Ren operates portugal’s electricity and natural gas transmission networks, ensuring the secure and efficient management of national energy systems. H2med 13 november 2025 9m2025 Period with positive results in line with expectations Find out how we evaluate our performance, together with indicators and prospects and how we present this information to the public Under the concession contract with the portuguese government, ren develops and operates the portuguese national transmission network, which covers the whole of mainland portugal and the interconnections with the spanish electricity grid.
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