DESIGNING TOMORROW'S POWER® | EMAIL: INFO@CASTILLOPE.COM
DESIGNING TOMORROW'S POWER®
Award-winning, full-service, electrical, civil & structural solar engineering
EST.1998
INDUSTRY LEADING
SOLAR AND ENERGY STORAGE ENGINEERING
Our Clients and Project Owners
Our premier, repeat clients continue to trust us to minimize project costs and maximize project value.
OUR SERVICES
AND EXPERIENCE
With 25+ years of experience and over 1.5 GW+ of solar and energy storage projects to date, Castillo Engineering is one of the most experienced solar and energy storage engineering firms in the United States. Castillo Engineering delivers expertise in full service (electrical, civil, structural, medium & high voltage) solar and energy storage design, engineering, and consulting services for projects ranging from residential to utility-scale. From 5 kW to 500 MW, we utilize our proprietary site-specific design optimization process to reduce project costs, accelerate your installations & maximize project profitability - all while maintaining the highest quality.
25+
Years of Solar
Experience
40+
Senior Level
Solar Engineers
50
States with
PE License
1.5 GW+
Successful PV
Projects Completed
Our clients permit faster with Castillo Engineering
We leverage decades of Utility and AHJ relationships to deliver the fastest, first-time approved, interconnections and permits in the solar industry.
Scale and Grow Your Business
Our business acumen, forecasting skills, and proprietary processes help you scale your business as your sales grow. We can also assist you with expanding into new markets throughout the U.S. with the same next day turnaround time and 99.9% first time permit approval rating.
Live Technical & Customer Support
Residential Next Day Turnaround
Our design process was developed in conjunction with our customers’ feedback, resulting in an extremely quick, next day, turnaround time. We also standardize your plans to streamline your installation process, shortening your project duration, which increases profitability.
Consistently High Accuracy
99.9% first time permit approval rating – Our intimate relationships with each Building Department nationwide provides us with a deep understanding of the approval process in every jurisdiction. These relationships, combined with the fact that we document and track every building departments’ unique code requirements, have resulted in a consistently high 99.9% first time permit approval rating.
Lowest Bill
of Material
Equipment
Expertise
Our solar design expertise results in a minimum bill of materials, eliminating wastage and cost overruns that drain the profitability of your project, without compromising quality. As a result, you finish your projects faster, with less material and more profit.
Due to the fact that our extensive customer base across the country utilizes a wide variety of products, alongside our strong manufacturer relationships that have been developed over the past 25+ years, we are always apprised of the latest products being introduced to the market. As a result, our engineers offer expert equipment selection recommendations to ensure that each product best suits your project needs, so that you permit quickly, install easily, and maximize project value.
Every Castillo client has a dedicated Technical Support Engineer to assist you with any design changes, provide status updates, and expert – during construction – technical phone support so you can complete your projects on-time, under budget, and with the quality your clients’ demand. No more waiting for returned emails or phone calls. We get you the information and assistance you need when you need it most.
Featured Projects
Over 1.5 GW+ of projects completed on time and on budget throughout North America since 1998.
30,000+
Projects
300+
MW
Residential
With over two decades of experience and 30,000+ residential projects completed, we are a leading national solar and energy storage design firm. Our proprietary site-specific solar design process speeds up your installs while reducing your costs, coupled with a dedicated Technical Support Engineer for each client, Castillo provides everything you need to make your projects more profitable.
300+
Projects
1.2+
GW
Utility-Scale
Our 25+ years of solar and energy storage engineering experience, ability to minimize bills of materials, fast turnaround times, and established industry relationships have enabled us to emerge as the leading utility-scale solar and energy storage design and engineering firm in the U.S.
Our Engineering Services
We leverage our expertise in full service (electrical, structural, medium & high voltage) solar and energy storage design, engineering, and consulting services to de-risk projects and ensure the highest return on investment.
Our Clients and Project Owners
Our premier, repeat clients continue to trust us to minimize project costs and maximize project value.