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NewswireTODAY - /newswire/ -
Heidenheim, Baden-Württemberg, Germany, 2026/06/15 - Voith is modernizing two additional pump-turbines at the Torrejón hydroelectric power plant in Spain - Iberdrola.com / Voith.com. FSE: VO2A
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• Modernization of two pump-turbines, each with a capacity of 43 MW;
• Follow-up contract from Iberdrola Generación S.A. following the ongoing modernization of pump-turbines 3 and 4 at the Torrejón pumped-storage power plant;
• Initial commissioning planned for 2028.
The contract from Iberdrola Generación S.A. (iberdrola.com) builds on an ongoing modernization project and continues the collaboration on the phased modernization of the plant.
The new contract involves the modernization of the two remaining pump turbines, 1 and 2. Each of the two units has a capacity of 32.5 MW in turbine mode and of 43 megawatts in pump mode. Work on the plant is scheduled to begin in 2027, with initial commissioning planned for 2028. As with turbines 3 and 4 which Voith was contracted to modernize in 2020, these units will also be designed for variable-speed operation.
As part of the modernization, Voith is adapting key plant components to the requirements of variable-speed operation. In doing so, the company is creating the technical conditions necessary for the turbine sets to respond more flexibly to fluctuations in the power grid in the future. Compared to the previous operation at constant speed, this enables improved controllability as well as efficiency gains in pump and turbine operation a significant contribution to the future viability of the existing plant.
The modernization allows us to respond better to changing grid requirements and to better maximize the plant’s potential. For the implementation, we can build on the positive experiences gained during the first phase of the project. This made the decision to move forward to the next step much easier.
Fernando Perán Montero - Project Director at Iberdrola Generación S.A.
The upgrades will adapt the proven infrastructure to new requirements, further strengthening the role of hydropower as a flexible component in the energy system. “Such modernizations require a deep understanding of the plant and its integration into the overall system,” says Andi Schmiedel, Head of Proposal at Voith Hydro. “We look forward to contributing our proven expertise here and continuing to implement the modernization of the site together with Iberdrola.”
About the Voith Group
The Voith Group (voith.com) is a global technology company. With its broad portfolio of systems, products, services and digital applications, Voith sets standards in the markets of energy, paper, raw materials and transport. Founded in 1867, Voith today has around 21,000 employees, sales of € 4.8 billion and locations in over 60 countries worldwide and thus is one of the larger family-owned companies in Europe.
About Voith Hydro
The Group Division Voith Hydro is part of the Voith Group and a leading full-line supplier as well as trusted partner for equipping hydropower plants. Voith develops customized, long-term solutions and services for large and small hydro plants all over the world. Its portfolio of products and services covers the entire life cycle and all major components for large and small hydro plants, from generators, turbines, pumps and automation systems, right through to spare parts, maintenance and training services, and digital solutions for intelligent hydropower.
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tamara.lemm[.]voith.com 
