Electricity Live

Great Britain’s electricity on Saturday 29 September 2018

On Saturday 29 September, demand averaged 28.7 GW. Renewables supplied 27%.

28.7GW AVERAGEWind5.47 GW19%Hydro0.46 GW2%Biomass1.00 GW3%Solar1.94 GW7%Gas9.26 GW32%Coal1.72 GW6%Imports2.73 GW9%Nuclear6.80 GW23%28.7GW AVERAGE19%32%9%23%
Price
£63.60/MWh
Day average £63.60
Demand28.7GW
Generation 26.6Transfers 2.1
Fossil fuels32%
Renewables27%
Other36%
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 Saturday 29 September 2018, gas supplied 32% of Great Britain’s electricity and nuclear 23%. Demand peaked at 34.1 GW at 19:25. Carbon intensity averaged 230 g/kWh and the price £63.60/MWh. Wind generation peaked at 6.6 GW at 19:00. Solar generation peaked at 6.7 GW at 12:30. Carbon intensity was lowest at 15:00 (180 g/kWh) and highest at 20:00 (284 g/kWh). The wholesale price ranged from £51.07/MWh at 14:30 to £83.10/MWh at 19:30. Gas made 35% 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 1.946.6%Wind 5.4718.6%Gas 9.2631.5%Hydro 0.461.6%Biomass 1.003.4%Nuclear 6.8023.1%Coal 1.725.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.7avgGeneration 26.6avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand34.1GW · 19:25
Low 21.8 · 04:25Avg 28.70–40 GW
Made in Great Britain93%of demand
Generation 26.6Transfers 2.1 GW
Net imports53GWh
In
62 Out
9
Zero-carbon share55%of generation
Nuclear 26%Hydro 2%Wind 21%Solar 7%

Transfers · Sat 29 Sept

Interconnectors and storage

On Saturday 29 September 2018, Great Britain imported 62 GWh and exported 9 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (9 GWh).

All interconnectors

Sat 29 Sept
Imported
62GWh
Exported
9GWh
Net in
53GWh
Average net flow
2.19GW 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

Average1.74GWImporting

In 41.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.36GWExporting

In 0.9 GWhOut 9.4 GWh

Netherlands

BritNed

Average0.81GWImporting

In 19.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWPumping

Generated 3.4 GWhPumped 6.4 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.