The solar panels 35 years ago are lasting so much that they have reopened the debate on the quality of the current
The solar panel manufacturers They usually offer performance guarantees of about 20-25 years, a point from which the irremediable degradation of materials significantly reduces their ability to produce energy. Or that’s what they have done to believe. Short. A new analysis of solar panels installed in Switzerland between 1987 and 1993 reveals that most follow … Read more