• April 18, 2026

Six Pillar: Finance and Incentives

Japan: A “Boom and Bust“ Solar Thermal Market

Japan was once leading in the solar water heater market. Although being one of the first countries to have solar water heaters installed in 1950, the solar water heater industry […]

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

“We Were Clearly in Need of the Incentive Programme”

Solarthermalworld.org spoke with Manuel Collares-Pereira,  R&D director of the Portuguese collector manufacturer Aosol, about the development of his company and the Portuguese solar thermal incentive programme. Photo: Aosol

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 […]