Electricity Live

Great Britain’s electricity on Tuesday 31 July 2018

On Tuesday 31 July, demand averaged 30.3 GW. Renewables supplied 26%.

30.3GW AVERAGEWind5.47 GW18%Hydro0.11 GW0%Biomass2.05 GW7%Solar2.50 GW8%Gas9.55 GW31%Imports3.12 GW10%Nuclear7.89 GW26%30.3GW AVERAGE18%8%31%10%26%
Price
£51.60/MWh
Day average £51.60
Demand30.3GW
Generation 27.6Transfers 2.7
Fossil fuels31%
Renewables26%
Other43%
Carbon intensityModerate
187g/kWh
0Day average 187300
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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 Tuesday 31 July 2018, gas supplied 31% of Great Britain’s electricity and nuclear 26%. Demand peaked at 36.5 GW at 12:20. Carbon intensity averaged 187 g/kWh and the price £51.60/MWh. Wind generation peaked at 7.5 GW at 16:50. Solar generation peaked at 7.3 GW at 12:00. Carbon intensity was lowest at 01:30 (172 g/kWh) and highest at 20:00 (207 g/kWh). The wholesale price ranged from £43.18/MWh at 03:30 to £73.30/MWh at 08:30. Gas made 35% of the electricity generated in Great Britain, compared with 42% across 2018.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.508.1%Wind 5.4717.8%Gas 9.5531.1%Hydro 0.110.4%Biomass 2.056.7%Nuclear 7.8925.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.3avgGeneration 27.6avgTransfers 2.7avg
The day in figurespeaks, averages, totals
Peak demand36.5GW · 12:20
Low 21.1 · 04:20Avg 30.30–40 GW
Made in Great Britain91%of demand
Generation 27.6Transfers 2.7 GW
Net imports71GWh
In
71 Out
0
Zero-carbon share58%of generation
Nuclear 29%Hydro 0%Wind 20%Solar 9%

Transfers · Tue 31 Jul

Interconnectors and storage

On Tuesday 31 July 2018, Great Britain imported 71 GWh and exported 0 GWh through its interconnectors. The most came from France (45 GWh).

All interconnectors

Tue 31 Jul
Imported
71GWh
Exported
0GWh
Net in
71GWh
Average net flow
2.97GW 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

Average1.86GWImporting

In 44.6 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.28GWImporting

In 6.6 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.83GWImporting

In 20.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWPumping

Generated 3.6 GWhPumped 9.5 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.