Electricity Live

Great Britain’s electricity on Friday 28 September 2018

On Friday 28 September, demand averaged 31.7 GW. Renewables supplied 21%.

31.7GW AVERAGEWind4.45 GW14%Hydro0.66 GW2%Biomass2.01 GW6%Solar1.78 GW5%Gas11.61 GW36%Coal2.30 GW7%Imports3.01 GW9%Nuclear6.80 GW21%31.7GW AVERAGE14%36%7%9%21%
Price
£64.29/MWh
Day average £64.29
Demand31.7GW
Generation 29.6Transfers 2.1
Fossil fuels36%
Renewables21%
Other36%
Carbon intensityModerate
257g/kWh
0Day average 257300
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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 Friday 28 September 2018, gas supplied 36% of Great Britain’s electricity and nuclear 21%. Demand peaked at 37.5 GW at 19:15. Carbon intensity averaged 257 g/kWh and the price £64.29/MWh. Wind generation peaked at 6.9 GW at 00:25. Solar generation peaked at 6.2 GW at 13:00. Carbon intensity was lowest at 00:00 (177 g/kWh) and highest at 18:30 (330 g/kWh). The wholesale price ranged from £56.98/MWh at 00:30 to £78.85/MWh at 19:00. Gas made 39% 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 1.785.5%Wind 4.4513.6%Gas 11.6135.6%Hydro 0.662.0%Biomass 2.016.2%Nuclear 6.8020.8%Coal 2.307.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.7avgGeneration 29.6avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand37.5GW · 19:15
Low 22.5 · 04:20Avg 31.70–40 GW
Made in Great Britain93%of demand
Generation 29.6Transfers 2.1 GW
Net imports55GWh
In
68 Out
13
Zero-carbon share46%of generation
Nuclear 23%Hydro 2%Wind 15%Solar 6%

Transfers · Fri 28 Sept

Interconnectors and storage

On Friday 28 September 2018, Great Britain imported 68 GWh and exported 13 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (13 GWh).

All interconnectors

Fri 28 Sept
Imported
68GWh
Exported
13GWh
Net in
55GWh
Average net flow
2.28GW 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 41.9 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.38GWExporting

In 3.8 GWhOut 12.9 GWh

Netherlands

BritNed

Average0.91GWImporting

In 21.9 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.20GWPumping

Generated 4.8 GWhPumped 9.5 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.