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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 33.27 GW of grid demand, with renewables averaging 74.0% of tracked domestic generation and carbon intensity averaging 91 gCO₂/kWh. Daily UK electricity demand, generation, carbon intensity, imports, exports and key records.

Avg demand 33.27 GW

Average grid demand for this UK day.

Peak demand 39.59 GW

Highest 15-minute grid demand period.

Avg carbon 91 gCO₂/kWh

Average carbon intensity where available.

Renewables 74.0 %

Average renewable share of tracked generation.

Average grid demandDemand
33.27 GWFull-day average from available snapshots
↑ +2.11 GW vs yesterday
Peak demand12:00
39.59 GWHighest 15-minute grid demand period
↑ +2.71 GW vs yesterday
Lowest demand00:30
26.40 GWLowest 15-minute grid demand period
↑ +2.91 GW vs yesterday
Domestic generationSupply
29.41 GWTracked UK generation sources only
↑ +3.76 GW vs yesterday
Average carbonCO₂
91 gCO₂/kWhCarbon intensity average
↓ −110 g vs yesterday
Renewable shareClean
74.0 %Wind, solar, hydro and biomass
↑ +36.8 pts vs yesterday
Clean share+ Nuclear
85.2 %Renewables plus nuclear
↑ +35.0 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 33.27 GW of grid demand, with renewables averaging 74.0% of tracked domestic generation and carbon intensity averaging 91 gCO₂/kWh.

The highest demand period was 39.59 GW at 12:00, while the lowest carbon intensity period was 48 gCO₂/kWh at 04:00.

Key records for 19 May 2026

Highest wind19.36 GW15:00
Highest solar7.72 GW12:00
Highest gas5.62 GW20:30
Lowest carbon48 gCO₂/kWh04:00
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