Electricity Live

Great Britain’s electricity on Saturday 12 May 2018

On Saturday 12 May, demand averaged 28.8 GW. Renewables supplied 12%.

28.8GW AVERAGEWind1.56 GW5%Hydro0.38 GW1%Biomass2.12 GW7%Solar1.68 GW6%Gas12.91 GW44%Coal0.25 GW1%Imports3.32 GW11%Nuclear6.92 GW24%28.8GW AVERAGE7%44%11%24%
Price
£55.99/MWh
Day average £55.99
Demand28.8GW
Generation 25.8Transfers 3.0
Fossil fuels44%
Renewables12%
Other42%
Carbon intensityModerate
238g/kWh
0Day average 238300
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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 Saturday 12 May 2018, gas supplied 44% of Great Britain’s electricity and nuclear 24%. Demand peaked at 33.4 GW at 11:35. Carbon intensity averaged 238 g/kWh and the price £55.99/MWh. Wind generation peaked at 4.7 GW at 01:05. Solar generation peaked at 5.1 GW at 11:30. Carbon intensity was lowest at 01:00 (188 g/kWh) and highest at 21:00 (268 g/kWh). The wholesale price ranged from £44.09/MWh at 03:00 to £78.85/MWh at 19:00. Gas made 50% 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 1.685.8%Wind 1.565.4%Gas 12.9144.3%Hydro 0.381.3%Biomass 2.127.3%Nuclear 6.9223.7%Coal 0.250.9%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.8avgGeneration 25.8avgTransfers 3.0avg
The day in figurespeaks, averages, totals
Peak demand33.4GW · 11:35
Low 21.5 · 05:10Avg 28.80–40 GW
Made in Great Britain90%of demand
Generation 25.8Transfers 3.0 GW
Net imports71GWh
In
73 Out
1
Zero-carbon share41%of generation
Nuclear 27%Hydro 1%Wind 6%Solar 7%

Transfers · Sat 12 May

Interconnectors and storage

On Saturday 12 May 2018, Great Britain imported 73 GWh and exported 1 GWh through its interconnectors. The most came from France (46 GWh), and the most exports went to Ireland (1 GWh).

All interconnectors

Sat 12 May
Imported
73GWh
Exported
1GWh
Net in
71GWh
Average net flow
2.97GW 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

Average1.91GWImporting

In 45.7 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.09GWImporting

In 3.6 GWhOut 1.4 GWh

Netherlands

BritNed

Average0.97GWImporting

In 23.3 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWPumping

Generated 7.0 GWhPumped 7.4 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.