Electricity Live

Great Britain’s electricity on Friday 20 July 2018

On Friday 20 July, demand averaged 30.6 GW. Renewables supplied 11%.

30.6GW AVERAGEWind1.38 GW4%Hydro0.09 GW0%Biomass2.10 GW7%Solar1.82 GW6%Gas15.04 GW48%Coal0.59 GW2%Imports3.37 GW11%Nuclear6.80 GW22%30.6GW AVERAGE48%11%22%
Price
£55.19/MWh
Day average £55.19
Demand30.6GW
Generation 27.8Transfers 2.8
Fossil fuels48%
Renewables11%
Other39%
Carbon intensityHigh
283g/kWh
0Day average 283300
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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 Friday 20 July 2018, gas supplied 48% of Great Britain’s electricity and nuclear 22%. Demand peaked at 36.9 GW at 11:00. Carbon intensity averaged 283 g/kWh and the price £55.19/MWh. Wind generation peaked at 1.9 GW at 16:05. Solar generation peaked at 5.4 GW at 13:00. Carbon intensity was lowest at 01:30 (250 g/kWh) and highest at 19:30 (308 g/kWh). The wholesale price ranged from £46.58/MWh at 03:00 to £66.04/MWh at 18:00. Gas made 54% 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 1.825.8%Wind 1.384.4%Gas 15.0448.2%Hydro 0.090.3%Biomass 2.106.7%Nuclear 6.8021.8%Coal 0.591.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.6avgGeneration 27.8avgTransfers 2.8avg
The day in figurespeaks, averages, totals
Peak demand36.9GW · 11:00
Low 21.7 · 03:40Avg 30.60–40 GW
Made in Great Britain91%of demand
Generation 27.8Transfers 2.8 GW
Net imports71GWh
In
76 Out
6
Zero-carbon share36%of generation
Nuclear 24%Hydro 0%Wind 5%Solar 7%

Transfers · Fri 20 Jul

Interconnectors and storage

On Friday 20 July 2018, Great Britain imported 76 GWh and exported 6 GWh through its interconnectors. The most came from France (47 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Fri 20 Jul
Imported
76GWh
Exported
6GWh
Net in
71GWh
Average net flow
2.95GW 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

Average1.96GWImporting

In 47.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.03GWImporting

In 6.2 GWhOut 5.6 GWh

Netherlands

BritNed

Average0.96GWImporting

In 23.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.16GWPumping

Generated 4.6 GWhPumped 8.5 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.