News

  • “There is an unbeatable Cost-Effectiveness“

    “There is an unbeatable Cost-Effectiveness“

    Volker Kallwellis, head of development department at Wagner & Co Solartechnik, Cölbe, Germany published the following statement in the international magazine Sun & Wind Energy 7/2009 about the advantages of flat plate collectors. Photo: Wagner & Co

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  • Solar-supported 2-pipe Heating Networks in Multi-family Houses (2004)

    Solar-supported 2-pipe Heating Networks in Multi-family Houses (2004)

    A challenge for planners: Solar energy is used a lot in multi-storey residential buildings in Austria. The Austrian Institute for Renewable Technologies, AEE Intec, published a handbook of solar-supported heating networks in 2004. Photo: Tisun / Austria Solar

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  • Effects of the Spanish Solar Thermal Obligation

    Effects of the Spanish Solar Thermal Obligation

    David Pérez from the international consultancy firm eclareon, Madrid, took a closer look at the impact of the Spanish solar thermal obligation on demand, products and the value chain, and presented his conclusions at the European Solar Thermal Energy Conference (estec2009) in May...

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  • Large-Scale Solar District Heating in Denmark

    Large-Scale Solar District Heating in Denmark

    802 collectors mounted in only three months: the inauguration of the latest solar district heating system by the Danish collector manufacturer Arcon Solvarme took place in the town of Gram in June this year. Photo: Arcon

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  • China: Linuo Solar runs five Solar Glass Tubing Factories

    China: Linuo Solar runs five Solar Glass Tubing Factories

    The Chinese Linuo Solar Energy Group is the biggest solar tubing glass manufacturer worldwide – and is still growing at a fast rate: The group raised their production output by 70 % in 2008, produced 220,000 tons of borosilicate glass nationwide and sold the largest portion of it to the...

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  • 5 Star Standard: Western Australia Adds the “Plus”

    5 Star Standard: Western Australia Adds the “Plus”

    The Government of Western Australia aims to increase the efficiency of water heating systems in new residential buildings.  The 5 Star Plus energy and water efficiency requirements stipulate that new home builders install either an energy efficient gas water heater, a solar water heater or...

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  • Australia:  AUD 500 for a Solar Water Heater in Queensland

    Australia: AUD 500 for a Solar Water Heater in Queensland

    “It's never been more affordable for Queenslanders to switch to solar and save with the Queensland Solar Hot Water Program," Stephen Robertson, the Minister for Natural Resources, Mines and Energy, said. Photo: Government of Queensland

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  • Washed Glass: 24-hour Just-in-Time Supply

    Washed Glass: 24-hour Just-in-Time Supply

    Greenonetec in Austria is the first collector factory in Europe that has its own glass supplier next door. Petraglas set up a production unit just across the road. This is a model already standard in China, where the material suppliers are situated in the same industrial area as the...

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  • Mexico City Shows the Way to Solar Obligations in Central America

    Mexico City Shows the Way to Solar Obligations in Central America

    Larger flat plate collector systems are gaining momentum in Mexico city, thanks to a Environmental Norm which makes solar water heaters mandatory. The photo shows a 144 m2 collector field of a public swimming pool in the district of Miguel Hidalgo in Mexico City. Quelle: GTZ...

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