About

INDUSTRY LEADING SOLAR DESIGN, ENGINEERING AND CONSULTING FIRM
With two decades worth of PV and Energy Storage engineering experience, equating to over 850MW worth of installed systems, Castillo Engineering is one of the most experienced renewable energy engineering firms in the United States. Castillo delivers expertise in full service (Array, Electrical, Structural, Medium Voltage, High Voltage) PV and Energy Storage design, engineering and consulting services for projects ranging from residential, industrial, commercial and utility-scale. From 7kW to 70MW, we Design to Permit.

Services & Territory Covered

Castillo Engineering is licensed in 40 States and provides full service Electrical, Structural, Medium & High Voltage professional engineering services for the PV and Energy Storage markets.