Electricity Live

Great Britain’s electricity on Saturday 9 December 2023

On Saturday 9 December, demand averaged 32.4 GW. Renewables supplied 56%.

32.4GW AVERAGEWind17.85 GW54%Hydro0.33 GW1%Biomass1.47 GW4%Solar0.26 GW1%Gas3.35 GW10%Coal0.42 GW1%Imports4.51 GW14%Nuclear4.71 GW14%32.4GW AVERAGE54%10%14%14%
Price
£58.25/MWh
Day average £58.25
Demand32.4GW
Generation 28.4Transfers 4.0
Fossil fuels10%
Renewables56%
Other32%
Carbon intensityLow
62g/kWh
0Day average 62300
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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 9 December 2023, wind supplied 54% of Great Britain’s electricity and nuclear 14%. Demand peaked at 40.2 GW at 17:35. Carbon intensity averaged 62 g/kWh and the price £58.25/MWh. Wind generation peaked at 19.3 GW at 11:05. Solar generation peaked at 1.8 GW at 13:00. Carbon intensity was lowest at 07:00 (38 g/kWh) and highest at 16:00 (101 g/kWh). The wholesale price ranged from £31.08/MWh at 23:30 to £82.06/MWh at 16:30. Wind made 63% 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 0.260.8%Wind 17.8554.3%Gas 3.3510.2%Hydro 0.331.0%Biomass 1.474.5%Nuclear 4.7114.3%Coal 0.421.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.4avgGeneration 28.4avgTransfers 4.0avg
The day in figurespeaks, averages, totals
Peak demand40.2GW · 17:35
Low 24.3 · 05:15Avg 32.40–60 GW
Made in Great Britain88%of demand
Generation 28.4Transfers 4.0 GW
Net imports101GWh
In
105 Out
5
Zero-carbon share82%of generation
Nuclear 17%Hydro 1%Wind 63%Solar 1%

Transfers · Sat 9 Dec

Interconnectors and storage

On Saturday 9 December 2023, Great Britain imported 105 GWh and exported 5 GWh through its interconnectors. The most came from France (54 GWh), and the most exports went to Ireland (2 GWh).

All interconnectors

Sat 9 Dec
Imported
105GWh
Exported
5GWh
Net in
101GWh
Average net flow
4.19GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.70GWImporting

In 16.9 GWhOut 0.2 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average2.23GWImporting

In 53.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.06GWImporting

In 3.8 GWhOut 2.5 GWh

Netherlands

BritNed

Average0.29GWImporting

In 8.9 GWhOut 2.0 GWh

Norway

North Sea Link

Average0.91GWImporting

In 22.2 GWhOut 0.3 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.23GWPumping

Generated 2.8 GWhPumped 8.3 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.