Electricity Live

Great Britain’s electricity on Friday 21 April 2023

On Friday 21 April, demand averaged 30.3 GW. Renewables supplied 35%.

30.3GW AVERAGEWind9.14 GW29%Hydro0.28 GW1%Biomass1.43 GW5%Solar1.46 GW5%Gas10.51 GW34%Imports4.08 GW13%Nuclear4.15 GW13%30.3GW AVERAGE29%34%13%13%
Price
£106.30/MWh
Day average £106.30
Demand30.3GW
Generation 27.0Transfers 3.4
Fossil fuels34%
Renewables35%
Other31%
Carbon intensityModerate
160g/kWh
0Day average 160300
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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 21 April 2023, gas supplied 34% of Great Britain’s electricity and wind 29%. Demand peaked at 36.8 GW at 10:30. Carbon intensity averaged 160 g/kWh and the price £106.30/MWh. Wind generation peaked at 12.8 GW at 10:30. Solar generation peaked at 4.4 GW at 13:00. Carbon intensity was lowest at 14:30 (126 g/kWh) and highest at 20:30 (202 g/kWh). The wholesale price ranged from £79.63/MWh at 01:00 to £155.92/MWh at 07:30. Gas made 39% of the electricity generated in Great Britain, compared with 36% across 2023.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.464.7%Wind 9.1429.4%Gas 10.5133.8%Hydro 0.280.9%Biomass 1.434.6%Nuclear 4.1513.4%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 30.3avgGeneration 27.0avgTransfers 3.4avg
The day in figurespeaks, averages, totals
Peak demand36.8GW · 10:30
Low 21.9 · 04:00Avg 30.30–40 GW
Made in Great Britain89%of demand
Generation 27.0Transfers 3.4 GW
Net imports82GWh
In
95 Out
13
Zero-carbon share56%of generation
Nuclear 15%Hydro 1%Wind 34%Solar 5%

Transfers · Fri 21 Apr

Interconnectors and storage

On Friday 21 April 2023, Great Britain imported 95 GWh and exported 13 GWh through its interconnectors. The most came from France (36 GWh), and the most exports went to France (10 GWh).

All interconnectors

Fri 21 Apr
Imported
95GWh
Exported
13GWh
Net in
82GWh
Average net flow
3.42GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.38GWImporting

In 10.2 GWhOut 1.1 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.10GWImporting

In 36.2 GWhOut 9.7 GWh

Ireland

Moyle · East–West · Greenlink

Average0.04GWImporting

In 2.9 GWhOut 2.1 GWh

Netherlands

BritNed

Average0.80GWImporting

In 19.2 GWhOut 0.0 GWh

Norway

North Sea Link

Average1.10GWImporting

In 26.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.06GWPumping

Generated 2.9 GWhPumped 4.4 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.