All interconnectors
Sat 18 Oct- Imported
- 129GWh
- Exported
- 26GWh
- Net in
- 103GWh
- Average net flow
- 4.31GW in
Into Great BritainOut of Great Britain
Great Britain’s electricity on Saturday 18 October 2025
On Saturday 18 October, demand averaged 28.2 GW. Renewables supplied 30%.
Price
£84.99/MWh
Day average £84.99
Demand28.2GW
Generation 23.8Transfers 4.4
Fossil fuels30%
Renewables30%
Other40%
Carbon intensityModerate
144g/kWh
0Day average 144300
Key moments
On Saturday 18 October 2025, gas supplied 30% of Great Britain’s electricity and wind 27%. Demand peaked at 34.4 GW at 18:50. Carbon intensity averaged 144 g/kWh and the price £84.99/MWh. Wind generation peaked at 14.9 GW at 21:30. Solar generation peaked at 2.4 GW at 12:30. Carbon intensity was lowest at 23:30 (60 g/kWh) and highest at 00:00 (192 g/kWh). The wholesale price ranged from £70.41/MWh at 20:30 to £109.86/MWh at 18:00. Gas made 37% of the electricity generated in Great Britain, compared with 32% across 2025.
Charts
Generation, demand, price and carbon
0
10
20
30
40
00:0006:0012:0018:00
Solar 0.592.0%Wind 7.8426.7%Gas 8.8830.3%Hydro 0.331.1%Biomass 2.177.4%Nuclear 4.0013.6%
0
50
100
150
00:0006:0012:0018:00
£71.98
0
100
200
00:0006:0012:0018:00
60 g
0
10
20
30
40
Demand 25.1Generation 22.9Transfers 2.2
00:0006:0012:0018:00
Demand 28.2avgGeneration 23.8avgTransfers 4.4avg
Peak demand34.4GW · 18:50
Low 21.4 · 05:05Avg 28.20–40 GW
Made in Great Britain84%of demand
Generation 23.8Transfers 4.4 GW
Net imports103GWh
In129
Out26
Zero-carbon share54%of generation
Nuclear 17%Hydro 1%Wind 33%Solar 2%
Transfers · Sat 18 Oct
Interconnectors and storage
On Saturday 18 October 2025, Great Britain imported 129 GWh and exported 26 GWh through its interconnectors. The most came from France (69 GWh), and the most exports went to Denmark (11 GWh).
Belgium
Nemo LinkAverage0.32GWImporting
-2
0
2
4
00:0006:0012:0018:00
In 9.3 GWhOut 1.6 GWh
Denmark
Viking LinkAverage0.21GWExporting
-2
0
2
4
00:0006:0012:0018:00
In 6.1 GWhOut 11.2 GWh
France
IFA · IFA2 · ElecLinkAverage2.88GWImporting
-2
0
2
4
00:0006:0012:0018:00
In 69.0 GWhOut 0.0 GWh
Ireland
Moyle · East–West · GreenlinkAverage0.03GWExporting
-2
0
2
4
00:0006:0012:0018:00
In 4.6 GWhOut 5.2 GWh
Netherlands
BritNedAverage0.03GWExporting
-2
0
2
4
00:0006:0012:0018:00
In 7.3 GWhOut 8.1 GWh
Norway
North Sea LinkAverage1.38GWImporting
-2
0
2
4
00:0006:0012:0018:00
In 33.2 GWhOut 0.0 GWh
Pumped storage
Dinorwig · Cruachan · Ffestiniog · FoyersAverage0.12GWGenerating
-2
0
2
4
00:0006:0012:0018:00
Generated 3.2 GWhPumped 0.4 GWh
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