Nationwide Solar Engineering • California Expertise

Solar Engineering Services & Ready-Permit Plan Sets.

Licensed residential and commercial solar engineering, custom draftings, structural calculations, and PE license stamp packages engineered for fast AHJ approval and seamless permitting.

TURNAROUND24–48 HRS
ENGINEERSPE LICENSED
DELIVERED10,000+ PROJECTS
9.60 m 3.40 m 8 MODULES 3.20 kW STC TILT 22° AZIMUTH 178°
0
NATIONWIDE P.E. NETWORK
24–48 HRS
AVG. PLAN-SET TURNAROUND
0
AHJ & UTILITY COMPLIANCE
1,000s
JURISDICTIONS SERVED
VERIFIED LICENSING & ACCREDITATION

California Licensed. Solar Engineering Services Nationwide.

Custom solar engineering, site designs, and PE stamped solar plan sets for installers, EPCs, and contractors across all US jurisdictions. PE license stamps

STATE LICENSED

California CSLB

CLASS B · #1027903

California General Building Contractor license.

NATIONWIDE STAMPS

50-State P.E. Network

STRUCTURAL & ELECTRICAL

Licensed engineer stamps when your project requires them.

CODE REVIEW

Title 24 & NEC

LOCAL CODE REQUIREMENTS

Plans address Title 24, NFPA 855, and adopted NEC rules.

APPROVAL WARRANTY

100% AHJ Warranty

FREE REDLINE REVISIONS

We resolve building department and utility comments at no extra cost.

WHAT WE ENGINEER

Nine services, one licensed team.

Design, engineering, and permit-ready plans from one team.

01

PV System Design & Engineering

Precision production modeling, string sizing, and custom PV layouts for residential and commercial roofs or ground-mount systems. Complete engineering setup for contractors learning how to design and install a solar PV system.

Learn more →
02

Permit Plan Sets & PE License Stamps

Permit-ready solar plan sets with certified electrical and structural PE license stamps.

Learn more →
03

Structural & Electrical Engineering Review

Expert evaluation of structural roof loads and electrical single-line diagrams (SLD). Professional assessment by licensed engineers to verify what a solar engineer does to guarantee local code compliance.

Learn more →
04

Interconnection & Utility Applications

End-to-end utility submittals, NEM agreements, and Permission to Operate (PTO) management. Streamlined processing to help solar contractors manage permitting and interconnection risk effectively.

Learn more →
05

Commercial & Utility-Scale Design

Advanced solar engineering services for commercial rooftops, solar carports, microgrids, and large-scale ground mounts. Built for complex high-voltage utility requirements.

Learn more →
06

EV Charging Design & Engineering

Custom EV charger layouts, load capacity studies, and electrical plan sets. Engineered for seamless integration with battery storage (ESS) and modern electrical panels.

Learn more →
07

Electrical Design & Main Panel Upgrades (MPU)

Main panel upgrade drawings, service sizing calculations, and permit-ready residential electrical plans. Direct answers to what you need to install solar panels safely.

Learn more →
08

ADU Architectural & Electrical Plans

Complete structural, architectural, and electrical drafting for ADUs and building additions. Fully engineered to meet strict local planning permissions and jurisdiction standards.

Learn more →
09

NEC Electrical Load Calculations

Detailed NEC load calculations, feeder sizing, and utility capacity reviews. Ensures full AHJ compliance whether you need a permit for off-grid solar or standard grid-tied setups

Learn more →
HOW A PROJECT MOVES

Five steps from intake to approval.

One team handles the design, engineering, plan set, and permit corrections.

01

Project Intake

Send your site details, plans, equipment list, and photos.

02

Site Review

We check roof geometry, shade, and local permit requirements.

03

Engineering & CAD

We prepare the layout, electrical design, and structural review.

04

Permit-Ready Plan Set Delivery

Receive your complete, permit-ready solar plan sets with nationwide electrical and structural PE license stamps within 24-48 hours.

05

Permit Support

We address AHJ redlines and utility comments through approval.

Client Experience

What contractors, installers, and project teams say about working with us.

★★★★★

“Fast turnaround and very clean solar plan sets.”

The drawings were organized, detailed, and easy for our team to review before submission. Communication was quick throughout the process, and their turnaround for complete solar plan sets was excellent.

Michael Turner — Solar Contractor, California
★★★★★

“The AHJ revision support made a big difference.”

We received plan-check comments from the building department and needed several items updated. The engineering corrections were handled quickly, and the revised package passed local AHJ approval without further delays.

Sarah Mitchell — Project Manager, California
★★★★★

“Reliable solar engineering services for our residential projects.”

The process from sending initial site photos to receiving completed permit drawings was straightforward. The electrical single-line diagrams (SLD) and equipment specs were clearly presented.

David Reynolds — Solar Installer, Texas
★★★★★

“Professional engineering and fast PE license stamp delivery.”

We needed structural engineering support and a certified PE license stamp package for a commercial project. The code requirements were explained clearly, and everything was delivered in an organized format.

Emily Carter — General Contractor, Florida
★★★★★

“A trusted solar engineering partner when timelines are tight.”

Our project had a tight permitting schedule, and their team kept things moving. Technical questions were answered quickly, and the permit-ready drawings were thoroughly professional.

Jason Brooks — EPC Project Manager, Arizona
★★★★★

“They understood local AHJ permitting requirements.”

We previously dealt with plan-check comments on similar jobs, so getting jurisdiction details right was crucial. The permit package was prepared with strict local code compliance in mind, and the approval went smoothly.

Amanda Collins — Electrical Contractor, California
★★★★★

“Very helpful with solar and ESS battery storage projects.”

Our project included PV, battery storage (ESS), and main panel upgrades (MPU). Having everything coordinated in one solar engineering package made the permitting and utility interconnection process seamless for our team.

Ryan Foster — Solar Contractor, Nevada
★★★★★

“Clear drawings and good attention to detail.”

The site plan, electrical diagram, equipment information, and engineering notes were presented clearly. Our installation team could easily understand the design as well.

Lauren Hayes — Installation Manager, Colorado
★★★★★

“We use them for projects in multiple jurisdictions.”

Working across different cities means requirements can change from one project to another. Having engineering support that can adapt the drawings to different AHJs is extremely useful.

Christopher Bennett — Operations Manager, California
★★★★★

“Excellent turnaround on an electrical panel upgrade design.”

We needed electrical drawings and load calculations for a service upgrade. The completed package was clear and professionally prepared, and communication throughout the job was efficient.

Nicole Parker — Electrical Contractor, California
★★★★★

“A smooth process from intake through final drawings.”

We submitted the project details and equipment information, and the team took it from there. The completed plan set was well organized and ready for our permitting workflow.

Brandon Lewis — Residential Builder, Washington
★★★★★

“Responsive team and dependable engineering support.”

For contractors, getting answers quickly is almost as important as getting the drawings quickly. Communication was responsive, revisions were handled efficiently, and the overall experience was very good.

Rachel Morgan — Solar Contractor, Oregon
QUESTIONS & ANSWERS

Quick Answers Before You Start

Need more detail? Contact our team.

01 What is included in a solar permit plan set?

Depending on the project, plans include site and roof layouts, electrical diagrams, equipment details, and required engineering notes or calculations.

02 what does a solar engineer do?

A solar engineer designs, evaluates, and optimizes solar energy systems to ensure structural safety, electrical efficiency, and full code compliance. They perform site layout planning, calculate electrical load limits, generate single-line diagrams (SLD), and apply official PE license stamps required by local building departments and utilities before installation can begin.

03 how to design and install a solar pv system?

Designing and installing a solar PV system starts with precise site assessment and electrical load calculations. Engineers model energy production, select compatible equipment (inverters, modules, racking), and draft detailed solar plan sets. Once the permit plans are reviewed and approved by the local AHJ (Authority Having Jurisdiction), licensed installers execute physical mounting, wiring, and final grid or battery connection.

04 how solar contractors manage permitting and interconnection risk?

Solar contractors mitigate permitting delays and utility rejection risks by partnering with specialized engineering teams. Professional engineers ensure that every drawing complies strictly with national electrical codes (NEC) and local AHJ standards from day one. Utilizing pre-engineered, PE-stamped solar plan sets prevents plan-check redlines and streamlines the utility interconnection approval process.

05 do i need a permit for off grid solar?

Yes, in nearly all US jurisdictions, off-grid solar systems still require building, structural, and electrical permits from local authorities (AHJ). Even without a utility grid connection, local codes enforce safety standards for battery storage integration, fire pathways, roof load calculations, and electrical wiring.

06 How much does solar engineering services cost?

Pricing depends on project size, jurisdiction, and stamp requirements. Share your scope for a tailored quote.