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Fair Season in China: Three Major Trends

Fair Season in China: Three Major Trends

Different vacuum tube technologies in comparison: The full-glass vacuum tube can easily be recognised by the extended and closed top. Photo: Sven Tetzlaff …
Three out of a dozen: Solar Thermal Fairs in China

Three out of a dozen: Solar Thermal Fairs in China

One of many regional fairs in China: the outdoor exhibition space in Zhengzhou, a city in Henan province Photo: Sven Tetzlaff …
Bulgaria: BEERECL Programme Extended

Bulgaria: BEERECL Programme Extended

A couple of years ago, Bulgaria began to support solar thermal systems by providing a combination of grants and loans for their installation. The so-called Residential Energy Efficiency Credit Line (REECL) programme has been quite successful. It has already supported 1,024 solar thermal systems since it was launched in May …
60 Solar Cities in India

60 Solar Cities in India

Nagpur city in central India – one of 60 solar cities in India supported by the government. An ambitious programme by the Indian federal Ministry of New and Renewable Energy (MNRE) will make Nagpur city a model solar city by 2012. The city, located in the state of Maharashtra, central …
Cautious Optimism in Germany

Cautious Optimism in Germany

The German solar thermal industry rides roller coaster. After a 40 % decrease in 2007 and a 120 % increase in 2008, the outlook for this year still remains foggy. Can we again reach the 2008 market volume of 2.1 million m2? The sector says we can! This is one …
Tremendous Market Growth in Germany

Tremendous Market Growth in Germany

The German solar thermal market more than doubled in 2008. According to the solar industry association BSW-Solar and the heating industry association BDH; 2.1 million m2 of new collector area (1.5 GWth) were installed on German roofs last year (940,000 m2 = 658 MWth in 2007). This proves to be …
Monopoly on Laser Welding in the USA

Monopoly on Laser Welding in the USA

Laser welding machine for absorber sheets: A patent in the United States could slowdown the development of this technology. Photo: Sunlaser Consulting …
Solar cooling: a new Field for Simulations

Solar cooling: a new Field for Simulations

Solar cooling is a promising new field of application for solar thermal technology. A new version of the simulation software Polysun will be published in April. It will not only be able to design solar thermal systems but also solar powered cooling plants that work with compression coolers or fan …

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