Electricity Live

Great Britain’s electricity on Saturday 16 December 2023

On Saturday 16 December, demand averaged 31.5 GW. Renewables supplied 57%.

31.5GW AVERAGEWind17.99 GW54%Hydro0.39 GW1%Biomass1.70 GW5%Solar0.38 GW1%Gas4.84 GW15%Coal0.14 GW0%Imports2.97 GW9%Nuclear4.67 GW14%31.5GW AVERAGE54%15%9%14%
Price
£54.96/MWh
Day average £54.96
Demand31.5GW
Generation 30.1Transfers 1.4
Fossil fuels15%
Renewables57%
Other28%
Carbon intensityLow
71g/kWh
0Day average 71300
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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 Saturday 16 December 2023, wind supplied 54% of Great Britain’s electricity and gas 15%. Demand peaked at 38.6 GW at 17:30. Carbon intensity averaged 71 g/kWh and the price £54.96/MWh. Wind generation peaked at 19.2 GW at 18:45. Solar generation peaked at 2.1 GW at 11:30. Carbon intensity was lowest at 11:00 (56 g/kWh) and highest at 07:00 (91 g/kWh). The wholesale price ranged from £28.87/MWh at 05:30 to £74.87/MWh at 18:00. Wind made 60% 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 0.381.2%Wind 17.9954.4%Gas 4.8414.6%Hydro 0.391.2%Biomass 1.705.1%Nuclear 4.6714.1%Coal 0.140.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.5avgGeneration 30.1avgTransfers 1.4avg
The day in figurespeaks, averages, totals
Peak demand38.6GW · 17:30
Low 23.8 · 05:00Avg 31.50–40 GW
Made in Great Britain96%of demand
Generation 30.1Transfers 1.4 GW
Net imports39GWh
In
66 Out
27
Zero-carbon share78%of generation
Nuclear 15%Hydro 1%Wind 60%Solar 1%

Transfers · Sat 16 Dec

Interconnectors and storage

On Saturday 16 December 2023, Great Britain imported 66 GWh and exported 27 GWh through its interconnectors. The most came from Norway (28 GWh), and the most exports went to France (13 GWh).

All interconnectors

Sat 16 Dec
Imported
66GWh
Exported
27GWh
Net in
39GWh
Average net flow
1.62GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.11GWImporting

In 7.7 GWhOut 5.1 GWh

Denmark

Viking Link

Average0.08GWImporting

In 2.0 GWhOut 0.2 GWh

France

IFA · IFA2 · ElecLink

Average0.32GWImporting

In 20.9 GWhOut 13.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.18GWExporting

In 1.9 GWhOut 6.3 GWh

Netherlands

BritNed

Average0.15GWImporting

In 5.5 GWhOut 2.0 GWh

Norway

North Sea Link

Average1.16GWImporting

In 27.7 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.20GWPumping

Generated 5.7 GWhPumped 10.6 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.