Electricity Live

Great Britain’s electricity on Wednesday 18 October 2017

On Wednesday 18 October, demand averaged 33.5 GW. Renewables supplied 9%.

33.5GW AVERAGEWind2.34 GW7%Hydro0.55 GW2%Solar0.27 GW1%Gas19.51 GW56%Coal3.50 GW10%Imports1.68 GW5%Nuclear7.14 GW20%33.5GW AVERAGE56%10%20%
Price
£56.98/MWh
Day average £56.98
Demand33.5GW
Generation 33.3Transfers 0.2
Fossil fuels56%
Renewables9%
Other25%
Carbon intensityHigh
359g/kWh
0Day average 359300
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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 Wednesday 18 October 2017, gas supplied 56% of Great Britain’s electricity and nuclear 20%. Demand peaked at 42.8 GW at 18:35. Carbon intensity averaged 359 g/kWh and the price £56.98/MWh. Wind generation peaked at 4.4 GW at 21:25. Solar generation peaked at 1.1 GW at 11:30. Carbon intensity was lowest at 03:00 (278 g/kWh) and highest at 13:30 (414 g/kWh). The wholesale price ranged from £36.86/MWh at 04:30 to £87.26/MWh at 18:30. Gas made 59% 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 0.270.8%Wind 2.346.7%Gas 19.5155.7%Hydro 0.551.6%Biomass 0.000.0%Nuclear 7.1420.4%Coal 3.5010.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 33.5avgGeneration 33.3avgTransfers 0.2avg
The day in figurespeaks, averages, totals
Peak demand42.8GW · 18:35
Low 22.3 · 03:55Avg 33.50–60 GW
Made in Great Britain100%of demand
Generation 33.3Transfers 0.2 GW
Net imports3GWh
In
29 Out
26
Zero-carbon share31%of generation
Nuclear 21%Hydro 2%Wind 7%Solar 1%

Transfers · Wed 18 Oct

Interconnectors and storage

On Wednesday 18 October 2017, Great Britain imported 29 GWh and exported 26 GWh through its interconnectors. The most came from France (13 GWh), and the most exports went to France (18 GWh).

All interconnectors

Wed 18 Oct
Imported
29GWh
Exported
26GWh
Net in
3GWh
Average net flow
0.12GW 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

Average0.20GWExporting

In 12.9 GWhOut 17.6 GWh

Ireland

Moyle · East–West · Greenlink

Average0.13GWExporting

In 4.6 GWhOut 7.6 GWh

Netherlands

BritNed

Average0.44GWImporting

In 11.4 GWhOut 0.8 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.03GWGenerating

Generated 11.5 GWhPumped 10.8 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.