Electricity Live

Great Britain’s electricity on Monday 23 June 2025

On Monday 23 June, demand averaged 28.6 GW. Renewables supplied 64%.

28.6GW AVERAGEWind16.44 GW51%Hydro0.14 GW0%Biomass1.19 GW4%Solar3.79 GW12%Gas3.55 GW11%Imports2.08 GW6%Nuclear4.79 GW15%28.6GW AVERAGE51%12%11%15%
Price
£36.33/MWh
Day average £36.33
Demand28.6GW
Generation 29.9Transfers −1.3
Fossil fuels11%
Renewables64%
Other25%
Carbon intensityLow
62g/kWh
0Day average 62300
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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 Monday 23 June 2025, wind supplied 51% of Great Britain’s electricity and nuclear 15%. Demand peaked at 35.3 GW at 13:40. Carbon intensity averaged 62 g/kWh and the price £36.33/MWh. Wind generation peaked at 19.5 GW at 08:50. Solar generation peaked at 10.2 GW at 13:30. Carbon intensity was lowest at 12:00 (44 g/kWh) and highest at 20:30 (98 g/kWh). The wholesale price ranged from −£8.72/MWh at 13:30 to £100.66/MWh at 19:30. The price was below zero for 1.5 hours. Wind made 55% of the electricity generated in Great Britain, compared with 35% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 3.7911.9%Wind 16.4451.4%Gas 3.5511.1%Hydro 0.140.4%Biomass 1.193.7%Nuclear 4.7915.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.6avgGeneration 29.9avgTransfers −1.3avg
The day in figurespeaks, averages, totals
Peak demand35.3GW · 13:40
Low 20.4 · 04:15Avg 28.60–40 GW
Made in Great Britain105%of demand
Generation 29.9Transfers −1.3 GW
Net exports26GWh
In
50 Out
76
Zero-carbon share84%of generation
Nuclear 16%Hydro 0%Wind 55%Solar 13%

Transfers · Mon 23 Jun

Interconnectors and storage

On Monday 23 June 2025, Great Britain imported 50 GWh and exported 76 GWh through its interconnectors. The most came from France (15 GWh), and the most exports went to Ireland (30 GWh).

All interconnectors

Mon 23 Jun
Imported
50GWh
Exported
76GWh
Net out
26GWh
Average net flow
1.10GW out

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.06GWExporting

In 8.1 GWhOut 9.4 GWh

Denmark

Viking Link

Average0.16GWImporting

In 10.8 GWhOut 6.9 GWh

France

IFA · IFA2 · ElecLink

Average0.49GWImporting

In 15.3 GWhOut 3.5 GWh

Ireland

Moyle · East–West · Greenlink

Average1.26GWExporting

In 0.0 GWhOut 30.2 GWh

Netherlands

BritNed

Average0.10GWExporting

In 8.0 GWhOut 10.4 GWh

Norway

North Sea Link

Average0.34GWExporting

In 7.4 GWhOut 15.6 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.24GWPumping

Generated 0.2 GWhPumped 5.9 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.