Electricity Live

Great Britain’s electricity on Sunday 17 December 2023

On Sunday 17 December, demand averaged 31.0 GW. Renewables supplied 60%.

31.0GW AVERAGEWind19.26 GW57%Hydro0.51 GW2%Biomass2.00 GW6%Solar0.33 GW1%Gas4.09 GW12%Imports2.66 GW8%Nuclear4.67 GW14%31.0GW AVERAGE57%12%8%14%
Price
£53.27/MWh
Day average £53.27
Demand31.0GW
Generation 30.9Transfers 0.2
Fossil fuels12%
Renewables60%
Other28%
Carbon intensityLow
63g/kWh
0Day average 63300
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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 17 December 2023, wind supplied 57% of Great Britain’s electricity and nuclear 14%. Demand peaked at 38.8 GW at 17:25. Carbon intensity averaged 63 g/kWh and the price £53.27/MWh. Wind generation peaked at 20.7 GW at 12:50. Solar generation peaked at 2.0 GW at 11:30. Carbon intensity was lowest at 13:00 (48 g/kWh) and highest at 16:00 (82 g/kWh). The wholesale price ranged from £19.40/MWh at 04:30 to £88.66/MWh at 18:00. Wind made 62% 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 0.331.0%Wind 19.2657.4%Gas 4.0912.2%Hydro 0.511.5%Biomass 2.006.0%Nuclear 4.6713.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.0avgGeneration 30.9avgTransfers 0.2avg
The day in figurespeaks, averages, totals
Peak demand38.8GW · 17:25
Low 23.0 · 05:40Avg 31.00–40 GW
Made in Great Britain99%of demand
Generation 30.9Transfers 0.2 GW
Net imports10GWh
In
57 Out
47
Zero-carbon share80%of generation
Nuclear 15%Hydro 2%Wind 62%Solar 1%

Transfers · Sun 17 Dec

Interconnectors and storage

On Sunday 17 December 2023, Great Britain imported 57 GWh and exported 47 GWh through its interconnectors. The most came from Norway (17 GWh), and the most exports went to France (29 GWh).

All interconnectors

Sun 17 Dec
Imported
57GWh
Exported
47GWh
Net in
10GWh
Average net flow
0.40GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.25GWImporting

In 11.1 GWhOut 5.1 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.92GWExporting

In 6.5 GWhOut 28.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.04GWImporting

In 8.7 GWhOut 7.7 GWh

Netherlands

BritNed

Average0.43GWImporting

In 13.2 GWhOut 2.8 GWh

Norway

North Sea Link

Average0.60GWImporting

In 17.1 GWhOut 2.7 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 7.3 GWhPumped 12.5 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.