Electricity Live

Great Britain’s electricity on Saturday 15 December 2018

On Saturday 15 December, demand averaged 38.0 GW. Renewables supplied 38%.

38.0GW AVERAGEWind13.90 GW36%Hydro0.50 GW1%Biomass2.07 GW5%Solar0.06 GW0%Gas11.37 GW30%Coal1.21 GW3%Imports3.01 GW8%Nuclear6.33 GW16%38.0GW AVERAGE36%30%8%16%
Price
£61.78/MWh
Day average £61.78
Demand38.0GW
Generation 35.4Transfers 2.5
Fossil fuels30%
Renewables38%
Other30%
Carbon intensityModerate
187g/kWh
0Day average 187300
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 Saturday 15 December 2018, wind supplied 36% of Great Britain’s electricity and gas 30%. Demand peaked at 47.5 GW at 17:15. Carbon intensity averaged 187 g/kWh and the price £61.78/MWh. Wind generation peaked at 16.3 GW at 11:50. Carbon intensity was lowest at 04:30 (141 g/kWh) and highest at 17:00 (234 g/kWh). The wholesale price ranged from £36.20/MWh at 05:00 to £87.24/MWh at 17:30. Wind made 39% 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 0.060.1%Wind 13.9036.1%Gas 11.3729.6%Hydro 0.501.3%Biomass 2.075.4%Nuclear 6.3316.5%Coal 1.213.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.0avgGeneration 35.4avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand47.5GW · 17:15
Low 27.7 · 04:50Avg 38.00–60 GW
Made in Great Britain93%of demand
Generation 35.4Transfers 2.5 GW
Net imports62GWh
In
65 Out
3
Zero-carbon share59%of generation
Nuclear 18%Hydro 1%Wind 39%Solar 0%

Transfers · Sat 15 Dec

Interconnectors and storage

On Saturday 15 December 2018, Great Britain imported 65 GWh and exported 3 GWh through its interconnectors. The most came from France (39 GWh), and the most exports went to Ireland (2 GWh).

All interconnectors

Sat 15 Dec
Imported
65GWh
Exported
3GWh
Net in
62GWh
Average net flow
2.59GW 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

Average1.62GWImporting

In 39.5 GWhOut 0.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.14GWImporting

In 5.5 GWhOut 2.1 GWh

Netherlands

BritNed

Average0.83GWImporting

In 20.0 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 7.4 GWhPumped 8.5 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.