Electricity Live

Great Britain’s electricity on Tuesday 22 May 2018

On Tuesday 22 May, demand averaged 31.1 GW. Renewables supplied 28%.

31.1GW AVERAGEWind5.75 GW18%Hydro0.20 GW1%Biomass2.14 GW7%Solar2.92 GW9%Gas12.00 GW38%Coal0.10 GW0%Imports2.66 GW8%Nuclear5.90 GW19%31.1GW AVERAGE18%9%38%8%19%
Price
£48.67/MWh
Day average £48.67
Demand31.1GW
Generation 29.0Transfers 2.0
Fossil fuels38%
Renewables28%
Other34%
Carbon intensityModerate
200g/kWh
0Day average 200300
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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 22 May 2018, gas supplied 38% of Great Britain’s electricity and nuclear 19%. Demand peaked at 37.3 GW at 12:00. Carbon intensity averaged 200 g/kWh and the price £48.67/MWh. Wind generation peaked at 6.5 GW at 18:15. Solar generation peaked at 8.7 GW at 13:00. Carbon intensity was lowest at 14:30 (164 g/kWh) and highest at 20:30 (233 g/kWh). The wholesale price ranged from £32.19/MWh at 04:30 to £62.51/MWh at 07:30. Gas made 41% 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 2.929.2%Wind 5.7518.2%Gas 12.0037.9%Hydro 0.200.6%Biomass 2.146.8%Nuclear 5.9018.6%Coal 0.100.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.1avgGeneration 29.0avgTransfers 2.0avg
The day in figurespeaks, averages, totals
Peak demand37.3GW · 12:00
Low 21.1 · 04:55Avg 31.10–40 GW
Made in Great Britain93%of demand
Generation 29.0Transfers 2.0 GW
Net imports55GWh
In
59 Out
4
Zero-carbon share51%of generation
Nuclear 20%Hydro 1%Wind 20%Solar 10%

Transfers · Tue 22 May

Interconnectors and storage

On Tuesday 22 May 2018, Great Britain imported 59 GWh and exported 4 GWh through its interconnectors. The most came from France (42 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Tue 22 May
Imported
59GWh
Exported
4GWh
Net in
55GWh
Average net flow
2.28GW 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

Average1.77GWImporting

In 42.5 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.13GWImporting

In 6.7 GWhOut 3.5 GWh

Netherlands

BritNed

Average0.37GWImporting

In 9.9 GWhOut 0.9 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.23GWPumping

Generated 4.7 GWhPumped 10.2 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.