Electricity Live

Great Britain’s electricity on Saturday 4 January 2020

On Saturday 4 January, demand averaged 33.1 GW. Renewables supplied 37%.

33.1GW AVERAGEWind11.39 GW34%Hydro0.66 GW2%Biomass2.04 GW6%Solar0.39 GW1%Gas7.79 GW23%Coal1.85 GW5%Imports2.99 GW9%Nuclear6.80 GW20%33.1GW AVERAGE34%23%9%20%
Price
£32.85/MWh
Day average £32.85
Demand33.1GW
Generation 30.9Transfers 2.1
Fossil fuels23%
Renewables37%
Other35%
Carbon intensityLow
179g/kWh
0Day average 179300
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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 4 January 2020, wind supplied 34% of Great Britain’s electricity and gas 23%. Demand peaked at 40.7 GW at 17:30. Carbon intensity averaged 179 g/kWh and the price £32.85/MWh. Wind generation peaked at 14.7 GW at 01:30. Solar generation peaked at 2.6 GW at 12:00. Carbon intensity was lowest at 00:00 (124 g/kWh) and highest at 17:00 (249 g/kWh). The wholesale price ranged from £6.85/MWh at 07:00 to £84.75/MWh at 17:30. Wind made 37% of the electricity generated in Great Britain, compared with 27% across 2020.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.391.1%Wind 11.3933.6%Gas 7.7923.0%Hydro 0.661.9%Biomass 2.046.0%Nuclear 6.8020.0%Coal 1.855.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.1avgGeneration 30.9avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand40.7GW · 17:30
Low 24.9 · 04:35Avg 33.10–60 GW
Made in Great Britain93%of demand
Generation 30.9Transfers 2.1 GW
Net imports53GWh
In
66 Out
13
Zero-carbon share62%of generation
Nuclear 22%Hydro 2%Wind 37%Solar 1%

Transfers · Sat 4 Jan

Interconnectors and storage

On Saturday 4 January 2020, Great Britain imported 66 GWh and exported 13 GWh through its interconnectors. The most came from France (31 GWh), and the most exports went to France (10 GWh).

All interconnectors

Sat 4 Jan
Imported
66GWh
Exported
13GWh
Net in
53GWh
Average net flow
2.22GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.70GWImporting

In 17.4 GWhOut 0.5 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.86GWImporting

In 30.9 GWhOut 10.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.04GWImporting

In 2.7 GWhOut 1.8 GWh

Netherlands

BritNed

Average0.62GWImporting

In 15.3 GWhOut 0.3 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.07GWPumping

Generated 5.6 GWhPumped 7.3 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.