The 2.2 megawatt plant is expected to produce enough electricity from its 5,000 solar units to power 740 four-person households.
Energy company Axpo expects the plant to be completed in September. However, weather conditions could affect the timetable as materials have to be brought in by helicopter to the remote site by the Muttsee dam in central Switzerland.
The plant is expected to cost CHF5.5 million ($6 million) but the future electricity output has already been sold, most notably to the Denner supermarket chain that has signed up for this electricity supply for the next 20 years.
It is being built at such a high elevation to avoid fog and low cloud that collects in the region. For this reason, it is expected to produce more electricity than lower-lying photovoltaic plants, including in winter.
The alpine state is decommissioning its nuclear power plants and intends to fill the energy gap from renewable sources.
Nearly 50% more solar panels were erected in Switzerland last year compared to 2019, covering 4.7% of Switzerland’s entire energy consumption (3.8% in 2019). But industry body Swissolar says the number of installations will have to increase 15-fold to meet renewable energy targets.
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The world’s first high-altitude floating solar power plant may be a sign of things to come for the global photovoltaic industry.
Train vs plane: would you take a direct train between London and Geneva?
Eurostar is planning to run direct trains from Britain to Germany and Switzerland from the early 2030s. Would you favour the train over the plane? If not, why not?
Man charged with flying drone at women’s Euro 2025
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A man flew a drone around the venue on Wednesday evening during the first match of the Women's EURO 2025 in St. Gallen. The 30-year-old violated the absolute ban on flying during match days. He was reported to the police.
More than 250 Swiss companies sign CO2 reduction initiative
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A total of 257 companies from Switzerland have signed up to the Science Based Targets Initiative (SBTi). In doing so, they are committing to CO2 reduction targets that are compatible with the Paris Climate Agreement.
Swiss accident prevention group sees federal targets at risk
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The Swiss government's target for accident figures is at risk, reckons Mario Cavegn, member of the executive board of the Swiss Council for Accident Prevention.
Feminicide: Swiss justice minister calls for electronic monitoring
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Swiss Justice Minister Beat Jans has called for electronic monitoring and an ankle bracelet warning system for perpetrators of violence against women.
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American artist Chaka Khan ‘and friends’ opened the 59th Montreux Jazz Festival on Friday. For over three hours, their show, dedicated to their friend and mentor Quincy Jones, thrilled the audience,
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Swiss solar power breaks records but still misses targets
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Despite a record-breaking increase in solar panel installation, Switzerland is far away from its target of shifting away from non-renewables.
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The world’s first high-altitude floating solar power plant may be a sign of things to come for the global photovoltaic industry.
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Is Switzerland, one of the world’s most environmentally conscious societies, in danger of moving backwards on green projects?
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If you want to start a conversation about a topic raised in this article or want to report factual errors, email us at english@swissinfo.ch.