Utility firm Colbun has begun construction of a 9.9MW captive solar photovoltaic plant for Cementos Polpaico’s Cerro Blanco cement plant in the Santiago Metropolitan Region. Colbun and Polpaico Soluciones hailed it as the largest solar self-consumption project in Chile. The Cerro Blanco solar farm will occupy 12 hectares in the Tiltil commune. It will consist