Solar Modules Between Railway Tracks: First Results from Buttes
Published
Since April 2025, the Swiss start-up Sun-Ways has been testing solar modules installed between the railway tracks in Buttes in the canton of Neuchâtel. The modules can be removed again. After one year, the company is now drawing a first conclusion from the operation.
The idea behind it is simple: areas next to railway lines often offer a lot of unused space. Such modules can generate electricity without additional landscape being built over. The installation in Buttes is a trial to examine how the technology works in everyday use and whether it proves itself in railway operations.
For Switzerland, such a project is particularly interesting. The country wants to significantly expand its electricity production from solar energy in the coming years, and suitable sites are scarce. At the same time, railway operations must remain safe and reliable, which is why tests like this one are important.
The first year of operation shows how the modules behave under real-world conditions. Further results and experience will show whether the concept can also be implemented in other locations.
Sources: Denkstrom
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