Electricity Live

Great Britain’s electricity on Tuesday 26 September 2017

On Tuesday 26 September, demand averaged 31.6 GW. Renewables supplied 12%.

31.6GW AVERAGEWind2.44 GW8%Hydro0.43 GW1%Solar1.12 GW3%Gas17.11 GW53%Coal1.78 GW6%Imports2.13 GW7%Nuclear7.03 GW22%31.6GW AVERAGE8%53%22%
Price
£46.17/MWh
Day average £46.17
Demand31.6GW
Generation 29.9Transfers 1.7
Fossil fuels53%
Renewables12%
Other29%
Carbon intensityHigh
306g/kWh
0Day average 306300
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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

Records set on this day

All records

Key moments

On Tuesday 26 September 2017, gas supplied 53% of Great Britain’s electricity and nuclear 22%. Demand peaked at 39.3 GW at 19:15. Carbon intensity averaged 306 g/kWh and the price £46.17/MWh. Wind generation peaked at 4.7 GW at 23:25. Solar generation peaked at 4.2 GW at 12:00. Carbon intensity was lowest at 23:30 (236 g/kWh) and highest at 18:30 (337 g/kWh). The wholesale price ranged from £38.20/MWh at 04:00 to £59.72/MWh at 19:30. Gas made 57% 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 1.123.5%Wind 2.447.6%Gas 17.1153.4%Hydro 0.431.4%Biomass 0.000.0%Nuclear 7.0321.9%Coal 1.785.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.6avgGeneration 29.9avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand39.3GW · 19:15
Low 21.3 · 03:50Avg 31.60–40 GW
Made in Great Britain95%of demand
Generation 29.9Transfers 1.7 GW
Net imports45GWh
In
46 Out
1
Zero-carbon share37%of generation
Nuclear 23%Hydro 1%Wind 8%Solar 4%

Transfers · Tue 26 Sept

Interconnectors and storage

On Tuesday 26 September 2017, Great Britain imported 46 GWh and exported 1 GWh through its interconnectors. The most came from Netherlands (19 GWh).

All interconnectors

Tue 26 Sept
Imported
46GWh
Exported
1GWh
Net in
45GWh
Average net flow
1.87GW 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

Average0.65GWImporting

In 16.5 GWhOut 0.8 GWh

Ireland

Moyle · East–West · Greenlink

Average0.42GWImporting

In 10.5 GWhOut 0.3 GWh

Netherlands

BritNed

Average0.79GWImporting

In 19.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.15GWPumping

Generated 5.3 GWhPumped 9.0 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.