Electricity Live

Great Britain’s electricity on Wednesday 29 August 2018

On Wednesday 29 August, demand averaged 31.1 GW. Renewables supplied 17%.

31.1GW AVERAGEWind3.81 GW12%Hydro0.25 GW1%Biomass2.23 GW7%Solar1.50 GW5%Gas13.26 GW42%Coal1.25 GW4%Imports2.22 GW7%Nuclear7.37 GW23%31.1GW AVERAGE12%7%42%23%
Price
£67.89/MWh
Day average £67.89
Demand31.1GW
Generation 29.7Transfers 1.5
Fossil fuels42%
Renewables17%
Other37%
Carbon intensityModerate
263g/kWh
0Day average 263300
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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 29 August 2018, gas supplied 42% of Great Britain’s electricity and nuclear 23%. Demand peaked at 37.5 GW at 12:30. Carbon intensity averaged 263 g/kWh and the price £67.89/MWh. Wind generation peaked at 5.8 GW at 16:25. Solar generation peaked at 5.1 GW at 14:30. Carbon intensity was lowest at 05:30 (224 g/kWh) and highest at 22:00 (299 g/kWh). The wholesale price ranged from £55.22/MWh at 01:30 to £87.31/MWh at 10:00. Gas made 45% 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 1.504.7%Wind 3.8111.9%Gas 13.2641.6%Hydro 0.250.8%Biomass 2.237.0%Nuclear 7.3723.1%Coal 1.253.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.1avgGeneration 29.7avgTransfers 1.5avg
The day in figurespeaks, averages, totals
Peak demand37.5GW · 12:30
Low 21.5 · 04:00Avg 31.10–40 GW
Made in Great Britain95%of demand
Generation 29.7Transfers 1.5 GW
Net imports38GWh
In
49 Out
10
Zero-carbon share44%of generation
Nuclear 25%Hydro 1%Wind 13%Solar 5%

Transfers · Wed 29 Aug

Interconnectors and storage

On Wednesday 29 August 2018, Great Britain imported 49 GWh and exported 10 GWh through its interconnectors. The most came from France (33 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Wed 29 Aug
Imported
49GWh
Exported
10GWh
Net in
38GWh
Average net flow
1.60GW 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

Average1.38GWImporting

In 33.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.12GWExporting

In 3.4 GWhOut 6.4 GWh

Netherlands

BritNed

Average0.34GWImporting

In 11.9 GWhOut 3.8 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWPumping

Generated 4.8 GWhPumped 8.2 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.