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  • Solar Obligation for Public Buildings in Namibia (2007)

    Solar Obligation for Public Buildings in Namibia (2007)

    Namibia has successfully implemented a directive in 2007 which requires SWH on all new public buildings, on existing public buildings without water heaters and existing public buildings with electric geysers. Namibia could reduce its peak electricity demand by almost 20 MW thanks to this...

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  • Solar obligation by the state of Rio de Janeiro, Brazil

    Solar obligation by the state of Rio de Janeiro, Brazil

    The state of Rio de Janeiro is the front runner in terms of solar building codes on a state level. In January 2008, its state government approved a law that makes the installation of solar water heating systems mandatory for public buildings.

     

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  • Solar Obligation by the Municipality in São Paulo

    Solar Obligation by the Municipality in São Paulo

    The huge city of São Paulo, with its approx. 19 million inhabitants, approved the first solar obligation on a municipality level in July 2007. Solar water heaters have since become mandatory in a wide range of new residential and non-residential buildings.

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  • Cape Town: Draft of Solar Water Heating Bye-law

    Cape Town: Draft of Solar Water Heating Bye-law

    Currently, solar water heating systems have hardly penetrated in Cape Town, South Africa. Only 2 % of city’s 906,000 households use solar energy. The planned bye-law should boost the market to 76,000 newly installed system in the next two years, but has been delayed due to continuous legal...

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  • Renewable heating law in Germany: solar - an option among others

    With the Renewable Heating Law (EEWärmeG) the German government aims at increasing the share of renewable energy in the heating demand from 6 to 14 % until 2020. From 1 January, 2009 on owners and operators of private, commercial and public buildings will have to provide a minimum share of their...

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  • Solar Obligation in Barcelona: Pioneers in Europe

    The Barcelona Solar Thermal Obligation was the first of its kind adopted in a large European city. The first version entered into effect in August 2000. The revised version was approved in February 2006. Main changes are that the regulations now apply to more buildings and that the solar...

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