Electricity Live

Great Britain’s electricity on Tuesday 15 May 2018

On Tuesday 15 May, demand averaged 31.8 GW. Renewables supplied 23%.

31.8GW AVERAGEWind4.10 GW13%Hydro0.33 GW1%Biomass2.09 GW6%Solar2.93 GW9%Gas13.21 GW41%Coal0.62 GW2%Imports2.32 GW7%Nuclear6.79 GW21%31.8GW AVERAGE13%9%41%7%21%
Price
£58.93/MWh
Day average £58.93
Demand31.8GW
Generation 30.1Transfers 1.7
Fossil fuels41%
Renewables23%
Other35%
Carbon intensityModerate
217g/kWh
0Day average 217300
Save as image
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 15 May 2018, gas supplied 41% of Great Britain’s electricity and nuclear 21%. Demand peaked at 37.8 GW at 16:55. Carbon intensity averaged 217 g/kWh and the price £58.93/MWh. Wind generation peaked at 7.5 GW at 22:10. Solar generation peaked at 8.8 GW at 13:00. Carbon intensity was lowest at 23:30 (176 g/kWh) and highest at 07:30 (247 g/kWh). The wholesale price ranged from £45.11/MWh at 05:00 to £100.99/MWh at 08:00. 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 2.939.1%Wind 4.1012.7%Gas 13.2140.8%Hydro 0.331.0%Biomass 2.096.5%Nuclear 6.7920.9%Coal 0.621.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.8avgGeneration 30.1avgTransfers 1.7avg
The day in figurespeaks, averages, totals
Peak demand37.8GW · 16:55
Low 22.2 · 03:40Avg 31.80–40 GW
Made in Great Britain95%of demand
Generation 30.1Transfers 1.7 GW
Net imports44GWh
In
50 Out
6
Zero-carbon share47%of generation
Nuclear 23%Hydro 1%Wind 14%Solar 10%

Transfers · Tue 15 May

Interconnectors and storage

On Tuesday 15 May 2018, Great Britain imported 50 GWh and exported 6 GWh through its interconnectors. The most came from France (46 GWh), and the most exports went to Ireland (6 GWh).

All interconnectors

Tue 15 May
Imported
50GWh
Exported
6GWh
Net in
44GWh
Average net flow
1.83GW 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

Average1.93GWImporting

In 46.3 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.10GWExporting

In 3.9 GWhOut 6.3 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.11GWPumping

Generated 5.5 GWhPumped 8.1 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.