Electricity Live

Great Britain’s electricity on Tuesday 19 December 2017

On Tuesday 19 December, demand averaged 40.9 GW. Renewables supplied 14%.

40.9GW AVERAGEWind4.78 GW11%Hydro0.54 GW1%Biomass1.60 GW4%Solar0.41 GW1%Gas19.60 GW46%Coal7.29 GW17%Imports1.45 GW3%Nuclear6.69 GW16%40.9GW AVERAGE11%46%17%16%
Price
£53.97/MWh
Day average £53.97
Demand40.9GW
Generation 40.9Transfers 0.0
Fossil fuels46%
Renewables14%
Other23%
Carbon intensityVery high
404g/kWh
0Day average 404300
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 Tuesday 19 December 2017, gas supplied 46% of Great Britain’s electricity and coal 17%. Demand peaked at 49.6 GW at 17:00. Carbon intensity averaged 404 g/kWh and the price £53.97/MWh. Wind generation peaked at 7.1 GW at 23:45. Solar generation peaked at 2.4 GW at 11:30. Carbon intensity was lowest at 23:30 (288 g/kWh) and highest at 08:30 (448 g/kWh). The wholesale price ranged from £36.48/MWh at 23:30 to £65.51/MWh at 16:30. Gas made 48% 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 0.411.0%Wind 4.7811.3%Gas 19.6046.3%Hydro 0.541.3%Biomass 1.603.8%Nuclear 6.6915.8%Coal 7.2917.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 40.9avgGeneration 40.9avgTransfers 0.0avg
The day in figurespeaks, averages, totals
Peak demand49.6GW · 17:00
Low 29.5 · 04:25Avg 40.90–60 GW
Made in Great Britain100%of demand
Generation 40.9Transfers 0.0 GW
Net imports5GWh
In
29 Out
24
Zero-carbon share30%of generation
Nuclear 16%Hydro 1%Wind 12%Solar 1%

Transfers · Tue 19 Dec

Interconnectors and storage

On Tuesday 19 December 2017, Great Britain imported 29 GWh and exported 24 GWh through its interconnectors. The most came from Netherlands (13 GWh), and the most exports went to France (13 GWh).

All interconnectors

Tue 19 Dec
Imported
29GWh
Exported
24GWh
Net in
5GWh
Average net flow
0.20GW 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

Average0.09GWExporting

In 10.6 GWhOut 12.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.02GWExporting

In 4.8 GWhOut 5.4 GWh

Netherlands

BritNed

Average0.32GWImporting

In 13.3 GWhOut 5.6 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.22GWPumping

Generated 6.1 GWhPumped 11.4 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.