Electricity Live

Great Britain’s electricity on Wednesday 4 October 2017

On Wednesday 4 October, demand averaged 32.1 GW. Renewables supplied 32%.

32.1GW AVERAGEWind9.56 GW28%Hydro0.65 GW2%Solar0.59 GW2%Gas12.60 GW37%Coal0.88 GW3%Imports1.86 GW6%Nuclear7.49 GW22%32.1GW AVERAGE28%37%22%
Price
£43.92/MWh
Day average £43.92
Demand32.1GW
Generation 31.8Transfers 0.4
Fossil fuels37%
Renewables32%
Other28%
Carbon intensityModerate
209g/kWh
0Day average 209300
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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 4 October 2017, gas supplied 37% of Great Britain’s electricity and wind 28%. Demand peaked at 41.0 GW at 18:55. Carbon intensity averaged 209 g/kWh and the price £43.92/MWh. Wind generation peaked at 11.7 GW at 12:25. Solar generation peaked at 2.2 GW at 13:00. Carbon intensity was lowest at 23:30 (132 g/kWh) and highest at 20:00 (251 g/kWh). The wholesale price ranged from £23.90/MWh at 02:30 to £64.63/MWh at 19:00. Gas made 40% 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 0.591.8%Wind 9.5628.4%Gas 12.6037.5%Hydro 0.651.9%Biomass 0.000.0%Nuclear 7.4922.3%Coal 0.882.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.1avgGeneration 31.8avgTransfers 0.4avg
The day in figurespeaks, averages, totals
Peak demand41.0GW · 18:55
Low 21.0 · 04:00Avg 32.10–60 GW
Made in Great Britain99%of demand
Generation 31.8Transfers 0.4 GW
Net imports11GWh
In
35 Out
25
Zero-carbon share58%of generation
Nuclear 24%Hydro 2%Wind 30%Solar 2%

Transfers · Wed 4 Oct

Interconnectors and storage

On Wednesday 4 October 2017, Great Britain imported 35 GWh and exported 25 GWh through its interconnectors. The most came from Netherlands (21 GWh), and the most exports went to France (18 GWh).

All interconnectors

Wed 4 Oct
Imported
35GWh
Exported
25GWh
Net in
11GWh
Average net flow
0.45GW 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

Average0.33GWExporting

In 10.2 GWhOut 18.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.11GWExporting

In 3.6 GWhOut 6.3 GWh

Netherlands

BritNed

Average0.89GWImporting

In 21.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 9.4 GWhPumped 11.2 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.