Electricity Live

Great Britain’s electricity on Wednesday 18 July 2018

On Wednesday 18 July, demand averaged 31.4 GW. Renewables supplied 9%.

31.4GW AVERAGEWind0.78 GW2%Hydro0.11 GW0%Biomass2.11 GW7%Solar1.93 GW6%Gas16.33 GW51%Coal0.67 GW2%Imports3.35 GW11%Nuclear6.62 GW21%31.4GW AVERAGE51%11%21%
Price
£60.28/MWh
Day average £60.28
Demand31.4GW
Generation 28.6Transfers 2.8
Fossil fuels51%
Renewables9%
Other38%
Carbon intensityHigh
298g/kWh
0Day average 298300
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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 July 2018, gas supplied 51% of Great Britain’s electricity and nuclear 21%. Demand peaked at 37.4 GW at 10:55. Carbon intensity averaged 298 g/kWh and the price £60.28/MWh. Wind generation peaked at 1.3 GW at 00:00. Solar generation peaked at 5.5 GW at 10:30. Carbon intensity was lowest at 00:00 (252 g/kWh) and highest at 12:30 (328 g/kWh). The wholesale price ranged from £49.26/MWh at 01:30 to £73.96/MWh at 18:00. Gas made 57% 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 1.936.0%Wind 0.782.5%Gas 16.3351.2%Hydro 0.110.4%Biomass 2.116.6%Nuclear 6.6220.8%Coal 0.672.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.4avgGeneration 28.6avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand37.4GW · 10:55
Low 22.0 · 04:55Avg 31.40–40 GW
Made in Great Britain91%of demand
Generation 28.6Transfers 2.8 GW
Net imports69GWh
In
74 Out
5
Zero-carbon share33%of generation
Nuclear 23%Hydro 0%Wind 3%Solar 7%

Transfers · Wed 18 Jul

Interconnectors and storage

On Wednesday 18 July 2018, Great Britain imported 74 GWh and exported 5 GWh through its interconnectors. The most came from France (45 GWh), and the most exports went to Ireland (5 GWh).

All interconnectors

Wed 18 Jul
Imported
74GWh
Exported
5GWh
Net in
69GWh
Average net flow
2.89GW 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

Average1.89GWImporting

In 45.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.05GWImporting

In 6.1 GWhOut 4.8 GWh

Netherlands

BritNed

Average0.95GWImporting

In 22.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 6.2 GWhPumped 8.6 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.