Electricity Live

Great Britain’s electricity on Wednesday 21 February 2018

On Wednesday 21 February, demand averaged 38.9 GW. Renewables supplied 7%.

38.9GW AVERAGEWind1.47 GW4%Hydro0.49 GW1%Biomass1.41 GW4%Solar0.77 GW2%Gas19.24 GW48%Coal5.24 GW13%Imports3.54 GW9%Nuclear7.66 GW19%38.9GW AVERAGE48%13%9%19%
Price
£53.90/MWh
Day average £53.90
Demand38.9GW
Generation 36.3Transfers 2.6
Fossil fuels48%
Renewables7%
Other32%
Carbon intensityHigh
372g/kWh
0Day average 372300
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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 Wednesday 21 February 2018, gas supplied 48% of Great Britain’s electricity and nuclear 19%. Demand peaked at 47.4 GW at 18:05. Carbon intensity averaged 372 g/kWh and the price £53.90/MWh. Wind generation peaked at 3.2 GW at 23:55. Solar generation peaked at 3.2 GW at 12:30. Carbon intensity was lowest at 00:00 (317 g/kWh) and highest at 16:00 (412 g/kWh). The wholesale price ranged from £43.63/MWh at 23:00 to £80.66/MWh at 18:00. Gas made 53% 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 0.771.9%Wind 1.473.7%Gas 19.2448.3%Hydro 0.491.2%Biomass 1.413.5%Nuclear 7.6619.2%Coal 5.2413.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.9avgGeneration 36.3avgTransfers 2.6avg
The day in figurespeaks, averages, totals
Peak demand47.4GW · 18:05
Low 28.1 · 04:10Avg 38.90–60 GW
Made in Great Britain93%of demand
Generation 36.3Transfers 2.6 GW
Net imports60GWh
In
74 Out
14
Zero-carbon share29%of generation
Nuclear 21%Hydro 1%Wind 4%Solar 2%

Transfers · Wed 21 Feb

Interconnectors and storage

On Wednesday 21 February 2018, Great Britain imported 74 GWh and exported 14 GWh through its interconnectors. The most came from France (47 GWh), and the most exports went to Ireland (14 GWh).

All interconnectors

Wed 21 Feb
Imported
74GWh
Exported
14GWh
Net in
60GWh
Average net flow
2.52GW 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

Average1.97GWImporting

In 47.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.41GWExporting

In 3.7 GWhOut 13.6 GWh

Netherlands

BritNed

Average0.96GWImporting

In 23.1 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.09GWGenerating

Generated 10.9 GWhPumped 8.8 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.