Electricity Live

Great Britain’s electricity on Wednesday 12 December 2018

On Wednesday 12 December, demand averaged 38.8 GW. Renewables supplied 28%.

38.8GW AVERAGEWind10.38 GW26%Hydro0.52 GW1%Biomass2.07 GW5%Solar0.27 GW1%Gas15.76 GW39%Coal2.79 GW7%Imports1.57 GW4%Nuclear6.60 GW17%38.8GW AVERAGE26%39%17%
Price
£59.93/MWh
Day average £59.93
Demand38.8GW
Generation 38.4Transfers 0.4
Fossil fuels39%
Renewables28%
Other26%
Carbon intensityHigh
259g/kWh
0Day average 259300
Save as image
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 Wednesday 12 December 2018, gas supplied 39% of Great Britain’s electricity and wind 26%. Demand peaked at 47.4 GW at 17:30. Carbon intensity averaged 259 g/kWh and the price £59.93/MWh. Wind generation peaked at 14.2 GW at 23:30. Solar generation peaked at 1.5 GW at 11:30. Carbon intensity was lowest at 23:00 (128 g/kWh) and highest at 09:00 (323 g/kWh). The wholesale price ranged from £46.45/MWh at 05:30 to £75.58/MWh at 16:30. Gas made 41% 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 0.270.7%Wind 10.3826.0%Gas 15.7639.4%Hydro 0.521.3%Biomass 2.075.2%Nuclear 6.6016.5%Coal 2.797.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.8avgGeneration 38.4avgTransfers 0.4avg
The day in figurespeaks, averages, totals
Peak demand47.4GW · 17:30
Low 26.7 · 03:55Avg 38.80–60 GW
Made in Great Britain99%of demand
Generation 38.4Transfers 0.4 GW
Net imports14GWh
In
34 Out
20
Zero-carbon share46%of generation
Nuclear 17%Hydro 1%Wind 27%Solar 1%

Transfers · Wed 12 Dec

Interconnectors and storage

On Wednesday 12 December 2018, Great Britain imported 34 GWh and exported 20 GWh through its interconnectors. The most came from France (21 GWh), and the most exports went to Ireland (12 GWh).

All interconnectors

Wed 12 Dec
Imported
34GWh
Exported
20GWh
Net in
14GWh
Average net flow
0.59GW 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

Average0.84GWImporting

In 20.7 GWhOut 0.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.34GWExporting

In 3.7 GWhOut 11.8 GWh

Netherlands

BritNed

Average0.09GWImporting

In 9.6 GWhOut 7.5 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 3.7 GWhPumped 7.6 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.