Electricity Live

Great Britain’s electricity on Saturday 21 July 2018

On Saturday 21 July, demand averaged 27.4 GW. Renewables supplied 11%.

27.4GW AVERAGEWind0.99 GW4%Hydro0.09 GW0%Biomass0.97 GW4%Solar2.06 GW7%Gas13.04 GW47%Coal0.20 GW1%Imports3.33 GW12%Nuclear7.05 GW25%27.4GW AVERAGE7%47%12%25%
Price
£56.55/MWh
Day average £56.55
Demand27.4GW
Generation 24.4Transfers 3.0
Fossil fuels47%
Renewables11%
Other41%
Carbon intensityModerate
271g/kWh
0Day average 271300
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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 July 2018, gas supplied 47% of Great Britain’s electricity and nuclear 25%. Demand peaked at 32.3 GW at 12:35. Carbon intensity averaged 271 g/kWh and the price £56.55/MWh. Wind generation peaked at 2.0 GW at 23:45. Solar generation peaked at 6.0 GW at 12:30. Carbon intensity was lowest at 23:30 (233 g/kWh) and highest at 08:30 (287 g/kWh). The wholesale price ranged from £46.51/MWh at 02:30 to £75.22/MWh at 09:30. Gas made 53% 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 2.067.4%Wind 0.993.6%Gas 13.0447.0%Hydro 0.090.3%Biomass 0.973.5%Nuclear 7.0525.4%Coal 0.200.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 27.4avgGeneration 24.4avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand32.3GW · 12:35
Low 20.7 · 04:55Avg 27.40–40 GW
Made in Great Britain89%of demand
Generation 24.4Transfers 3.0 GW
Net imports75GWh
In
76 Out
1
Zero-carbon share42%of generation
Nuclear 29%Hydro 0%Wind 4%Solar 8%

Transfers · Sat 21 Jul

Interconnectors and storage

On Saturday 21 July 2018, Great Britain imported 76 GWh and exported 1 GWh through its interconnectors. The most came from France (44 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Sat 21 Jul
Imported
76GWh
Exported
1GWh
Net in
75GWh
Average net flow
3.11GW 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

Average1.83GWImporting

In 43.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.30GWImporting

In 8.3 GWhOut 1.2 GWh

Netherlands

BritNed

Average0.98GWImporting

In 23.6 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 4.3 GWhPumped 6.6 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.