Electricity Live

Great Britain’s electricity on Monday 25 September 2017

On Monday 25 September, demand averaged 31.3 GW. Renewables supplied 9%.

31.3GW AVERAGEWind1.90 GW6%Hydro0.47 GW1%Solar0.60 GW2%Gas16.62 GW52%Coal2.57 GW8%Imports2.24 GW7%Nuclear7.41 GW23%31.3GW AVERAGE52%8%7%23%
Price
£49.48/MWh
Day average £49.48
Demand31.3GW
Generation 29.6Transfers 1.8
Fossil fuels52%
Renewables9%
Other30%
Carbon intensityHigh
300g/kWh
0Day average 300300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Monday 25 September 2017, gas supplied 52% of Great Britain’s electricity and nuclear 23%. Demand peaked at 38.7 GW at 19:10. Carbon intensity averaged 300 g/kWh and the price £49.48/MWh. Wind generation peaked at 3.1 GW at 00:00. Solar generation peaked at 2.3 GW at 13:00. Carbon intensity was lowest at 23:30 (300 g/kWh) and highest at 23:30 (300 g/kWh). The wholesale price ranged from £33.20/MWh at 04:30 to £84.94/MWh at 19:30. Gas made 56% 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 0.601.9%Wind 1.906.0%Gas 16.6252.3%Hydro 0.471.5%Biomass 0.000.0%Nuclear 7.4123.3%Coal 2.578.1%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.3avgGeneration 29.6avgTransfers 1.8avg
The day in figurespeaks, averages, totals
Peak demand38.7GW · 19:10
Low 20.4 · 03:55Avg 31.30–40 GW
Made in Great Britain94%of demand
Generation 29.6Transfers 1.8 GW
Net imports45GWh
In
46 Out
1
Zero-carbon share35%of generation
Nuclear 25%Hydro 2%Wind 6%Solar 2%

Transfers · Mon 25 Sept

Interconnectors and storage

On Monday 25 September 2017, Great Britain imported 46 GWh and exported 1 GWh through its interconnectors. The most came from Netherlands (20 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Mon 25 Sept
Imported
46GWh
Exported
1GWh
Net in
45GWh
Average net flow
1.86GW 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

Average0.84GWImporting

In 20.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.18GWImporting

In 5.5 GWhOut 1.3 GWh

Netherlands

BritNed

Average0.85GWImporting

In 20.3 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 7.8 GWhPumped 10.3 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.