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Afghanistan: German Manufacturer Supplies Solar Thermal to Kabul Multi-Family House

Submitted by Baerbel Epp on November 13, 2012

Many sunny hours at low temperatures: The Afghan winter is predestined for solar heat use. German collector manufacturer REM GmbH has just delivered the first solar thermal system to a block of flats in Kabul – the first of a series of 21 installations which are to be set up in and around the capital. The private customer is using solar thermal technology to ensure a primary heat supply for his buildings. The project is implemented without support by governmental agencies or the help of subsidies. System design and construction is in the hands of German Solar Sky GmbH. The company, which plans and implements projects in Germany and abroad, has made Afghanistan and its neighbouring countries a top priority.
Source: NREL

Solar Keymark: Additional Table Allows Comparison of Annual Collector Output

Submitted by Baerbel Epp on October 1, 2012

The Solar Keymark certification is getting more consumer-friendly: Since the beginning of this year, the new certificate data sheets include a second page on the annual collector unit output for different solar radiation sites in Europe (Stockholm, Davos, Würzburg and Athens). The list shows the output at average collector temperatures of 25, 50 and 75 °C. For example: The new optimised Aqua Plasma collector 19/17 by German collector producer Ritter achieves 1,106 kWh per collector unit and year in Würzburg (50 °C). The gas-filled flat plate collector PS1-52 Joule by Austrian company Geo-Tec achieves 793 kWh at the same location. Both collectors were launched this year with a gross collector area of 1.69 m² and were presented at the Intersolar Europe in June. The listed output should now give end consumers a good hint at what they get for their money.

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