Helvetic Energy

  • Switzerland: Shift towards Multi-Family Housing Projects

    Switzerland: Shift towards Multi-Family Housing Projects

    In June, the Swiss Federal Office of Energy published its annual solar market report carried out by the solar energy association Swissolar (see the attached document in German and French). In 2014, sales of glazed collectors dropped by 7 %, down to 113,000 m² of absorber area....
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  • Switzerland: Solar Association Calls for Actions to Push Market

    Switzerland: Solar Association Calls for Actions to Push Market

    In 2011, the newly-installed collector area for hot water and space heating in Switzerland increased by around 1.5% compared to the previous year. This is the result of a recent market survey that has been conducted on behalf of the Swiss industry association Swissolar. A total of 100,000...

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  • Germany: Vacuum Tube Collectors withstand 40 mm Hailstones

    Germany: Vacuum Tube Collectors withstand 40 mm Hailstones

    The extra-thick double-glass vacuum tubes by German company Soltark have survived a test with 40 mm hailstones at the Swiss test institute SPF Solartechnik in Rapperswil. A systematic investigation of vacuum tubes at SPF Rapperswil two years ago showed that most of the 26 tested...

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