Electricity Live

Great Britain’s electricity on Tuesday 12 December 2017

On Tuesday 12 December, demand averaged 43.2 GW. Renewables supplied 15%.

43.2GW AVERAGEWind5.47 GW12%Hydro0.48 GW1%Biomass2.00 GW5%Solar0.52 GW1%Gas18.69 GW42%Coal9.33 GW21%Imports1.91 GW4%Nuclear5.81 GW13%43.2GW AVERAGE12%42%21%13%
Price
£76.42/MWh
Day average £76.42
Demand43.2GW
Generation 42.3Transfers 0.8
Fossil fuels42%
Renewables15%
Other22%
Carbon intensityVery high
426g/kWh
0Day average 426300
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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 Tuesday 12 December 2017, gas supplied 42% of Great Britain’s electricity and coal 21%. Demand peaked at 51.2 GW at 16:40. Carbon intensity averaged 426 g/kWh and the price £76.42/MWh. Wind generation peaked at 10.4 GW at 21:40. Solar generation peaked at 2.8 GW at 11:00. Carbon intensity was lowest at 23:00 (363 g/kWh) and highest at 05:30 (482 g/kWh). The wholesale price ranged from £50.84/MWh at 02:00 to £136.75/MWh at 08:00. Gas made 44% of the electricity generated in Great Britain, compared with 43% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.521.2%Wind 5.4712.4%Gas 18.6942.3%Hydro 0.481.1%Biomass 2.004.5%Nuclear 5.8113.1%Coal 9.3321.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 43.2avgGeneration 42.3avgTransfers 0.8avg
The day in figurespeaks, averages, totals
Peak demand51.2GW · 16:40
Low 31.2 · 04:20Avg 43.20–60 GW
Made in Great Britain98%of demand
Generation 42.3Transfers 0.8 GW
Net imports21GWh
In
36 Out
15
Zero-carbon share29%of generation
Nuclear 14%Hydro 1%Wind 13%Solar 1%

Transfers · Tue 12 Dec

Interconnectors and storage

On Tuesday 12 December 2017, Great Britain imported 36 GWh and exported 15 GWh through its interconnectors. The most came from Netherlands (22 GWh), and the most exports went to France (10 GWh).

All interconnectors

Tue 12 Dec
Imported
36GWh
Exported
15GWh
Net in
21GWh
Average net flow
0.86GW 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

Average0.03GWExporting

In 9.5 GWhOut 10.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.03GWExporting

In 4.5 GWhOut 5.2 GWh

Netherlands

BritNed

Average0.92GWImporting

In 22.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWPumping

Generated 9.6 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.