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

Die Schweizer Solarstrecke funktioniert — und Italien plant eine eigene

EURONEWS

Das Schweizer Start-up Sun-Ways installierte im April 2025 in Buttes im Kanton Neuenburg 48 Photovoltaik-Module zwischen aktiven Gleisen. Ein Jahr und 11.000 Zugdurchfahrten später hat die Anlage 16.000 kWh produziert — ohne Sonderwartung und ohne Sicherheitsvorfälle. Auf das 5.320 km lange Schweizer Netz ausgerollt, könnte die Technologie 1 TWh pro Jahr erzeugen.

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