Electricity Live

Great Britain’s electricity on Saturday 21 October 2017

On Saturday 21 October, demand averaged 29.7 GW. Renewables supplied 37%.

29.7GW AVERAGEWind9.74 GW32%Hydro0.58 GW2%Solar0.72 GW2%Gas8.83 GW29%Coal0.52 GW2%Imports2.93 GW10%Nuclear6.88 GW23%29.7GW AVERAGE32%29%10%23%
Price
£43.01/MWh
Day average £43.01
Demand29.7GW
Generation 27.3Transfers 2.4
Fossil fuels29%
Renewables37%
Other32%
Carbon intensityLow
171g/kWh
0Day average 171300
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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 21 October 2017, wind supplied 32% of Great Britain’s electricity and gas 29%. Demand peaked at 38.4 GW at 18:25. Carbon intensity averaged 171 g/kWh and the price £43.01/MWh. Wind generation peaked at 11.3 GW at 11:50. Solar generation peaked at 2.9 GW at 12:00. Carbon intensity was lowest at 07:30 (146 g/kWh) and highest at 17:30 (234 g/kWh). The wholesale price ranged from £16.05/MWh at 05:30 to £82.18/MWh at 18:30. Wind made 36% 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 0.722.4%Wind 9.7432.3%Gas 8.8329.3%Hydro 0.581.9%Biomass 0.000.0%Nuclear 6.8822.8%Coal 0.521.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 29.7avgGeneration 27.3avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand38.4GW · 18:25
Low 21.2 · 04:25Avg 29.70–40 GW
Made in Great Britain92%of demand
Generation 27.3Transfers 2.4 GW
Net imports62GWh
In
63 Out
1
Zero-carbon share66%of generation
Nuclear 25%Hydro 2%Wind 36%Solar 3%

Transfers · Sat 21 Oct

Interconnectors and storage

On Saturday 21 October 2017, Great Britain imported 63 GWh and exported 1 GWh through its interconnectors. The most came from France (36 GWh).

All interconnectors

Sat 21 Oct
Imported
63GWh
Exported
1GWh
Net in
62GWh
Average net flow
2.59GW 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

Average1.52GWImporting

In 36.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.39GWImporting

In 10.2 GWhOut 0.9 GWh

Netherlands

BritNed

Average0.68GWImporting

In 16.4 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 7.2 GWhPumped 11.1 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.