Electricity Live

Great Britain’s electricity on Saturday 15 September 2018

On Saturday 15 September, demand averaged 28.1 GW. Renewables supplied 22%.

28.1GW AVERAGEWind4.26 GW15%Hydro0.47 GW2%Biomass1.51 GW5%Solar1.48 GW5%Gas8.42 GW30%Coal1.76 GW6%Imports3.14 GW11%Nuclear7.28 GW26%28.1GW AVERAGE15%30%11%26%
Price
£62.89/MWh
Day average £62.89
Demand28.1GW
Generation 25.2Transfers 2.9
Fossil fuels30%
Renewables22%
Other42%
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-hourRecorded half-hour

Key moments

On Saturday 15 September 2018, gas supplied 30% of Great Britain’s electricity and nuclear 26%. Demand peaked at 33.4 GW at 19:40. Carbon intensity averaged 240 g/kWh and the price £62.89/MWh. Wind generation peaked at 7.8 GW at 23:30. Solar generation peaked at 5.2 GW at 12:00. Carbon intensity was lowest at 00:00 (153 g/kWh) and highest at 09:00 (294 g/kWh). The wholesale price ranged from £53.15/MWh at 01:00 to £77.45/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 1.485.2%Wind 4.2615.0%Gas 8.4229.7%Hydro 0.471.7%Biomass 1.515.3%Nuclear 7.2825.7%Coal 1.766.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.1avgGeneration 25.2avgTransfers 2.9avg
The day in figurespeaks, averages, totals
Peak demand33.4GW · 19:40
Low 20.8 · 04:45Avg 28.10–40 GW
Made in Great Britain90%of demand
Generation 25.2Transfers 2.9 GW
Net imports70GWh
In
71 Out
1
Zero-carbon share54%of generation
Nuclear 29%Hydro 2%Wind 17%Solar 6%

Transfers · Sat 15 Sept

Interconnectors and storage

On Saturday 15 September 2018, Great Britain imported 71 GWh and exported 1 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Sat 15 Sept
Imported
71GWh
Exported
1GWh
Net in
70GWh
Average net flow
2.90GW 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

Average1.74GWImporting

In 41.8 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.30GWImporting

In 8.6 GWhOut 1.4 GWh

Netherlands

BritNed

Average0.85GWImporting

In 20.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.04GWPumping

Generated 4.5 GWhPumped 5.3 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.