• April 19, 2026

Six Pillar: Policy

Sweden: Increased Subsidy Budget

Solar roof in the Swedish city of Onsala: The increased subsidies in Sweden focus on larger collector fields – like the 220 m2 plant from 2005. Photo: Jan-Olof Dalenbäck

Difficult Task: Implementing Solar Building Codes in Italy

Orientation in the solar obligation jungle in Italy: The website of the EU-Project ProSTO gives advice and support to municipalities in Italy and other European countries to successfully implement solar building […]

Manufacturer Founds Air Collector Association SAHWIA

Air collector companies exist very much in the shadows of the manufacturers of water collectors. Therefore a Solar Air Heating World Industry Association (SAHWIA) is necessary. But not all manufacturers […]

Austria: The 2008 Roadmap to Solar Thermal Success

A good example for solar heating: a semidetached house with a collector area of 92 m2. According to the roadmap of the Austrian Institute for Renewable Technologies, AEE Intec, it […]

Solar Obligation by the Municipality in São Paulo

The huge city of São Paulo, with its approx. 19 million inhabitants, approved the first solar obligation on a municipality level in July 2007. Solar water heaters have since become […]