Electricity Live

Great Britain’s electricity on Tuesday 4 December 2018

On Tuesday 4 December, demand averaged 38.7 GW. Renewables supplied 7%.

38.7GW AVERAGEWind1.89 GW5%Hydro0.59 GW1%Biomass2.90 GW7%Solar0.43 GW1%Gas20.60 GW52%Coal3.78 GW10%Imports3.06 GW8%Nuclear6.43 GW16%38.7GW AVERAGE7%52%10%8%16%
Price
£74.13/MWh
Day average £74.13
Demand38.7GW
Generation 36.6Transfers 2.1
Fossil fuels52%
Renewables7%
Other31%
Carbon intensityHigh
345g/kWh
0Day average 345300
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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 Tuesday 4 December 2018, gas supplied 52% of Great Britain’s electricity and nuclear 16%. Demand peaked at 46.5 GW at 17:20. Carbon intensity averaged 345 g/kWh and the price £74.13/MWh. Wind generation peaked at 3.2 GW at 00:00. Solar generation peaked at 2.8 GW at 10:30. Carbon intensity was lowest at 23:00 (267 g/kWh) and highest at 07:30 (390 g/kWh). The wholesale price ranged from £52.13/MWh at 23:30 to £136.77/MWh at 17:00. Gas made 56% 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 0.431.1%Wind 1.894.8%Gas 20.6051.9%Hydro 0.591.5%Biomass 2.907.3%Nuclear 6.4316.2%Coal 3.789.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 38.7avgGeneration 36.6avgTransfers 2.1avg
The day in figurespeaks, averages, totals
Peak demand46.5GW · 17:20
Low 27.0 · 04:25Avg 38.70–60 GW
Made in Great Britain95%of demand
Generation 36.6Transfers 2.1 GW
Net imports51GWh
In
66 Out
15
Zero-carbon share26%of generation
Nuclear 18%Hydro 2%Wind 5%Solar 1%

Transfers · Tue 4 Dec

Interconnectors and storage

On Tuesday 4 December 2018, Great Britain imported 66 GWh and exported 15 GWh through its interconnectors. The most came from France (48 GWh), and the most exports went to Ireland (15 GWh).

All interconnectors

Tue 4 Dec
Imported
66GWh
Exported
15GWh
Net in
51GWh
Average net flow
2.11GW 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

Average2.00GWImporting

In 48.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.61GWExporting

In 0.3 GWhOut 14.9 GWh

Netherlands

BritNed

Average0.72GWImporting

In 17.2 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 7.9 GWhPumped 8.9 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.