Spain launched a request for information from train manufacturers to assess the potential of replacing diesel traction with alternative technologies and prepare a new electrification strategy by the end of 2026. This is reported by the railway transport news portal Railway Supply.

Spain launched a request for information from train manufacturers to assess the potential of replacing diesel traction with alternative technologies and prepare a new electrification strategy by the end of 2026
Photo: Wikipedia

Spain and the choice between electrification and innovation

The Ministry of Transport and Sustainable Mobility initiated a data collection process on rolling stock powered by hydrogen and traction batteries. This pilot covers six secondary lines where diesel remains the only option.

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The campaign will run until September 2025, and its results will form the basis of a techno-economic analysis. Comparing the costs of electrification with the deployment of alternative solutions will define future investment priorities.

Spain and the role of regional railway lines

The selected routes include Ávila — Salamanca, Torralba — Soria, Huesca — Canfranc, Cáceres — Valencia de Alcántara, Zafra — Huelva, and Mérida — Los Rosales. These lines connect small cities and ensure mobility for sparsely populated regions.

National infrastructure operator Adif manages a 11,672 km-long rail network, with electrification covering just 57.5% of it. Authorities are therefore looking for a balance between capital-intensive modernization and faster green solutions.

Hydrogen and battery trains can reduce emissions, but they require extra infrastructure investment. Electrification, however, remains the most reliable option, since it provides long-term efficiency and predictable operational costs.

FAQ

What are Spain’s railway plans?

Spain is preparing a strategy to replace diesel trains with hydrogen or battery-powered units while also considering network-wide electrification.

Can diesel trains be fully replaced with alternative technologies?

Yes, but the decision depends on a techno-economic study. Policymakers must weigh infrastructure costs against the environmental benefits.

When will Spain finalize its new electrification strategy?

The government plans to complete the strategy by the end of 2026, in line with its commitments to the European Commission.

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