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SNCF and Sun-Ways have identified a potential area of 38 million square meters along railways in France for solar energy generation. Sun-Ways initiated a pilot project in April 2025 in Neuchâtel, utilizing 48 removable photovoltaic panels on 100 meters of track to produce around 16,000 kWh annually.

SNCF, a major electricity consumer and landowner, has partnered with Sun-Ways to assess this technology until 2028. The project aims to generate local energy for stations and train operations, potentially transforming railway infrastructure into a significant renewable energy source.