 2026

Highest wind7.58 GW23:00
Highest solar1.58 GW12:00
Highest gas17.88 GW18:00
Lowest carbon170 gCO₂/kWh23:30
Highest imports7.98 GW18:00
Highest exports1.24 GW03:00

Daily chart

Demand, generation and carbon intensity

18 January 2026

Generation mix

Wind, solar, gas and interconnector flow