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DESIGNING TOMORROW'S POWER® | EMAIL: INFO@CASTILLOPE.COM

OUR SERVICES

RESIDENTIAL SOLAR

DESIGNING

TOMORROW'S POWER®

Top-tier residential solar and energy storage design firm

Castillo Engineering is a leading solar design firm with more than two decades and 30,000 completed projects worth of experience. With a patented four-step planning, approval and quality assurance process, Castillo Engineering serves as the leading permitting partner for the nation’s top residential solar contractors.

Accurate and compliant drawings are critical to getting faster permits, which is the key to our customers’ productivity and profitability. Castillo Engineering utilizes its solar experience to help contractors get the fastest permits without the cost or hassle of negotiating building code details with the local AHJ and utility. Castillo Engineering maintains an industry-leading 99 percent first-time permit approval rating.

Schedule a meeting with one of our solar and storage experts

Our Plans Include

All Castillo Engineering Design to Permit packages include:

Title Page 

  • Project Description

  • Governing Codes

  • Sheet Index

  • Equipment Summary

  • Plot Plan / Parcel Map

  • Vicinity Map

  • Aerial View

 

Labeling

For Rapid Shutdown, AC / DC, AC Labeling / DC Labeling, NEC-required Warning Labels, and Labeling Sizing & Material

Requirements 

Symbols and System Description Sheet

Project Plan & Modules
including Module Type, Dimensions & Weight 

  • Array & Roof Area Calculations

  • Roof / Ground Mount Description

  • Anchoring System Spacing

  • Conduit Run

  • Major Equipment Components and Equipment

Anchoring Details 

  • Attachment Detail

  • Weather Proofing

  • Structural Load Calculations (Wind, Snow, Seismic)

  • Racking & Mounting Hardware

  • Foundation Details

 

Easy Install Wiring Diagrams 

including 3-line Wire Diagrams 

  • Wire Sizing, Conduit Sizing, String Sizing (DC/AC),& Branch Circuit Sizing (DC/AC)

  • Grounding Requirements

  • Point of Interconnection Details (breaker, line-side tap, subpanels, etc.)

  • Ampacity, Conduit, & Voltage Drop Calculations per NEC Standards

  • Inverter Specifications

  • Solar Module Specifications

 

Specification Sheets

for Solar Modules, Inverters, & Racking 

WHY CASTILLO?

Our proprietary site-specific solar design process speeds up your installs and reduces your costs, coupled with a dedicated Technical Support Engineer for each client, Castillo provides everything you need to make your projects more profitable.

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.

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.

Lowest Bill

of Material

+

Equipment

Expertise

+

Zero-Risk,
Safe Installs

+

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.

Our site-specific plans adhere to both the latest NEC and local state safety requirements. This keeps your customers safe from mechanical failure and injury and protects you, your license, and your company from exposure and liability.

Permit Faster

On - Demand Support

Increase Profitability

Live Technical & Customer Support

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.

FLEXIBLE TIERS.
FANTASTIC SAVINGS.

Our program supports and recognizes our valued partners as they reach higher levels of success. Castillo Engineering helps their Permit Partners successfully scale their businesses.

Site-Specific Structural

+ Electrical Packages

Bronze - 100 permits / month

Silver - 200 permits / month

Gold - 300 permits / month

Platinum - 400 permits / month

THE PERMIT PARTNER™ PROGRAM

Permit Faster

On - Demand Support

Increase Profitability

WHY CASTILLO?

Our proprietary site-specific solar design process speeds up your installs and reduces your costs, coupled with a dedicated Technical Support Engineer for each client, Castillo provides everything you need to make your projects more profitable.

Residential Next Day Turnaround

Consistently High Accuracy

Scale and Grow Your Business

Lowest Bill

of Material

Equipment

Expertise

Zero-Risk,
Safe Installs

Copyright ©2022 Castillo Engineering | “Designing Tomorrow’s Power” is a trademark of Castillo Engineering Services, LLC

LETS TALK ABOUT

OPTIMIZING YOUR NEXT PROJECT

Castillo Engineering delivers expertise in full service (electrical, 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.

GET IN TOUCH

Address: 620 N. Wymore Rd., Suite 250, Maitland, FL 32751

Phone: (407) 289-2575

Email: info@castillope.com

Working Days / Hours: Mon - Fri / 9:00 AM - 5:00 PM

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