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Daily UK grid report
UK Electricity Grid Daily Report — 19 May 2026

On 19 May 2026, Britain’s electricity grid averaged 30.34 GW of grid demand, with renewables averaging 70.6% of tracked domestic generation and carbon intensity averaging 61 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 30.34 GW

Average grid demand for this UK day.

Peak demand 36.70 GW

Highest 15-minute grid demand period.

Avg carbon 61 gCO₂/kWh

Average carbon intensity where available.

Renewables 70.6 %

Average renewable share of tracked generation.

Average grid demandDemand
30.34 GWFull-day average from available snapshots
↓ −0.82 GW vs yesterday
Peak demand17:45
36.70 GWHighest 15-minute grid demand period
↓ −0.17 GW vs yesterday
Lowest demand03:15
23.87 GWLowest 15-minute grid demand period
↑ +0.38 GW vs yesterday
Domestic generationSupply
26.47 GWTracked UK generation sources only
↑ +0.82 GW vs yesterday
Average carbonCO₂
61 gCO₂/kWhCarbon intensity average
↓ −140 g vs yesterday
Renewable shareClean
70.6 %Wind, solar, hydro and biomass
↑ +33.3 pts vs yesterday
Clean share+ Nuclear
83.0 %Renewables plus nuclear
↑ +32.9 pts vs yesterday
Net importsFlow
1.61 GWAverage imports minus exports
↓ −2.42 GW vs yesterday

Daily insight

What happened on the UK electricity grid?

On 19 May 2026, Britain’s electricity grid averaged 30.34 GW of grid demand, with renewables averaging 70.6% of tracked domestic generation and carbon intensity averaging 61 gCO₂/kWh.

The highest demand period was 36.70 GW at 17:45, while the lowest carbon intensity period was 40 gCO₂/kWh at 14:30.

Key records for 19 May 2026

Highest wind16.19 GW15:15
Highest solar6.88 GW14:30
Highest gas5.72 GW21:00
Lowest carbon40 gCO₂/kWh14:30
Highest imports5.52 GW09:15
Highest exports4.82 GW06:45

Daily chart

Demand, generation and carbon intensity

19 May 2026

Generation mix

Wind, solar, gas and interconnector flow