Electricity Live

Great Britain’s electricity on Saturday 30 September 2017

On Saturday 30 September, demand averaged 28.6 GW. Renewables supplied 17%.

28.6GW AVERAGEWind3.40 GW12%Hydro0.51 GW2%Solar1.01 GW3%Gas12.88 GW45%Coal0.69 GW2%Imports3.23 GW11%Nuclear7.18 GW25%28.6GW AVERAGE12%45%11%25%
Price
£47.43/MWh
Day average £47.43
Demand28.6GW
Generation 25.7Transfers 2.9
Fossil fuels45%
Renewables17%
Other36%
Carbon intensityModerate
240g/kWh
0Day average 240300
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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 Saturday 30 September 2017, gas supplied 45% of Great Britain’s electricity and nuclear 25%. Demand peaked at 34.9 GW at 18:45. Carbon intensity averaged 240 g/kWh and the price £47.43/MWh. Wind generation peaked at 6.4 GW at 00:55. Solar generation peaked at 4.8 GW at 12:00. Carbon intensity was lowest at 00:30 (184 g/kWh) and highest at 20:00 (296 g/kWh). The wholesale price ranged from £34.05/MWh at 02:30 to £77.79/MWh at 19:00. Gas made 50% 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 1.013.5%Wind 3.4011.8%Gas 12.8844.6%Hydro 0.511.8%Biomass 0.000.0%Nuclear 7.1824.8%Coal 0.692.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.6avgGeneration 25.7avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand34.9GW · 18:45
Low 20.8 · 04:25Avg 28.60–40 GW
Made in Great Britain90%of demand
Generation 25.7Transfers 2.9 GW
Net imports69GWh
In
69 Out
0
Zero-carbon share47%of generation
Nuclear 28%Hydro 2%Wind 13%Solar 4%

Transfers · Sat 30 Sept

Interconnectors and storage

On Saturday 30 September 2017, Great Britain imported 69 GWh and exported 0 GWh through its interconnectors. The most came from France (43 GWh).

All interconnectors

Sat 30 Sept
Imported
69GWh
Exported
0GWh
Net in
69GWh
Average net flow
2.88GW 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

Average1.77GWImporting

In 42.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.42GWImporting

In 10.2 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.69GWImporting

In 16.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWGenerating

Generated 8.3 GWhPumped 7.4 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.