Electricity Live

Great Britain’s electricity on Wednesday 4 May 2022

On Wednesday 4 May, demand averaged 30.4 GW. Renewables supplied 21%.

30.4GW AVERAGEWind5.36 GW15%Hydro0.20 GW1%Biomass1.93 GW6%Solar1.70 GW5%Gas18.64 GW53%Coal0.14 GW0%Imports0.46 GW1%Nuclear6.43 GW18%30.4GW AVERAGE15%53%18%
Price
£154.36/MWh
Day average £154.36
Demand30.4GW
Generation 34.4Transfers −4.0
Fossil fuels53%
Renewables21%
Other25%
Carbon intensityHigh
228g/kWh
0Day average 228300
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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 Wednesday 4 May 2022, gas supplied 53% of Great Britain’s electricity and nuclear 18%. Demand peaked at 36.6 GW at 12:05. Carbon intensity averaged 228 g/kWh and the price £154.36/MWh. Wind generation peaked at 9.3 GW at 15:45. Solar generation peaked at 5.3 GW at 14:00. Carbon intensity was lowest at 14:30 (194 g/kWh) and highest at 06:30 (255 g/kWh). The wholesale price ranged from £90.76/MWh at 00:30 to £222.41/MWh at 07:30. Gas made 54% of the electricity generated in Great Britain, compared with 41% across 2022.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.704.9%Wind 5.3615.4%Gas 18.6453.5%Hydro 0.200.6%Biomass 1.935.5%Nuclear 6.4318.4%Coal 0.140.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.4avgGeneration 34.4avgTransfers −4.0avg
The day in figurespeaks, averages, totals
Peak demand36.6GW · 12:05
Low 21.7 · 04:05Avg 30.40–40 GW
Made in Great Britain113%of demand
Generation 34.4Transfers −4.0 GW
Net exports91GWh
In
4 Out
96
Zero-carbon share40%of generation
Nuclear 19%Hydro 1%Wind 16%Solar 5%

Transfers · Wed 4 May

Interconnectors and storage

On Wednesday 4 May 2022, Great Britain imported 4 GWh and exported 96 GWh through its interconnectors. The most came from Ireland (3 GWh), and the most exports went to France (41 GWh).

All interconnectors

Wed 4 May
Imported
4GWh
Exported
96GWh
Net out
91GWh
Average net flow
3.81GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.76GWExporting

In 0.1 GWhOut 18.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.69GWExporting

In 0.0 GWhOut 40.5 GWh

Ireland

Moyle · East–West · Greenlink

Average0.23GWExporting

In 2.9 GWhOut 8.3 GWh

Netherlands

BritNed

Average0.71GWExporting

In 1.3 GWhOut 18.3 GWh

Norway

North Sea Link

Average0.42GWExporting

In 0.2 GWhOut 10.3 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.21GWPumping

Generated 6.6 GWhPumped 11.7 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.