Electricity Live

Great Britain’s electricity on Tuesday 20 March 2018

On Tuesday 20 March, demand averaged 40.8 GW. Renewables supplied 14%.

40.8GW AVERAGEWind4.27 GW10%Hydro0.21 GW0%Biomass1.98 GW5%Solar1.50 GW4%Gas17.06 GW41%Coal6.14 GW15%Imports2.57 GW6%Nuclear7.80 GW19%40.8GW AVERAGE10%41%15%19%
Price
£52.10/MWh
Day average £52.10
Demand40.8GW
Generation 39.0Transfers 1.9
Fossil fuels41%
Renewables14%
Other30%
Carbon intensityHigh
350g/kWh
0Day average 350300
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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 20 March 2018, gas supplied 41% of Great Britain’s electricity and nuclear 19%. Demand peaked at 48.8 GW at 19:00. Carbon intensity averaged 350 g/kWh and the price £52.10/MWh. Wind generation peaked at 6.0 GW at 05:55. Solar generation peaked at 5.4 GW at 12:30. Carbon intensity was lowest at 03:30 (265 g/kWh) and highest at 19:30 (428 g/kWh). The wholesale price ranged from £43.75/MWh at 10:30 to £69.89/MWh at 18:30. Gas made 44% 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 1.503.6%Wind 4.2710.3%Gas 17.0641.1%Hydro 0.210.5%Biomass 1.984.8%Nuclear 7.8018.8%Coal 6.1414.8%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 40.8avgGeneration 39.0avgTransfers 1.9avg
The day in figurespeaks, averages, totals
Peak demand48.8GW · 19:00
Low 30.7 · 03:55Avg 40.80–60 GW
Made in Great Britain95%of demand
Generation 39.0Transfers 1.9 GW
Net imports48GWh
In
55 Out
7
Zero-carbon share35%of generation
Nuclear 20%Hydro 1%Wind 11%Solar 4%

Transfers · Tue 20 Mar

Interconnectors and storage

On Tuesday 20 March 2018, Great Britain imported 55 GWh and exported 7 GWh through its interconnectors. The most came from France (31 GWh), and the most exports went to Ireland (7 GWh).

All interconnectors

Tue 20 Mar
Imported
55GWh
Exported
7GWh
Net in
48GWh
Average net flow
1.99GW 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

Average1.29GWImporting

In 31.0 GWhOut 0.1 GWh

Ireland

Moyle · East–West · Greenlink

Average0.22GWExporting

In 1.6 GWhOut 7.0 GWh

Netherlands

BritNed

Average0.93GWImporting

In 22.3 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.12GWPumping

Generated 6.7 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.