Electricity Live

Great Britain’s electricity on Monday 21 May 2018

On Monday 21 May, demand averaged 31.2 GW. Renewables supplied 18%.

31.2GW AVERAGEWind2.65 GW8%Hydro0.25 GW1%Biomass2.18 GW7%Solar2.76 GW9%Gas14.49 GW46%Coal0.39 GW1%Imports2.97 GW9%Nuclear6.07 GW19%31.2GW AVERAGE8%9%46%9%19%
Price
£56.84/MWh
Day average £56.84
Demand31.2GW
Generation 28.8Transfers 2.4
Fossil fuels46%
Renewables18%
Other35%
Carbon intensityModerate
248g/kWh
0Day average 248300
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 Monday 21 May 2018, gas supplied 46% of Great Britain’s electricity and nuclear 19%. Demand peaked at 38.0 GW at 12:05. Carbon intensity averaged 248 g/kWh and the price £56.84/MWh. Wind generation peaked at 4.5 GW at 21:50. Solar generation peaked at 8.1 GW at 12:00. Carbon intensity was lowest at 11:30 (224 g/kWh) and highest at 04:30 (270 g/kWh). The wholesale price ranged from £43.34/MWh at 05:00 to £77.41/MWh at 08:30. 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 2.768.7%Wind 2.658.3%Gas 14.4945.6%Hydro 0.250.8%Biomass 2.186.9%Nuclear 6.0719.1%Coal 0.391.2%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.2avgGeneration 28.8avgTransfers 2.4avg
The day in figurespeaks, averages, totals
Peak demand38.0GW · 12:05
Low 21.2 · 04:50Avg 31.20–40 GW
Made in Great Britain92%of demand
Generation 28.8Transfers 2.4 GW
Net imports62GWh
In
66 Out
4
Zero-carbon share41%of generation
Nuclear 21%Hydro 1%Wind 9%Solar 10%

Transfers · Mon 21 May

Interconnectors and storage

On Monday 21 May 2018, Great Britain imported 66 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

Mon 21 May
Imported
66GWh
Exported
4GWh
Net in
62GWh
Average net flow
2.58GW 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

Average1.76GWImporting

In 42.2 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.09GWImporting

In 5.9 GWhOut 3.7 GWh

Netherlands

BritNed

Average0.73GWImporting

In 17.5 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.14GWPumping

Generated 5.7 GWhPumped 9.0 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.