Worldwide 14% fewer solar thermal installations than in 2014


Compared to 2014, the market for solar thermal collectors has shrunk by 14%. This value has been determined on the basis of 18 countries, in which solar collectors with an overall thermal capacity of 32.7 GW have been installed. In 2014 those countries installed a total of 43.4 GW.

The lower sales in the last year were mainly due to new installations in China and Europe, where installed collector area dropped by 17% in China and by 5% in Europe’s nine biggest states as compared to 2014. According to data collected by, the countries with the highest installation increase were Denmark with 55% more installations, Turkey with an increase of 10%, Israel with 9% and Mexico with 8% more freshly installed solar collectors than 2014. Despite a lower capacity addition than in the year before, China still installed 30.5 GW of solar thermal capacity. Of this 12.6% were flat plate collectors with a total area of 5.5 million m².

The compound annual growth rate (CAGR) between 2010 and 2015 was highest in Denmark with an addition of 34%. This is probably due to the increasing demand for district heating with solar thermal systems. With the exception of Denmark and Poland, which also had a positive CAGR of 14%, the average growth rate looks rather poor, especially in key Mediterranean regions such as France (-17%) or Italy (-14%). Due to the decreased capacity addition of -10% in 2015, the long-term market growth of Germany also dropped to -7%.

The 18 countries included in the market analysis by are equivalent to approximately 95 to 97% of the world market.

Tanja Peschel

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