All new buildings with large roofs must have solar panels installed. The law will apply to all new builds with a roof space of more than 300 m2.
But parliament has rejected a campaign to also include renovations and is still discussing solar panels for parking spaces.
The move comes after voters in canton Valais rejected building solar farms in the Alps.
Commentators suggested the people wanted buildings to be prioritized for solar panels before installing them in the mountains.
Annecy mayor visits local school
Antoine Armand, elected mayor of Annecy in March, has made his first back-to-school visit as head of the cross-border city, meeting pupils and teachers at Cran-Gevrier's Vernay school on Tuesday morning
Climate change affecting rainfall patterns
Rain in Switzerland is falling less often but more heavily when it does, and the trend is likely to continue, according to MeteoSwiss
More security checks after Aarau shooting
Every big public event is likely to face tighter security after the fatal Aarau festival shooting, according to former national security chief André Duvillard
Swiss Life job losses
Zurich-based insurer Swiss Life will cut around 600 jobs by the end of 2028, with half of them in Switzerland
Crans Montana bar missed crucial checks
The security officer for Chermignon has told Valais prosecutors that no proper inspection of the Constellation bar ever took place before it opened in December 2015
Fire cause revealed
Authorities now believe a lithium battery may have triggered Friday's warehouse fire at the Thévenaz-Leduc recycling site in Ecublens, though the cause has not yet been formally confirmed
