Dr. Cayetano Coll y Toste School in Arecibo is the first school certified as LEED Gold in Puerto Rico by the US Green Building Council (Leadership in Energy and Environmental Design – US Green Building Council). This is a recognition as a high-scoring sustainable building, a major achievement in the construction industry. We are honored to have contributed to the electrical system’s design, solar photovoltaic system, and design of the natural and artificial lighting systems to make this project exemplary.