Electricity Live

Great Britain’s electricity on Tuesday 4 April 2023

On Tuesday 4 April, demand averaged 31.4 GW. Renewables supplied 31%.

31.4GW AVERAGEWind6.58 GW20%Hydro0.30 GW1%Biomass2.04 GW6%Solar3.20 GW10%Gas12.91 GW40%Coal0.11 GW0%Imports3.27 GW10%Nuclear4.01 GW12%31.4GW AVERAGE20%10%40%10%12%
Price
£107.13/MWh
Day average £107.13
Demand31.4GW
Generation 29.1Transfers 2.3
Fossil fuels40%
Renewables31%
Other29%
Carbon intensityHigh
186g/kWh
0Day average 186300
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Records set on this day

All records

Key moments

On Tuesday 4 April 2023, gas supplied 40% of Great Britain’s electricity and wind 20%. Demand peaked at 38.0 GW at 10:00. Carbon intensity averaged 186 g/kWh and the price £107.13/MWh. Wind generation peaked at 8.6 GW at 00:00. Solar generation peaked at 10.5 GW at 13:00. Carbon intensity was lowest at 13:00 (113 g/kWh) and highest at 06:00 (238 g/kWh). The wholesale price ranged from £78.39/MWh at 13:30 to £193.11/MWh at 07:30. Gas made 44% 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 3.209.9%Wind 6.5820.3%Gas 12.9139.8%Hydro 0.300.9%Biomass 2.046.3%Nuclear 4.0112.4%Coal 0.110.3%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 31.4avgGeneration 29.1avgTransfers 2.3avg
The day in figurespeaks, averages, totals
Peak demand38.0GW · 10:00
Low 23.6 · 04:05Avg 31.40–40 GW
Made in Great Britain93%of demand
Generation 29.1Transfers 2.3 GW
Net imports64GWh
In
77 Out
13
Zero-carbon share48%of generation
Nuclear 14%Hydro 1%Wind 23%Solar 11%

Transfers · Tue 4 Apr

Interconnectors and storage

On Tuesday 4 April 2023, Great Britain imported 77 GWh and exported 13 GWh through its interconnectors. The most came from Norway (25 GWh), and the most exports went to France (11 GWh).

All interconnectors

Tue 4 Apr
Imported
77GWh
Exported
13GWh
Net in
64GWh
Average net flow
2.67GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.31GWImporting

In 8.8 GWhOut 1.3 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average0.48GWImporting

In 22.7 GWhOut 11.2 GWh

Ireland

Moyle · East–West · Greenlink

Average0.31GWImporting

In 7.9 GWhOut 0.5 GWh

Netherlands

BritNed

Average0.53GWImporting

In 13.1 GWhOut 0.4 GWh

Norway

North Sea Link

Average1.04GWImporting

In 24.8 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.37GWPumping

Generated 1.1 GWhPumped 10.0 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.