Electricity Live

Great Britain’s electricity on Friday 4 May 2018

On Friday 4 May, demand averaged 32.4 GW. Renewables supplied 17%.

32.4GW AVERAGEWind3.33 GW10%Hydro0.37 GW1%Biomass1.88 GW6%Solar1.85 GW6%Gas15.02 GW46%Coal0.49 GW1%Imports2.76 GW8%Nuclear7.24 GW22%32.4GW AVERAGE10%46%8%22%
Price
£47.66/MWh
Day average £47.66
Demand32.4GW
Generation 30.2Transfers 2.2
Fossil fuels46%
Renewables17%
Other36%
Carbon intensityModerate
243g/kWh
0Day average 243300
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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 Friday 4 May 2018, gas supplied 46% of Great Britain’s electricity and nuclear 22%. Demand peaked at 38.3 GW at 12:05. Carbon intensity averaged 243 g/kWh and the price £47.66/MWh. Wind generation peaked at 5.1 GW at 00:40. Solar generation peaked at 5.1 GW at 12:30. Carbon intensity was lowest at 00:30 (204 g/kWh) and highest at 20:00 (279 g/kWh). The wholesale price ranged from £42.83/MWh at 01:30 to £54.27/MWh at 21:30. 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 1.855.6%Wind 3.3310.1%Gas 15.0245.6%Hydro 0.371.1%Biomass 1.885.7%Nuclear 7.2422.0%Coal 0.491.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.4avgGeneration 30.2avgTransfers 2.2avg
The day in figurespeaks, averages, totals
Peak demand38.3GW · 12:05
Low 24.0 · 04:00Avg 32.40–40 GW
Made in Great Britain93%of demand
Generation 30.2Transfers 2.2 GW
Net imports56GWh
In
60 Out
4
Zero-carbon share42%of generation
Nuclear 24%Hydro 1%Wind 11%Solar 6%

Transfers · Fri 4 May

Interconnectors and storage

On Friday 4 May 2018, Great Britain imported 60 GWh and exported 4 GWh through its interconnectors. The most came from France (34 GWh), and the most exports went to Ireland (4 GWh).

All interconnectors

Fri 4 May
Imported
60GWh
Exported
4GWh
Net in
56GWh
Average net flow
2.33GW 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

Average1.42GWImporting

In 34.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.08GWExporting

In 2.0 GWhOut 3.9 GWh

Netherlands

BritNed

Average0.99GWImporting

In 23.8 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 6.3 GWhPumped 9.1 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.