Swiss startup Sun-Ways installed 48 photovoltaic panels between active tracks in Buttes, canton Neuchâtel, in April 2025. One year and 11,000 train passes later, the plant has produced 16,000 kWh, required no special maintenance, and caused no safety issues. If rolled out across Switzerland's 5,320-km network, the technology could generate 1 TWh a year.
(c) Ann H

La voie ferrée solaire suisse est un succès — et l’Italie veut suivre

EURONEWS

La start-up suisse Sun-Ways a installé en avril 2025 48 panneaux photovoltaïques entre des voies actives à Buttes, dans le canton de Neuchâtel. Un an et 11 000 passages de trains plus tard, l’installation a produit 16 000 kWh, sans maintenance particulière ni incident de sécurité. Déployée sur les 5 320 km du réseau suisse, la technologie pourrait générer 1 TWh par an.

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