Electricity Live

Great Britain’s electricity on Tuesday 11 December 2018

On Tuesday 11 December, demand averaged 39.0 GW. Renewables supplied 15%.

39.0GW AVERAGEWind4.88 GW12%Hydro0.60 GW1%Biomass2.70 GW7%Solar0.36 GW1%Gas18.34 GW46%Coal3.39 GW9%Imports2.83 GW7%Nuclear6.69 GW17%39.0GW AVERAGE12%46%9%7%17%
Price
£59.36/MWh
Day average £59.36
Demand39.0GW
Generation 37.0Transfers 2.1
Fossil fuels46%
Renewables15%
Other31%
Carbon intensityHigh
307g/kWh
0Day average 307300
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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 Tuesday 11 December 2018, gas supplied 46% of Great Britain’s electricity and nuclear 17%. Demand peaked at 47.0 GW at 16:50. Carbon intensity averaged 307 g/kWh and the price £59.36/MWh. Wind generation peaked at 7.9 GW at 23:35. Solar generation peaked at 2.0 GW at 11:30. Carbon intensity was lowest at 23:00 (221 g/kWh) and highest at 06:30 (354 g/kWh). The wholesale price ranged from £47.70/MWh at 23:30 to £76.83/MWh at 07:30. Gas made 50% 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 0.360.9%Wind 4.8812.3%Gas 18.3446.1%Hydro 0.601.5%Biomass 2.706.8%Nuclear 6.6916.8%Coal 3.398.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 39.0avgGeneration 37.0avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand47.0GW · 16:50
Low 27.7 · 03:55Avg 39.00–60 GW
Made in Great Britain95%of demand
Generation 37.0Transfers 2.1 GW
Net imports54GWh
In
63 Out
8
Zero-carbon share34%of generation
Nuclear 18%Hydro 2%Wind 13%Solar 1%

Transfers · Tue 11 Dec

Interconnectors and storage

On Tuesday 11 December 2018, Great Britain imported 63 GWh and exported 8 GWh through its interconnectors. The most came from France (40 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Tue 11 Dec
Imported
63GWh
Exported
8GWh
Net in
54GWh
Average net flow
2.27GW 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

Average1.66GWImporting

In 39.9 GWhOut 0.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.06GWImporting

In 8.6 GWhOut 7.1 GWh

Netherlands

BritNed

Average0.55GWImporting

In 14.4 GWhOut 1.2 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.19GWPumping

Generated 5.1 GWhPumped 9.6 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.