Electricity Live

Great Britain’s electricity on Sunday 31 December 2017

On Sunday 31 December, demand averaged 32.1 GW. Renewables supplied 37%.

32.1GW AVERAGEWind11.50 GW35%Hydro0.43 GW1%Biomass0.72 GW2%Solar0.29 GW1%Gas7.89 GW24%Coal1.20 GW4%Imports3.19 GW10%Nuclear7.49 GW23%32.1GW AVERAGE35%24%10%23%
Price
£40.96/MWh
Day average £40.96
Demand32.1GW
Generation 29.5Transfers 2.5
Fossil fuels24%
Renewables37%
Other35%
Carbon intensityLow
170g/kWh
0Day average 170300
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 Sunday 31 December 2017, wind supplied 35% of Great Britain’s electricity and gas 24%. Demand peaked at 41.1 GW at 17:20. Carbon intensity averaged 170 g/kWh and the price £40.96/MWh. Wind generation peaked at 13.5 GW at 12:20. Solar generation peaked at 1.8 GW at 12:00. Carbon intensity was lowest at 08:00 (124 g/kWh) and highest at 17:00 (239 g/kWh). The wholesale price ranged from −£19.02/MWh at 05:30 to £98.87/MWh at 18:00. The price was below zero for 3 hours. Wind made 39% of the electricity generated in Great Britain, compared with 16% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.290.9%Wind 11.5035.1%Gas 7.8924.1%Hydro 0.431.3%Biomass 0.722.2%Nuclear 7.4922.9%Coal 1.203.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.1avgGeneration 29.5avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand41.1GW · 17:20
Low 22.9 · 04:55Avg 32.10–60 GW
Made in Great Britain92%of demand
Generation 29.5Transfers 2.5 GW
Net imports66GWh
In
67 Out
1
Zero-carbon share67%of generation
Nuclear 25%Hydro 1%Wind 39%Solar 1%

Transfers · Sun 31 Dec

Interconnectors and storage

On Sunday 31 December 2017, Great Britain imported 67 GWh and exported 1 GWh through its interconnectors. The most came from France (40 GWh).

All interconnectors

Sun 31 Dec
Imported
67GWh
Exported
1GWh
Net in
66GWh
Average net flow
2.77GW 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

Average1.66GWImporting

In 39.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.31GWImporting

In 8.5 GWhOut 1.0 GWh

Netherlands

BritNed

Average0.80GWImporting

In 19.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.25GWPumping

Generated 9.2 GWhPumped 15.3 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.