CALPAK aims to promote renewable sources of energy in Greece through innovation, recycling and know-how in the area of renewable energy. CALPAK is now one of the major players in the market of solar panels and especially domestic water heating using solar thermal collectors. Constantly aiming to develop and progress. CALPAK will be one of the four end-users of SHERLOCK providing a piloting environment and industrial setting at their premises, for validating the technologies developed within the project.