Award-winning, full-service, electrical, civil & structural utility-scale solar engineering firm

Founded in 1998, Castillo Engineering is a leading large-scale design and engineering firm that delivers expertise in full-service solar and energy storage design, engineering, and consulting services to developers, EPC contractors and utility companies. Castillo Engineering's services cover electrical, structural, civil and substation design and engineering and project management. The firm's experience completing over 1,500 solar and energy storage projects and unmatched expertise has made it the go-to solar engineering firm for utility-scale ground mount system construction documents. The firm was ranked by Inc 5000 three years in a row as one of the fastest growing companies in the U.S., as well as the 9th fastest growing engineering firm in the nation. Castillo Engineering is based in Maitland, Florida, and is licensed in all 50 U.S. states, District of Columbia and Puerto Rico.