
Engineering Review & Stamps
Solar Engineering Review & PE Stamping Services
PremiumCAD provides professional Solar Engineering Review and PE Stamping services for residential, commercial, and utility-scale solar projects across the United States. Our network of licensed Professional Engineers (PEs) reviews project designs for structural and electrical compliance, helping solar installers, EPCs, and developers secure permits with confidence.
Whether your project requires structural verification, electrical engineering review, battery storage approval, or jurisdiction-specific engineering documentation, PremiumCAD delivers accurate, code-compliant engineering packages that meet AHJ and utility requirements.
PremiumCAD, through its network, provide Electrical & Structural Professional Engineering (PE) stamps for all 50 states. Some states require PE stamps for solar projects and some contractors add PE stamps as an extra level of quality. Construction plans with PE stamps give customers added assurance that their solar and storage projects have been safely designed and engineered to the codes and standards of your state and jurisdiction.
PremiumCAD is a national leader in Solar Design Industry. We have delivered hundreds of structural Certifications and designs for Residential and Commercial solar installers that enables solar installers to get building permits. We can facilitate Structural & Electrical Review & Stamps thru our licensed PE partners in ALL 50 STATES.
Whether you need structural certifications for one or a hundred jobs, PremiumCAD can assist you to prepare Certification Letters in a single business day. Our professional staff, combined with our proven proprietary systems, enables us to deliver affordable, high-volume, rapid, top-quality engineering services.
Send us your site audit form. We’ll perform professional engineering services, which generally take the form of a Structural Certification Letter, but can include custom engineering designs as well.
PE Stamps, Reviews & Letters

Structural Stamps
Licensed structural engineers review mounting systems, roof conditions, and loading requirements to provide PE-stamped documentation for permit approval.

Structural Letters
Engineer-certified structural assessment letters validating roof capacity, attachment methods, and compliance with local building requirements.

Electrical Stamps
Professional electrical engineering review and PE stamps ensuring NEC compliance, safe interconnections, and utility-ready solar designs.

Post Install Letters
Professional engineer inspections and certification letters confirming installed systems match approved plans and meet code requirements.
Additional Services
Wet Stamps
Battery Mounting Letter
Fault Current Study
Snow Load Analysis
WPI-8, Special Inspector Form
Carport Structural Review
Wind Load Calculations
Structural Adequacy Review
Consumption Report
Load Calculations Review
NVE Report
Pre-Install Letters
Why Choose PremiumCAD?

Extensive Solar Engineering Experience
Thousands of successful solar projects reviewed and engineered across residential, commercial, and utility-scale applications.

Code & AHJ Expertise
Deep knowledge of NEC, IBC, IRC, ASCE 7, utility requirements, and local AHJ standards.

Licensed Engineering Network
Access to licensed Professional Engineers across multiple states for structural and electrical reviews.

Reduced Permit Delays
Accurate engineering reviews help minimize revisions, resubmissions, and costly project delays.

Fast Turnaround for Stamps
Rapid engineering reviews and PE stamping services to keep projects moving toward approval.

End-to-End Support
From design and engineering review to PE stamping and AHJ responses, we support every step.


