Electricity Live

Great Britain’s electricity on Wednesday 22 August 2018

On Wednesday 22 August, demand averaged 31.1 GW. Renewables supplied 21%.

31.1GW AVERAGEWind5.20 GW16%Hydro0.25 GW1%Biomass1.93 GW6%Solar1.17 GW4%Gas12.64 GW40%Coal0.80 GW3%Imports2.36 GW7%Nuclear7.40 GW23%31.1GW AVERAGE16%40%7%23%
Price
£63.19/MWh
Day average £63.19
Demand31.1GW
Generation 29.4Transfers 1.7
Fossil fuels40%
Renewables21%
Other37%
Carbon intensityModerate
230g/kWh
0Day average 230300
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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 22 August 2018, gas supplied 40% of Great Britain’s electricity and nuclear 23%. Demand peaked at 37.5 GW at 17:25. Carbon intensity averaged 230 g/kWh and the price £63.19/MWh. Wind generation peaked at 6.6 GW at 01:45. Solar generation peaked at 3.4 GW at 14:00. Carbon intensity was lowest at 04:00 (161 g/kWh) and highest at 21:00 (285 g/kWh). The wholesale price ranged from £35.73/MWh at 03:30 to £80.31/MWh at 09:00. Gas made 43% 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 1.173.7%Wind 5.2016.4%Gas 12.6439.8%Hydro 0.250.8%Biomass 1.936.1%Nuclear 7.4023.3%Coal 0.802.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.1avgGeneration 29.4avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand37.5GW · 17:25
Low 21.7 · 03:10Avg 31.10–40 GW
Made in Great Britain95%of demand
Generation 29.4Transfers 1.7 GW
Net imports44GWh
In
50 Out
6
Zero-carbon share48%of generation
Nuclear 25%Hydro 1%Wind 18%Solar 4%

Transfers · Wed 22 Aug

Interconnectors and storage

On Wednesday 22 August 2018, Great Britain imported 50 GWh and exported 6 GWh through its interconnectors. The most came from France (37 GWh), and the most exports went to Ireland (5 GWh).

All interconnectors

Wed 22 Aug
Imported
50GWh
Exported
6GWh
Net in
44GWh
Average net flow
1.85GW 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

Average1.51GWImporting

In 36.6 GWhOut 0.3 GWh

Ireland

Moyle · East–West · Greenlink

Average0.05GWImporting

In 6.1 GWhOut 4.9 GWh

Netherlands

BritNed

Average0.29GWImporting

In 7.6 GWhOut 0.8 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.17GWPumping

Generated 6.4 GWhPumped 10.4 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.