Electricity Live

Great Britain’s electricity on Saturday 7 January 2023

On Saturday 7 January, demand averaged 29.3 GW. Renewables supplied 60%.

29.3GW AVERAGEWind17.86 GW57%Hydro0.76 GW2%Biomass0.27 GW1%Solar0.25 GW1%Gas2.90 GW9%Coal0.29 GW1%Imports3.82 GW12%Nuclear5.21 GW17%29.3GW AVERAGE57%9%12%17%
Price
£66.62/MWh
Day average £66.62
Demand29.3GW
Generation 27.5Transfers 1.8
Fossil fuels9%
Renewables60%
Other30%
Carbon intensityLow
64g/kWh
0Day average 64300
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Recorded 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 7 January 2023, wind supplied 57% of Great Britain’s electricity and nuclear 17%. Demand peaked at 37.2 GW at 17:30. Carbon intensity averaged 64 g/kWh and the price £66.62/MWh. Wind generation peaked at 20.5 GW at 23:55. Solar generation peaked at 1.8 GW at 13:00. Carbon intensity was lowest at 01:30 (51 g/kWh) and highest at 09:00 (79 g/kWh). The wholesale price ranged from −£24.08/MWh at 03:30 to £162.80/MWh at 10:00. 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 0.250.8%Wind 17.8657.0%Gas 2.909.2%Hydro 0.762.4%Biomass 0.270.9%Nuclear 5.2116.6%Coal 0.290.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.3avgGeneration 27.5avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand37.2GW · 17:30
Low 21.6 · 04:35Avg 29.30–40 GW
Made in Great Britain94%of demand
Generation 27.5Transfers 1.8 GW
Net imports47GWh
In
83 Out
35
Zero-carbon share87%of generation
Nuclear 19%Hydro 3%Wind 65%Solar 1%

Transfers · Sat 7 Jan

Interconnectors and storage

On Saturday 7 January 2023, Great Britain imported 83 GWh and exported 35 GWh through its interconnectors. The most came from France (36 GWh), and the most exports went to France (10 GWh).

All interconnectors

Sat 7 Jan
Imported
83GWh
Exported
35GWh
Net in
47GWh
Average net flow
1.97GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.29GWImporting

In 13.4 GWhOut 6.4 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.10GWImporting

In 36.2 GWhOut 9.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.14GWImporting

In 8.6 GWhOut 5.2 GWh

Netherlands

BritNed

Average0.14GWImporting

In 11.4 GWhOut 8.1 GWh

Norway

North Sea Link

Average0.31GWImporting

In 13.1 GWhOut 5.6 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 9.2 GWhPumped 13.6 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.