Castillo Engineering
DESIGNED TO PERMIT
With 20+ years of experience and over 850MW of solar PV projects to date, Castillo Engineering is one of the most experienced solar PV and Energy Storage engineering firms in the United States. Castillo Engineering delivers expertise in full service (Array, Electrical, Structural, Medium & High Voltage) solar 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®



Our clientspermit fasterreduce expensesinstall morewith Castillo Engineering
We leverage decades of experience and longstanding AHJ relationships to deliver the fastest, first-time approved, permits in the solar PV industry. At Castillo Engineering – We Design to Permit®
3-5 Day Turnaround Time
98% First Time Permit Approval Rate
Permit Partner™ Program
Commercial, Utility-Scale & Residential
Our Projects
Over 500 clients across the United States.
Castillo Engineering
DESIGNED TO PERMIT
Selecting the correct engineering firm for your project is critical. Everything begins with the permit. What separates Castillo Engineering from the rest, is two decades of solar PV engineering expertise. Experience equips our project managers with a mastery understanding of building codes and value designing. Coupled with an appreciation for risk mitigation, we have established an outstanding reputation for sound engineering, that permits within your timeframe and budget.
Residential
Commercial
Utility-Scale
The Principal

RICK CASTILLO, PE, SE, MSEE
Solar Industry Expert & Thought Leader
Driven by a passion for Value Engineering and renewable technology, Rick Castillo attained his Professional Engineering (PE) license in Structural Engineering (SE) and Electrical Engineering (EE) in 1998, with the mission of providing high-quality engineering services and solar PV solutions to the State of Florida. As demand for his services quickly grew, he incorporated “Castillo Engineering”, today’s elite solar PV and Energy Storage engineering firm, delivering nationwide state-of-the-art design and consulting services, that enable his clients to develop and build the greenest places to live, work, and shop.
Official Associations
