Learn about the evolution of demand, supplies and details of the System's operation over the last year.
Increase total transport demand (vs. 2024)
TWh Total national demand (+6,3% vs. 2024)
Increase electricity service (vs. 2024)
Increase exports (vs. 2024)
Countries that have supplied natural gas to the System
Unloading slots allocated until 2040
Loading slots allocated until 2040
Vessel unloading
Demand for transported natural gas increased by 7.4% in 2025 to 372 TWh, mainly due to increased demand for electricity generation, by 33.4%, and exports, which increased by 17.3%.
In 2025, total domestic natural gas consumption amounted to 331,5 TWh, 6.3% more than the previous year. This figure is due to higher consumption in the electricity market (+24.9 TWh), as a result of lower wind power generation, increased electricity demand and cross-border flows through international connections.
Conventional demand, for household, commercial and industrial consumption, decreased by 2.2% compared to the previous year, to 231.8 TWh, mainly due to lower industrial consumption.
International demand for natural gas, which includes exports via international connections and ship cargoes, increased by 17.3% in 2025, to 40.5 TWh. This increase was mainly due to higher export flows in the Pyrenees VIP, where the connection became a net exporter in 2025.
Learn about the evolution of conventional demand and the electricity sector over the last five years.
Daily peaks reached in 2025 were:
The Autonomous Communities that reported the highest consumption of natural gas in 2025 were Catalonia, Andalusia, Valencia and Madrid. Between them they account for almost half of the total consumption of natural gas in Spain.
In 2025, natural gas supplies reached 372,498 GWh.
For the seventh consecutive year, supplies in the form of liquefied natural gas (LNG) exceeded those of natural gas.
The entry of LNG accounted for 67% of the gas supply for the Spanish Gas System.
In the supply portfolio, Algeria has become the main supplier to the Spanish Gas System, accounting for 35% of supplies. In 2025, LNG came from 16 different origins.
