Electricity Live

Great Britain’s electricity on Wednesday 4 December 2019

On Wednesday 4 December, demand averaged 39.6 GW. Renewables supplied 26%.

39.6GW AVERAGEWind9.39 GW23%Hydro0.43 GW1%Biomass3.14 GW8%Solar0.76 GW2%Gas16.92 GW41%Coal1.89 GW5%Imports1.11 GW3%Nuclear7.47 GW18%39.6GW AVERAGE23%8%41%18%
Price
£44.69/MWh
Day average £44.69
Demand39.6GW
Generation 40.0Transfers −0.4
Fossil fuels41%
Renewables26%
Other29%
Carbon intensityModerate
253g/kWh
0Day average 253300
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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 December 2019, gas supplied 41% of Great Britain’s electricity and wind 23%. Demand peaked at 46.8 GW at 16:50. Carbon intensity averaged 253 g/kWh and the price £44.69/MWh. Wind generation peaked at 10.7 GW at 10:40. Solar generation peaked at 4.1 GW at 11:30. Carbon intensity was lowest at 00:00 (212 g/kWh) and highest at 17:30 (298 g/kWh). The wholesale price ranged from £34.07/MWh at 06:30 to £77.74/MWh at 17:00. Gas made 42% of the electricity generated in Great Britain, compared with 43% across 2019.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 0.761.9%Wind 9.3922.8%Gas 16.9241.2%Hydro 0.431.0%Biomass 3.147.6%Nuclear 7.4718.2%Coal 1.894.6%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 39.6avgGeneration 40.0avgTransfers −0.4avg
The day in figurespeaks, averages, totals
Peak demand46.8GW · 16:50
Low 27.9 · 03:55Avg 39.60–60 GW
Made in Great Britain101%of demand
Generation 40.0Transfers −0.4 GW
Net exports8GWh
In
21 Out
29
Zero-carbon share45%of generation
Nuclear 19%Hydro 1%Wind 23%Solar 2%

Transfers · Wed 4 Dec

Interconnectors and storage

On Wednesday 4 December 2019, Great Britain imported 21 GWh and exported 29 GWh through its interconnectors. The most came from Netherlands (11 GWh), and the most exports went to France (12 GWh).

All interconnectors

Wed 4 Dec
Imported
21GWh
Exported
29GWh
Net out
8GWh
Average net flow
0.32GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.43GWExporting

In 0.4 GWhOut 10.6 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.33GWExporting

In 4.4 GWhOut 12.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.04GWImporting

In 5.2 GWhOut 4.2 GWh

Netherlands

BritNed

Average0.39GWImporting

In 11.3 GWhOut 1.8 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.10GWPumping

Generated 5.4 GWhPumped 7.8 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.