Electricity Live

Great Britain’s electricity on Sunday 28 May 2023

On Sunday 28 May, demand averaged 23.4 GW. Renewables supplied 35%.

23.4GW AVERAGEWind5.25 GW22%Hydro0.09 GW0%Biomass0.72 GW3%Solar3.07 GW13%Gas4.29 GW18%Imports5.67 GW23%Nuclear5.24 GW22%23.4GW AVERAGE22%13%18%23%22%
Price
£53.73/MWh
Day average £53.73
Demand23.4GW
Generation 18.7Transfers 4.7
Fossil fuels18%
Renewables35%
Other48%
Carbon intensityLow
85g/kWh
0Day average 85300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Sunday 28 May 2023, wind supplied 22% of Great Britain’s electricity and nuclear 22%. Demand peaked at 27.6 GW at 13:00. Carbon intensity averaged 85 g/kWh and the price £53.73/MWh. Wind generation peaked at 7.5 GW at 22:25. Solar generation peaked at 8.7 GW at 13:00. Carbon intensity was lowest at 12:00 (56 g/kWh) and highest at 03:30 (123 g/kWh). The wholesale price ranged from −£17.56/MWh at 15:30 to £76.89/MWh at 11:30. The price was below zero for 1 hours. Wind made 28% of the electricity generated in Great Britain, compared with 33% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.0712.6%Wind 5.2521.6%Gas 4.2917.6%Hydro 0.090.4%Biomass 0.723.0%Nuclear 5.2421.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 23.4avgGeneration 18.7avgTransfers 4.7avg
The day in figurespeaks, averages, totals
Peak demand27.6GW · 13:00
Low 17.4 · 05:20Avg 23.40–30 GW
Made in Great Britain80%of demand
Generation 18.7Transfers 4.7 GW
Net imports114GWh
In
134 Out
20
Zero-carbon share73%of generation
Nuclear 28%Hydro 1%Wind 28%Solar 16%

Transfers · Sun 28 May

Interconnectors and storage

On Sunday 28 May 2023, Great Britain imported 134 GWh and exported 20 GWh through its interconnectors. The most came from France (68 GWh), and the most exports went to Ireland (18 GWh).

All interconnectors

Sun 28 May
Imported
134GWh
Exported
20GWh
Net in
114GWh
Average net flow
4.77GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.81GWImporting

In 19.4 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.84GWImporting

In 68.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.76GWExporting

In 0.0 GWhOut 18.3 GWh

Netherlands

BritNed

Average0.59GWImporting

In 15.7 GWhOut 1.6 GWh

Norway

North Sea Link

Average1.30GWImporting

In 31.2 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 1.7 GWhPumped 3.6 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.