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Normally statistics are not very interesting. In the field of renewable energies and climate protection they show the ongoing development. This leads to trends that are surely not boring. Therefore, this data service offers material on different subjects. more... 

[All statistics]
Solar thermal water heating
An enormous market in China, ambitious targets in the EU but what are the basics of solar water heating? This article describes the principles and technology for using solar energy to heat water, and looks at applications for domestic hot water and space heating. more... 

[All articles]
Online Tools
A collection of interesting tools helps with the calculations for several problems. If you need to convert energy units, calculate the performance of wind power plants or estimation the position of the sun, you will find the solution here. more... 

[All tools]
Renewable Photos
Contrary to most conventional power plants renewable energy technologies are nice to look at. Several photo series show this with images on different themes of renewable energies. more... 

[All photos]

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Solaranlagen, Photovoltaik, Solarthermie Imprint (German)