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  • Molten salt: suitable heat-transfer fluid for concentrating collector fields

    Molten salt: suitable heat-transfer fluid for concentrating collector fields

    In a parabolic trough collector demo plant run by the German Aerospace Center (DLR) in Évora, Portugal, molten salt is used as a heat-transfer fluid instead of thermal oil. The advantage of molten salt is its stability at higher temperatures. Whereas thermal oil cracks at above 400 °C,...
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  • Automated factory for polymer collectors in Norway

    Automated factory for polymer collectors in Norway

    Inaventa Solar has now started operating a fully automated production line for solar collectors with polymer absorbers in Jevnaker, Norway. It took about 18 months from placing the order to commissioning the new, unique production equipment, on which the start-up spent around EUR 4 million...
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  • #EnergyEfficientLighting: Dynamic research group publishes 16 reports

    #EnergyEfficientLighting: Dynamic research group publishes 16 reports

    The success of highly energy-efficient lighting designs hinges on more than technological ingenuity. Other key make-or-break factors are smart control strategies and the interaction of lighting users with the built environment. Under the auspices of the IEA Solar Heating and Cooling...
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  • Launch of Solar Thermal Yearbook 2021

    Launch of Solar Thermal Yearbook 2021

    Solar thermal energy is indispensable for the energy transition, but just as indispensable is informing the interested public about the state of the art and the wide range of possible solar heat applications. This is the motivation of the editorial team for launching the first English...
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  • Standardised yield assessments for industrial solar heat plants

    Standardised yield assessments for industrial solar heat plants

    The yield of solar process heat systems as simulated during feasibility studies has a decisive influence on the profitability of the respective investment. Therefore, simulation tools play an important role in the project development phase. Currently, however, project developers use a large...
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  • Pathway to 100 % renewables: “Industry is a really hard-to-abate sector”

    Pathway to 100 % renewables: “Industry is a really hard-to-abate sector”

    “The world is burning more fossil fuels than ever. We need deep structural change,” REN21 Executive Director Rana Adib warned attendees at a panel discussion at last week’s Solar World Congress. “It is not enough anymore to look at the energy supply side – that is, the power sector – but we...
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  • “We have an increasing number of new large projects in the pipeline”

    “We have an increasing number of new large projects in the pipeline”

    The Finnish turnkey solar heat system provider Savosolar held an extraordinary general shareholder meeting on 1 October to discuss rights issues of approximately EUR 5.4 to 6.4 million with three warrant programmes. The assembly authorised  Savosolar’s Board of Directors to decide on...
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  • IEA SHC Solar Cooling Task: “We can make a difference”

    IEA SHC Solar Cooling Task: “We can make a difference”

    US project developer ergSol is a true pioneer. The company is not only putting up large commercial solar heat systems in California but also supports the IEA Solar Heating and Cooling programme by heading the Demonstration subtask of global research network...
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  • Skopje’s Green City Action Plan favours district heating

    Skopje’s Green City Action Plan favours district heating

    Many times during winter, Skopje in North Macedonia holds the unfortunate record of being the capital with the worst air quality in Europe. One reason for this is that some of the city’s public buildings – even hospitals and schools – burn heavy fuel oil to provide hot water and space...
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  • Fit for 55 package – numbers debate about to begin

    Fit for 55 package – numbers debate about to begin

    On 14 July, the European Commission fulfilled its promise and published the Fit for 55 package, which includes revisions to five of the EU’s core climate and energy directives and two new initiatives, ReFuelEU Aviation and FuelEU Maritime (see chart). The aim of the package is to bring the...
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  • Start-ups develop new high-temperature storage solutions

    Start-ups develop new high-temperature storage solutions

    At the end of May, representatives for Norwegian EnergyNest, Swedish Azelio and US Malta joined a webinar organised by Spanish agency ATA Insights to talk about their companies’ innovative, cost-competitive thermal storage systems. The three tech start-ups offer clients intraday solutions...
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