Electricity Live

Great Britain’s electricity on Wednesday 15 August 2018

On Wednesday 15 August, demand averaged 30.6 GW. Renewables supplied 31%.

30.6GW AVERAGEWind8.20 GW26%Hydro0.17 GW1%Biomass2.14 GW7%Solar1.36 GW4%Gas9.07 GW29%Imports3.09 GW10%Nuclear7.10 GW23%30.6GW AVERAGE26%29%10%23%
Price
£59.30/MWh
Day average £59.30
Demand30.6GW
Generation 28.0Transfers 2.5
Fossil fuels29%
Renewables31%
Other40%
Carbon intensityLow
169g/kWh
0Day average 169300
Save as image
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 15 August 2018, gas supplied 29% of Great Britain’s electricity and wind 26%. Demand peaked at 36.6 GW at 12:30. Carbon intensity averaged 169 g/kWh and the price £59.30/MWh. Wind generation peaked at 10.2 GW at 15:55. Solar generation peaked at 4.5 GW at 14:00. Carbon intensity was lowest at 23:30 (124 g/kWh) and highest at 09:00 (195 g/kWh). The wholesale price ranged from £46.14/MWh at 03:30 to £76.37/MWh at 09:30. Gas made 32% 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 1.364.4%Wind 8.2026.3%Gas 9.0729.2%Hydro 0.170.5%Biomass 2.146.9%Nuclear 7.1022.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.6avgGeneration 28.0avgTransfers 2.5avg
The day in figurespeaks, averages, totals
Peak demand36.6GW · 12:30
Low 21.3 · 03:55Avg 30.60–40 GW
Made in Great Britain92%of demand
Generation 28.0Transfers 2.5 GW
Net imports67GWh
In
70 Out
3
Zero-carbon share60%of generation
Nuclear 25%Hydro 1%Wind 29%Solar 5%

Transfers · Wed 15 Aug

Interconnectors and storage

On Wednesday 15 August 2018, Great Britain imported 70 GWh and exported 3 GWh through its interconnectors. The most came from France (45 GWh), and the most exports went to Ireland (3 GWh).

All interconnectors

Wed 15 Aug
Imported
70GWh
Exported
3GWh
Net in
67GWh
Average net flow
2.81GW 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

Average0.10GWImporting

In 5.2 GWhOut 2.8 GWh

Netherlands

BritNed

Average0.85GWImporting

In 20.4 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.26GWPumping

Generated 3.9 GWhPumped 10.2 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.