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

On 17 April 2026, Britain’s electricity grid averaged 33.85 GW of grid demand, with renewables averaging 62.6% of tracked domestic generation and carbon intensity averaging 88 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.85 GW

Average grid demand for this UK day.

Peak demand 38.85 GW

Highest 15-minute grid demand period.

Avg carbon 88 gCO₂/kWh

Average carbon intensity where available.

Renewables 62.6 %

Average renewable share of tracked generation.

Average grid demandDemand
33.85 GWFull-day average from available snapshots
↓ −0.70 GW vs yesterday
Peak demand17:15
38.85 GWHighest 15-minute grid demand period
↓ −0.10 GW vs yesterday
Lowest demand04:15
27.85 GWLowest 15-minute grid demand period
↓ −0.16 GW vs yesterday
Domestic generationSupply
30.12 GWTracked UK generation sources only
↓ −1.66 GW vs yesterday
Average carbonCO₂
88 gCO₂/kWhCarbon intensity average
↓ −17 g vs yesterday
Renewable shareClean
62.6 %Wind, solar, hydro and biomass
↑ +1.5 pts vs yesterday
Clean share+ Nuclear
79.7 %Renewables plus nuclear
↑ +2.6 pts vs yesterday
Net importsFlow
0.97 GWAverage imports minus exports
↑ +1.33 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 17 April 2026, Britain’s electricity grid averaged 33.85 GW of grid demand, with renewables averaging 62.6% of tracked domestic generation and carbon intensity averaging 88 gCO₂/kWh.

The highest demand period was 38.85 GW at 17:15, while the lowest carbon intensity period was 47 gCO₂/kWh at 15:30.

Key records for 17 April 2026

Highest wind16.62 GW17:00
Highest solar6.45 GW12:30
Highest gas7.64 GW20:30
Lowest carbon47 gCO₂/kWh15:30
Highest imports6.99 GW12:00
Highest exports4.95 GW05:15

Daily chart

Demand, generation and carbon intensity

17 April 2026

Generation mix

Wind, solar, gas and interconnector flow