Electricity Live

Great Britain’s electricity on Monday 18 December 2017

On Monday 18 December, demand averaged 40.6 GW. Renewables supplied 12%.

40.6GW AVERAGEWind3.68 GW9%Hydro0.55 GW1%Biomass1.69 GW4%Solar0.74 GW2%Gas19.01 GW45%Coal7.41 GW18%Imports2.06 GW5%Nuclear6.68 GW16%40.6GW AVERAGE9%45%18%16%
Price
£61.79/MWh
Day average £61.79
Demand40.6GW
Generation 39.8Transfers 0.9
Fossil fuels45%
Renewables12%
Other25%
Carbon intensityVery high
401g/kWh
0Day average 401300
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 Monday 18 December 2017, gas supplied 45% of Great Britain’s electricity and coal 18%. Demand peaked at 49.7 GW at 17:00. Carbon intensity averaged 401 g/kWh and the price £61.79/MWh. Wind generation peaked at 6.2 GW at 00:00. Solar generation peaked at 4.0 GW at 12:00. Carbon intensity was lowest at 00:00 (319 g/kWh) and highest at 08:30 (455 g/kWh). The wholesale price ranged from £43.66/MWh at 05:30 to £82.95/MWh at 09:00. 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 0.741.8%Wind 3.688.8%Gas 19.0145.4%Hydro 0.551.3%Biomass 1.694.0%Nuclear 6.6816.0%Coal 7.4117.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 40.6avgGeneration 39.8avgTransfers 0.9avg
The day in figurespeaks, averages, totals
Peak demand49.7GW · 17:00
Low 28.3 · 03:55Avg 40.60–60 GW
Made in Great Britain98%of demand
Generation 39.8Transfers 0.9 GW
Net imports21GWh
In
40 Out
19
Zero-carbon share29%of generation
Nuclear 17%Hydro 1%Wind 9%Solar 2%

Transfers · Mon 18 Dec

Interconnectors and storage

On Monday 18 December 2017, Great Britain imported 40 GWh and exported 19 GWh through its interconnectors. The most came from Netherlands (19 GWh), and the most exports went to Ireland (10 GWh).

All interconnectors

Mon 18 Dec
Imported
40GWh
Exported
19GWh
Net in
21GWh
Average net flow
0.89GW 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

Average0.40GWImporting

In 18.3 GWhOut 8.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.29GWExporting

In 3.2 GWhOut 10.2 GWh

Netherlands

BritNed

Average0.78GWImporting

In 18.8 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 9.3 GWhPumped 10.1 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.