Electricity Live

Great Britain’s electricity on Saturday 8 December 2018

On Saturday 8 December, demand averaged 34.0 GW. Renewables supplied 40%.

34.0GW AVERAGEWind13.00 GW37%Hydro0.65 GW2%Biomass1.60 GW5%Solar0.30 GW1%Gas8.81 GW25%Coal0.57 GW2%Imports2.91 GW8%Nuclear6.87 GW20%34.0GW AVERAGE37%25%8%20%
Price
£42.84/MWh
Day average £42.84
Demand34.0GW
Generation 31.8Transfers 2.2
Fossil fuels25%
Renewables40%
Other33%
Carbon intensityLow
150g/kWh
0Day average 150300
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Recorded half-hourRecorded 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 8 December 2018, wind supplied 37% of Great Britain’s electricity and gas 25%. Demand peaked at 42.5 GW at 17:15. Carbon intensity averaged 150 g/kWh and the price £42.84/MWh. Wind generation peaked at 14.9 GW at 10:20. Solar generation peaked at 1.9 GW at 10:30. Carbon intensity was lowest at 04:00 (99 g/kWh) and highest at 16:30 (230 g/kWh). The wholesale price ranged from −£8.69/MWh at 00:00 to £74.46/MWh at 17:30. The price was below zero for 4 hours. Wind made 41% of the electricity generated in Great Britain, compared with 19% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.300.9%Wind 13.0037.4%Gas 8.8125.4%Hydro 0.651.9%Biomass 1.604.6%Nuclear 6.8719.8%Coal 0.571.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 34.0avgGeneration 31.8avgTransfers 2.2avg
The day in figurespeaks, averages, totals
Peak demand42.5GW · 17:15
Low 25.1 · 04:55Avg 34.00–60 GW
Made in Great Britain94%of demand
Generation 31.8Transfers 2.2 GW
Net imports55GWh
In
62 Out
7
Zero-carbon share65%of generation
Nuclear 22%Hydro 2%Wind 41%Solar 1%

Transfers · Sat 8 Dec

Interconnectors and storage

On Saturday 8 December 2018, Great Britain imported 62 GWh and exported 7 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Sat 8 Dec
Imported
62GWh
Exported
7GWh
Net in
55GWh
Average net flow
2.30GW 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

Average1.71GWImporting

In 41.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.02GWImporting

In 4.6 GWhOut 4.0 GWh

Netherlands

BritNed

Average0.57GWImporting

In 16.3 GWhOut 2.6 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 8.0 GWhPumped 10.3 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.