Electricity Live

Great Britain’s electricity on Tuesday 12 September 2017

On Tuesday 12 September, demand averaged 31.8 GW. Renewables supplied 31%.

31.8GW AVERAGEWind7.71 GW24%Hydro0.50 GW2%Solar1.70 GW5%Gas11.39 GW35%Coal1.26 GW4%Imports2.25 GW7%Nuclear7.60 GW23%31.8GW AVERAGE24%35%23%
Price
£45.65/MWh
Day average £45.65
Demand31.8GW
Generation 30.1Transfers 1.7
Fossil fuels35%
Renewables31%
Other30%
Carbon intensity
—
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Key moments

On Tuesday 12 September 2017, gas supplied 35% of Great Britain’s electricity and wind 24%. Demand peaked at 38.3 GW at 19:40. The price £45.65/MWh. Wind generation peaked at 9.9 GW at 04:05. Solar generation peaked at 6.1 GW at 12:00. The wholesale price ranged from £19.74/MWh at 03:00 to £70.07/MWh at 19:30. Gas made 38% of the electricity generated in Great Britain, compared with 43% across 2017.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.705.2%Wind 7.7123.8%Gas 11.3935.2%Hydro 0.501.5%Biomass 0.000.0%Nuclear 7.6023.5%Coal 1.263.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.8avgGeneration 30.1avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand38.3GW · 19:40
Low 21.3 · 04:20Avg 31.80–40 GW
Made in Great Britain95%of demand
Generation 30.1Transfers 1.7 GW
Net imports40GWh
In
44 Out
4
Zero-carbon share58%of generation
Nuclear 25%Hydro 2%Wind 26%Solar 6%

Transfers · Tue 12 Sept

Interconnectors and storage

On Tuesday 12 September 2017, Great Britain imported 44 GWh and exported 4 GWh through its interconnectors. The most came from France (21 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Tue 12 Sept
Imported
44GWh
Exported
4GWh
Net in
40GWh
Average net flow
1.68GW 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

Average0.88GWImporting

In 21.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.02GWImporting

In 4.1 GWhOut 3.7 GWh

Netherlands

BritNed

Average0.78GWImporting

In 18.8 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.02GWGenerating

Generated 10.0 GWhPumped 9.5 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.