Electricity Live

Great Britain’s electricity on Saturday 23 December 2017

On Saturday 23 December, demand averaged 32.8 GW. Renewables supplied 33%.

32.8GW AVERAGEWind10.32 GW31%Hydro0.43 GW1%Biomass0.76 GW2%Solar0.23 GW1%Gas10.96 GW33%Coal0.38 GW1%Imports3.10 GW9%Nuclear7.28 GW22%32.8GW AVERAGE31%33%9%22%
Price
£49.66/MWh
Day average £49.66
Demand32.8GW
Generation 30.3Transfers 2.5
Fossil fuels33%
Renewables33%
Other33%
Carbon intensityLow
180g/kWh
0Day average 180300
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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 23 December 2017, gas supplied 33% of Great Britain’s electricity and wind 31%. Demand peaked at 41.4 GW at 17:25. Carbon intensity averaged 180 g/kWh and the price £49.66/MWh. Wind generation peaked at 12.0 GW at 18:05. Solar generation peaked at 1.4 GW at 12:00. Carbon intensity was lowest at 23:30 (120 g/kWh) and highest at 16:30 (222 g/kWh). The wholesale price ranged from £41.35/MWh at 07:00 to £63.25/MWh at 17:00. Gas made 36% 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 0.230.7%Wind 10.3230.8%Gas 10.9632.8%Hydro 0.431.3%Biomass 0.762.3%Nuclear 7.2821.8%Coal 0.381.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.8avgGeneration 30.3avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand41.4GW · 17:25
Low 23.9 · 04:25Avg 32.80–60 GW
Made in Great Britain92%of demand
Generation 30.3Transfers 2.5 GW
Net imports64GWh
In
68 Out
4
Zero-carbon share60%of generation
Nuclear 24%Hydro 1%Wind 34%Solar 1%

Transfers · Sat 23 Dec

Interconnectors and storage

On Saturday 23 December 2017, Great Britain imported 68 GWh and exported 4 GWh through its interconnectors. The most came from France (41 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Sat 23 Dec
Imported
68GWh
Exported
4GWh
Net in
64GWh
Average net flow
2.65GW 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

Average1.71GWImporting

In 41.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.08GWImporting

In 5.9 GWhOut 3.9 GWh

Netherlands

BritNed

Average0.86GWImporting

In 20.6 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 6.9 GWhPumped 10.7 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.