District Heating

  • Large-scale solar heat is cost-competitive in Germany

    Large-scale solar heat is cost-competitive in Germany

    In Germany, seven solar district heating plants with a total capacity of 26.6 MWth either came online or are still under construction this year. This is a significant increase compared to the end of 2018, when total SDH capacity reached 43 MWth (33 systems) according to Solites, a research...
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    From S.O.L.I.D. to Solid: differing views on a complicated story

    Solid Energy Systems is a newly founded company based in Graz, Austria. It employs 21 of the 30 staff members who used to work at S.O.L.I.D. Gesellschaft für Solarinstallation und Design, which first became insolvent and then went into administration at the end of June 2019. Solid Energy...
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  • Photo: Solareast Arcon-Sunmark

    Second Arcon-Sunmark SDH system up and running in Tibet

    In the middle of November, Chinese-Danish joint venture Solareast Arcon-Sunmark Large-Scale Solar Systems Integration started up its second solar district heating system in Tibet. Now, its 35,000 m² solar field is supplying the thermal energy needed for heating rooms in thousands of...
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  • Photo: Abu Dhabi’s Department of Energy

    First district cooling regulation in the MENA region

    Abu Dhabi now has its first comprehensive regulatory standard on district cooling. It is based on Act No. 11, which was passed in 2018 and put the responsibility for regulating the district cooling sector on the newly founded emirate’s Department of Energy. Following extensive consultations...
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  • Photo: Salaspils Siltums

    15 MW SDH plant inaugurated in Latvia

    On 12 September, district heating operator Salaspils Siltums inaugurated a 21,672 m² solar field and a wood chip boiler, put up in the middle of the woods near the town of Salaspils, Latvia, to meet 90 % of demand from the local heat network. The inauguration came after a three-week test...
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  • Photo: Fivestar

    Green heat policies in China benefit heat pumps

    Several provinces in northern China have implemented green heat policies to avoid air pollution from coal boilers. Beijing was the first province to create a policy in 2016 and others, such as Hebei and Shan Xi, then followed suit. Heat sources and technologies recognised as renewable in...
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  • Photo: Bioenergie Wärmeservice

    Support for 90 Heat Network 4.0 feasibility studies

    On 1 July 2017, the German economy ministry began its support for feasibility studies on climate-friendly heat networks and their subsequent construction. At the time of writing, BAFA, the government agency managing the Heat Network 4.0 programme, said it had approved 90 studies and the...
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  • Illustration: PlanEnergi

    Danish SDH market reaches new milestone

    Denmark has consolidated its lead in the global solar district heating market, as capacity topped 1 GWth in August. The 120 solar district heating plants that are now in operation throughout the country total 1.1 GWth (around 1.6 million m²), according to statistics...
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  • Best practice examples of urban solar projects exceed expectations

    Best practice examples of urban solar projects exceed expectations

    Researchers working for the IEA Solar Heating and Cooling programme have created a list of urban solar heat projects that not only met but exceeded the ambitious aims set for them initially: Seven best-practice examples and two scoping studies of systems in Austria, Denmark, Germany, Sweden...
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  • Construction starts on Germany's largest SDH plant

    Construction starts on Germany's largest SDH plant

    On 21 June, local utility Stadtwerke Ludwigsburg-Kornwestheim (SWLB) was given the go-ahead to put up Germany's largest solar thermal field, a flat plate collector installation measuring 14,800 m² (9 MWth). Once it comes online, presumably by the end of this year, it will...
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  • Production line for Solar Keymark-certified parabolic trough collectors

    Production line for Solar Keymark-certified parabolic trough collectors

    At the beginning of May, parabolic trough collector manufacturer Absolicon inaugurated a new, automated production line at its headquarters in Härnösand, Sweden. After the town’s mayor, Andreas Sjölander, had cut the ribbon at the opening ceremony, attendees watched as a glass cover was...
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  • New Solar Keymark Network Rules Allow On-Site Testing

    New Solar Keymark Network Rules Allow On-Site Testing

    The Solar Keymark Network has expanded its range of options by including in situ testing. At a meeting in March 2019, a revised version of the Solar Keymark (SK) Scheme Rules was approved to allow collector efficiency tests in a real-life environment. It is now possible to create efficiency...
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