Installing Solar in Hawaii for over 30 years
Residential & Commercial Solar Installation
Grand Solar was established in Hawaii in 1980 and became incorporated in 1985. During the more than 30 years of operation, the company has consistently been a leader in design, installation and service of nearly every type of solar thermal system sold in Hawaii. The original owner, John Grandinetti, still is present at all of the residential and commercial solar system installations completed by the company. In addition, the Photovoltaic systems offered by Grand Solar are US manufactured components only and carry industry leading product warranties on performance.