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Israel: Winter Hail Storm Boosts Replacement Rate

Submitted by Baerbel Epp on May 31, 2016
ElsolLast year, the Israeli market saw a significant increase in newly installed glazed collector area, showing a total of 428,750 m² or a 9 % increase compared to the previous year. Eli Shilton, Managing Director of Israeli solar thermal system supplier Elsol, believes that a hail storm last winter was responsible for the greater demand for system replacement. “Since local collectors have standard glass covers, the hail storm broke a lot of the glass,” Shilton explained and added: “People are not worried about it, as the systems were covered by insurance and most owners will be reimbursed for all of the damage caused.” Thirty years of experience have made Eli Shilton a well-recognised expert in the Israeli solar thermal industry. The photos show centralised solar thermal systems on new multi-family buildings in Israel.
Photos: Elsol
 

Germany: Vacuum Tube Collectors withstand 40 mm Hailstones

Submitted by Baerbel Epp on June 30, 2011

 Hail map of Switzerland” 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 vacuum tube collectors were damaged after several hits with 35mm hailstones. In large parts of Switzerland, however, hail with a thickness of 30 mm must be expected at least once in 50 years (red-coloured areas in the above map). More and more Swiss building insurers are adopting rules for the hail resistance of solar collectors, which the owners hope to incorporate into already existing insurance contracts.

Source: www.hagelregister.ch

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