Electricity Live

Great Britain’s electricity on Saturday 29 December 2018

On Saturday 29 December, demand averaged 31.5 GW. Renewables supplied 33%.

31.5GW AVERAGEWind9.81 GW30%Hydro0.58 GW2%Biomass1.65 GW5%Solar0.22 GW1%Gas10.25 GW32%Coal0.39 GW1%Imports2.65 GW8%Nuclear6.89 GW21%31.5GW AVERAGE30%32%8%21%
Price
£56.88/MWh
Day average £56.88
Demand31.5GW
Generation 29.8Transfers 1.7
Fossil fuels32%
Renewables33%
Other35%
Carbon intensityLow
172g/kWh
0Day average 172300
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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 29 December 2018, gas supplied 32% of Great Britain’s electricity and wind 30%. Demand peaked at 40.1 GW at 17:20. Carbon intensity averaged 172 g/kWh and the price £56.88/MWh. Wind generation peaked at 14.9 GW at 10:30. Solar generation peaked at 1.3 GW at 12:00. Carbon intensity was lowest at 05:00 (94 g/kWh) and highest at 19:30 (285 g/kWh). The wholesale price ranged from £39.98/MWh at 06:30 to £72.29/MWh at 17:00. Gas made 34% of the electricity generated in Great Britain, compared with 42% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.220.7%Wind 9.8130.2%Gas 10.2531.6%Hydro 0.581.8%Biomass 1.655.1%Nuclear 6.8921.2%Coal 0.391.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.5avgGeneration 29.8avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand40.1GW · 17:20
Low 22.7 · 04:50Avg 31.50–60 GW
Made in Great Britain94%of demand
Generation 29.8Transfers 1.7 GW
Net imports43GWh
In
56 Out
13
Zero-carbon share59%of generation
Nuclear 23%Hydro 2%Wind 33%Solar 1%

Transfers · Sat 29 Dec

Interconnectors and storage

On Saturday 29 December 2018, Great Britain imported 56 GWh and exported 13 GWh through its interconnectors. The most came from France (37 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Sat 29 Dec
Imported
56GWh
Exported
13GWh
Net in
43GWh
Average net flow
1.80GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.51GWImporting

In 37.0 GWhOut 0.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.35GWExporting

In 4.0 GWhOut 12.4 GWh

Netherlands

BritNed

Average0.64GWImporting

In 15.3 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.05GWPumping

Generated 7.5 GWhPumped 8.7 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.