Report 2025
The Spanish electricity system
Information based on provisional data from January, 2026
Transmission of electricity
Total length of line circuit in the national grid
46,155 Km
Installed transformer capacity nationwide
99,071
MVA
Electricity Generation
Electricity Generation in the national system
272,201 GWh
3.7%
Compared to 2024
Electricity markets
Impact of the day-ahead and intraday market in the composition of the final price of energy
80.9 %
Final energy
3.2%
Compared to 2023
Scheduled international electricity exchanges
Import balance 2025
13,008 GWh
27,8%
Compared to 2024
European landscape
Renewable generation in all ENTSO-E member countries
47.9 %
-0.5p.p.
Compared to 2024
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