Electricity Live

Great Britain’s electricity on Saturday 23 December 2023

On Saturday 23 December, demand averaged 29.3 GW. Renewables supplied 63%.

29.3GW AVERAGEWind18.58 GW59%Hydro0.70 GW2%Biomass0.69 GW2%Solar0.40 GW1%Gas2.95 GW9%Coal0.03 GW0%Imports2.85 GW9%Nuclear5.25 GW17%29.3GW AVERAGE59%9%9%17%
Price
£29.46/MWh
Day average £29.46
Demand29.3GW
Generation 28.6Transfers 0.7
Fossil fuels9%
Renewables63%
Other28%
Carbon intensityLow
46g/kWh
0Day average 46300
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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

Records set on this day

All records

Key moments

On Saturday 23 December 2023, wind supplied 59% of Great Britain’s electricity and nuclear 17%. Demand peaked at 36.2 GW at 17:05. Carbon intensity averaged 46 g/kWh and the price £29.46/MWh. Wind generation peaked at 20.5 GW at 14:25. Solar generation peaked at 2.2 GW at 12:00. Carbon intensity was lowest at 10:30 (29 g/kWh) and highest at 21:30 (60 g/kWh). The wholesale price ranged from −£7.10/MWh at 03:30 to £67.29/MWh at 14:00. The price was below zero for 3.5 hours. Wind made 65% 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 0.401.3%Wind 18.5859.1%Gas 2.959.4%Hydro 0.702.2%Biomass 0.692.2%Nuclear 5.2516.7%Coal 0.030.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.3avgGeneration 28.6avgTransfers 0.7avg
The day in figurespeaks, averages, totals
Peak demand36.2GW · 17:05
Low 21.8 · 04:15Avg 29.30–40 GW
Made in Great Britain98%of demand
Generation 28.6Transfers 0.7 GW
Net imports19GWh
In
57 Out
38
Zero-carbon share87%of generation
Nuclear 18%Hydro 2%Wind 65%Solar 1%

Transfers · Sat 23 Dec

Interconnectors and storage

On Saturday 23 December 2023, Great Britain imported 57 GWh and exported 38 GWh through its interconnectors. The most came from France (39 GWh), and the most exports went to Norway (24 GWh).

All interconnectors

Sat 23 Dec
Imported
57GWh
Exported
38GWh
Net in
19GWh
Average net flow
0.81GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.47GWImporting

In 12.7 GWhOut 1.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.51GWImporting

In 38.6 GWhOut 2.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.19GWImporting

In 4.8 GWhOut 0.2 GWh

Netherlands

BritNed

Average0.36GWExporting

In 1.3 GWhOut 10.0 GWh

Norway

North Sea Link

Average1.01GWExporting

In 0.0 GWhOut 24.1 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWPumping

Generated 11.0 GWhPumped 13.9 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.