vacuum tube collector

  • Strong vacuum tube collector sales in India

    Strong vacuum tube collector sales in India

    Despite a booming solar PV market, India’s solar thermal industry managed to increase sales by as much as 17 % in 2018. It sold 5.85 million vacuum tubes (2017: 4.59 million), with Chinese imports increasing by 28 %. By contrast, flat plate collector sales dropped 46 % (147 MWth...
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  • Photo: Jaideep N. Malaviya

    Indian manufacturers face strong competition from Chinese imports

    Vacuum tube-based solar water heaters imported from China are posing a serious threat to the viability of domestic manufacturing in India. This was the key message from the STFI, the Solar Thermal Federation of India, at a mid-January consultation meeting of the Parliamentary Standing...
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  • India: Statistics to Determine Vacuum Tube Market Share

    India: Statistics to Determine Vacuum Tube Market Share

    Flat plate collectors – India’s dominant solar thermal technology about a decade ago – has lost a significant portion of its market share in recent years. Although the Ministry of New and Renewable Energy (MNRE), the Indian authority responsible for solar heating...
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  • India: First Vacuum Tube Testing Centre Established

    India: First Vacuum Tube Testing Centre Established

    The School of Energy Studies at Savitribai Phule Pune University, located in Maharashtra state, has set up India’s first vacuum tube testing centre. The investment was around INR 4 million (about EUR 50,000) and was funded entirely by the Ministry of New and Renewable Energy (MNRE...
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  • India: New Standards for Vacuum Tube Collectors and their Storage Tanks

    India: New Standards for Vacuum Tube Collectors and their Storage Tanks

    The Indian Ministry of New and Renewable Energy (MNRE) has specified the standard requirements for evacuated solar collector tubes intended for non-concentrating solar collectors and related storage tanks. The increasing share of Vacuum Tube Collector (VTC) systems imported to India had...

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  • India: Drop Vacuum Tube Collector Subsidy?

    India: Drop Vacuum Tube Collector Subsidy?

    To protect local solar photovoltaic manufacturers, the Indian government has made it mandatory in its National Solar Mission to use locally made cells and modules. There is no such rule for the solar thermal sector, in which the state subsidises 30 to 60 % of the price of a solar water...

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  • USA Market Statistic: China as Biggest Collector Importer

    USA Market Statistic: China as Biggest Collector Importer

    About 200,000 m2 of flat plate and vacuum tube collectors were shipped throughout the US-American market in 2008, according to the annual statistics of the Energy Information Administration (EIA). The annual report was published in January 2010, four months later than announced...

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  • Switzerland: Comprehensive Market Survey of Swissolar

    Switzerland: Comprehensive Market Survey of Swissolar

    2008 was a very good year for the solar thermal market in Switzerland: The figure shows the annually sold collector area of different technologies. Source: Swissolar market studies Solar Energy 2005 to 2007

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  • “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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  • 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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