Electricity Live

Great Britain’s electricity on Sunday 30 September 2018

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

28.6GW AVERAGEWind7.35 GW25%Hydro0.39 GW1%Biomass0.99 GW3%Solar0.94 GW3%Gas8.53 GW29%Coal1.24 GW4%Imports2.74 GW9%Nuclear6.80 GW23%28.6GW AVERAGE25%29%9%23%
Price
£63.53/MWh
Day average £63.53
Demand28.6GW
Generation 26.2Transfers 2.4
Fossil fuels29%
Renewables30%
Other36%
Carbon intensityModerate
203g/kWh
0Day average 203300
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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 Sunday 30 September 2018, gas supplied 29% of Great Britain’s electricity and wind 25%. Demand peaked at 35.8 GW at 19:10. Carbon intensity averaged 203 g/kWh and the price £63.53/MWh. Wind generation peaked at 10.7 GW at 20:40. Solar generation peaked at 3.3 GW at 11:30. Carbon intensity was lowest at 23:30 (139 g/kWh) and highest at 17:30 (241 g/kWh). The wholesale price ranged from £46.45/MWh at 03:00 to £94.09/MWh at 19:00. Gas made 33% 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 0.943.2%Wind 7.3525.4%Gas 8.5329.4%Hydro 0.391.3%Biomass 0.993.4%Nuclear 6.8023.5%Coal 1.244.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.6avgGeneration 26.2avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand35.8GW · 19:10
Low 20.7 · 04:40Avg 28.60–40 GW
Made in Great Britain92%of demand
Generation 26.2Transfers 2.4 GW
Net imports63GWh
In
64 Out
1
Zero-carbon share59%of generation
Nuclear 26%Hydro 1%Wind 28%Solar 4%

Transfers · Sun 30 Sept

Interconnectors and storage

On Sunday 30 September 2018, Great Britain imported 64 GWh and exported 1 GWh through its interconnectors. The most came from France (39 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Sun 30 Sept
Imported
64GWh
Exported
1GWh
Net in
63GWh
Average net flow
2.61GW 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

Average1.63GWImporting

In 39.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.16GWImporting

In 4.9 GWhOut 1.1 GWh

Netherlands

BritNed

Average0.82GWImporting

In 19.7 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.23GWPumping

Generated 2.1 GWhPumped 7.5 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.