Electricity Live

Great Britain’s electricity on Friday 22 August 2025

On Friday 22 August, demand averaged 26.6 GW. Renewables supplied 19%.

26.6GW AVERAGEWind2.24 GW8%Hydro0.30 GW1%Biomass3.10 GW11%Solar2.86 GW10%Gas9.55 GW34%Imports7.23 GW26%Nuclear3.02 GW11%26.6GW AVERAGE8%11%10%34%26%11%
Price
£86.96/MWh
Day average £86.96
Demand26.6GW
Generation 21.1Transfers 5.5
Fossil fuels34%
Renewables19%
Other47%
Carbon intensityHigh
175g/kWh
0Day average 175300
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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 22 August 2025, gas supplied 34% of Great Britain’s electricity and biomass 11%. Demand peaked at 32.8 GW at 10:30. Carbon intensity averaged 175 g/kWh and the price £86.96/MWh. Wind generation peaked at 3.0 GW at 00:00. Solar generation peaked at 8.9 GW at 13:30. Carbon intensity was lowest at 14:00 (130 g/kWh) and highest at 20:30 (211 g/kWh). The wholesale price ranged from £71.70/MWh at 02:30 to £115.62/MWh at 19:30. Gas made 45% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 2.8610.1%Wind 2.247.9%Gas 9.5533.8%Hydro 0.301.0%Biomass 3.1011.0%Nuclear 3.0210.7%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 26.6avgGeneration 21.1avgTransfers 5.5avg
The day in figurespeaks, averages, totals
Peak demand32.8GW · 10:30
Low 20.1 · 05:40Avg 26.60–40 GW
Made in Great Britain79%of demand
Generation 21.1Transfers 5.5 GW
Net imports134GWh
In
173 Out
39
Zero-carbon share40%of generation
Nuclear 14%Hydro 1%Wind 11%Solar 14%

Transfers · Fri 22 Aug

Interconnectors and storage

On Friday 22 August 2025, Great Britain imported 173 GWh and exported 39 GWh through its interconnectors. The most came from France (95 GWh), and the most exports went to Ireland (33 GWh).

All interconnectors

Fri 22 Aug
Imported
173GWh
Exported
39GWh
Net in
134GWh
Average net flow
5.58GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.47GWImporting

In 12.5 GWhOut 1.3 GWh

Denmark

Viking Link

Average1.01GWImporting

In 24.3 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average3.96GWImporting

In 95.0 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average1.39GWExporting

In 0.0 GWhOut 33.3 GWh

Netherlands

BritNed

Average0.30GWImporting

In 11.3 GWhOut 4.0 GWh

Norway

North Sea Link

Average1.23GWImporting

In 29.4 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWPumping

Generated 1.0 GWhPumped 2.9 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.