Laying solar panels between the rails in Switzerland

Switzerland turns train tracks into solar power plants - https://news.ycombinator.com/item?id=43833883 - April 2025 (3 comments)

Switzerland is installing solar panels in train tracks - https://news.ycombinator.com/item?id=36199930 - June 2023 (0 comments)

Switzerland is turning the gap between train tracks into a ‘solar carpet’ - https://news.ycombinator.com/item?id=36166099 - June 2023 (6 comments)

Laying solar panels between the rails in Switzerland (nytimes.com)