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arXiv · 2610.00043

New VSC-HVDC interconnection between the Iberian Peninsula and Balearic Archipelago to enable energy transition

Javier Renedo·Silvia Sanz Verdugo·Antonio Cordón·Belén Segura·David Castañeda·Rosalía Rivas·Patricia Labra
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Abstract

One of the challenges of the Spanish Transmission System Operator (TSO) is the decarbonisation of the Balearic Archipelago, by means of the integration of Renewable Energy Sources (RES) in the islands, as well as increasing the transmission capacity between the Iberian Peninsula and the Balearic Islands. Since the Balearic Archipelago is an island power system, the decarbonisation brings challenges related to power system stability and operation. A new High Voltage Direct Current (HVDC) interconnection between the Iberian Peninsula power system and the Balearic Islands power system is planned to facilitate the decarbonisation of the Balearic Archipelago (PEN-BAL2 Project). The HVDC link will be based on Voltage Source Converter (VSC) technology and will consist of a bipole of 2x200 MW, a DC voltage of +-250 kVdc and +100/-150 Mvar of reactive power capacity for each converter station. One converter station will be connected to a future El Fadrell 400 kV substation (Castellón, Valencia, Iberian Peninsula), while the other converter station will be connected to the existing San Martín 220 kV substation (Mallorca Island, Balearic Islands). The link will have HVDC submarine cables of 363 km (approx.).This paper will describe the challenges for energy transition in the Balearic Archipelago, technology enablers in general and PENBAL2 VSC-HVDC interconnection.

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BibTeXRIS

Javier Renedo, Silvia Sanz Verdugo, Antonio Cordón, Belén Segura, David Castañeda, Rosalía Rivas, Patricia Labra. 2026-09-03. New VSC-HVDC interconnection between the Iberian Peninsula and Balearic Archipelago to enable energy transition. https://arxiv.org/abs/2610.00043

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