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?
Swiss price watchdog negotiates lower fees for card payments
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Small businesses in Switzerland will have to pay fewer fees for cashless payments from customers over the next few years.
Lakes in Central Switzerland have best water quality for bathing
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Anyone who swims in a lake in Central Switzerland need have no fear of infection from intestinal bacteria. The water samples taken at 65 bathing sites in 13 lakes all have good to excellent bathing water quality.
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Unknown assailants have stolen a historic ring from a Basel museum. The stolen item was a gift from Russian Tsar Alexander I to his host in Basel in 1814.
More May hotel guests in Basel than at any time in past 90 years
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Basel hotels recorded 150,854 overnight stays for the Eurovision Song Contest in May. This corresponds to a year-on-year increase of 8.4%.
Demand remains high for rental flats in Switzerland
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More rental flats are once again being advertised on property portals in Switzerland. However, demand also remains very high.
One in five Europeans exposed to too much traffic noise
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More than one in five Europeans are exposed to unhealthily high levels of traffic noise, according to the European Environment Agency (EEA).
New living space through densification often comes at expense of the poor
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If demolition and new construction are carried out and tenants have to make way, low-income households are affected more often than average.
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The ceasefire in the Iran-Israel war has visibly eased tensions on the financial markets. The SMI, Switzerland's leading stock market index, has risen above the 12,000 point mark again.
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.
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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.