{"id":6753,"date":"2026-07-26T12:30:00","date_gmt":"2026-07-26T17:30:00","guid":{"rendered":"https:\/\/okdiario.com\/techy\/en\/?p=6753"},"modified":"2026-07-25T18:00:00","modified_gmt":"2026-07-25T23:00:00","slug":"switzerland-hid-the-worlds-first-solar-plant-between-railway-tracks-one-year-on-neighbors-want-in","status":"publish","type":"post","link":"https:\/\/okdiario.com\/techy\/en\/switzerland-hid-the-worlds-first-solar-plant-between-railway-tracks-one-year-on-neighbors-want-in\/6753\/","title":{"rendered":"Switzerland hid the world’s first solar plant between railway tracks: one year on, neighbors want in"},"content":{"rendered":"\n

Putting photovoltaic panels directly beneath an active train sounds like the kind of clean-energy idea that might fail the first time winter, vibration, or a maintenance crew arrives. <\/p>\n\n\n\n

In Buttes, Switzerland, the world\u2019s first removable solar power plant on a working rail line has now been crossed by more than 11,000 trains without a reported safety incident or disruption to daily service. <\/p>\n\n\n\n

The early result is simple but important, since a railway may be able to carry passengers above and generate electricity below.<\/p>\n\n\n\n

The plant is tiny by utility standards, covering just 328 ft. of track and producing more than 16,000 kilowatt-hours since May 2025. Still, its real value is not the power from one village line, it is the possibility of using existing rail corridors for solar generation without occupying additional land<\/a>.<\/p>\n\n\n\n

A solar plant under the wheels<\/h2>\n\n\n\n

Sun-Ways installed the Buttes system<\/a> on April 24, 2025, placing 48 panels rated at 380 watts between the rails and on top of the railroad ties. Together, they provide 18 kilowatts of peak capacity and send their electricity into the local grid. The three-year pilot is scheduled to continue through April 2028.<\/p>\n\n\n\n

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The important part is not the panel itself. It is the removable mounting system, which lets rail crews reach the track when they need to replace a tie, inspect equipment, or carry out welding. Sun-Ways founder Joseph Scuderi told Swissinfo, \u201cWe have achieved our objectives, both in terms of railway safety and electricity production.\u201d<\/p>\n\n\n\n

The safety test came first<\/h2>\n\n\n\n

Trains on the line can travel at up to about 56 mph, and the installation has remained in place through more than 11,000 passages. TransN, the public operator responsible for the route, reported no operational conflict and said, \u201cThere have been no conflicts with infrastructure, maintenance, or train traffic.\u201d <\/p>\n\n\n\n

It also received no reports that reflected light had dazzled train drivers.<\/p>\n\n\n\n

That absence of drama matters in rail engineering. Solar output can be measured quickly, but safe coexistence with inspections, snow, vibration, and tightly timed maintenance takes longer to establish. That is why SNCF is using the Swiss pilot to study panel installation and removal, glare, track inspection, dirt buildup, output, and maintenance impacts through 2028.<\/p>\n\n\n\n

\"Solar
Switzerland’s pioneering railway solar project has successfully endured over 11,000 passing trains, sparking international interest from rail operators.<\/figcaption><\/figure>\n\n\n\n

The power figure needs context<\/h2>\n\n\n\n

Since May 20, 2025, the pilot has generated more than 16,000 kilowatt-hours, despite being shut down for roughly a month because of snow and planned technical work. That is about the yearly electricity use of three or four Swiss households. Small? Yes, but the first job of this project was to show that solar equipment could share a working railway safely.<\/p>\n\n\n\n

Sun-Ways estimates that suitable sections across Switzerland\u2019s 3,306-mile rail network could produce as much as 1 billion kilowatt-hours per year. By the company\u2019s calculation, that would cover the annual use of about 300,000 homes, or close to 2% of the country\u2019s electricity consumption. <\/p>\n\n\n\n

Those are projections, not measured national results, and they depend on sunlight, tunnels, maintenance schedules, grid access, and cost.<\/p>\n\n\n\n

Railways offer something solar farms cannot<\/h2>\n\n\n\n

The quiet advantage is land. The strip between active rails cannot also serve as a farm or building site, so using it for solar could add generation without claiming a second parcel<\/a>. In practical terms, that may avoid some of the siting disputes that can slow renewable projects.<\/p>\n\n\n\n

Installation is also designed to be mechanized. A special machine developed with Swiss rail contractor Scheuchzer can reportedly lay up to 984 ft. of panels per hour<\/a>, while a three-panel module measuring about 20 ft. can be disconnected and removed in roughly 10 minutes. <\/p>\n\n\n\n

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Scuderi also said airflow from passing trains has prevented troublesome dust buildup, reducing the need for the brush system first considered.<\/p>\n\n\n\n

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