California CSLB
CLASS B · #1027903California General Building Contractor license.
Licensed residential and commercial solar engineering, custom draftings, structural calculations, and PE license stamp packages engineered for fast AHJ approval and seamless permitting.
Custom solar engineering, site designs, and PE stamped solar plan sets for installers, EPCs, and contractors across all US jurisdictions. PE license stamps
California General Building Contractor license.
Licensed engineer stamps when your project requires them.
Plans address Title 24, NFPA 855, and adopted NEC rules.
We resolve building department and utility comments at no extra cost.
Design, engineering, and permit-ready plans from one team.
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 →Permit-ready solar plan sets with certified electrical and structural PE license stamps.
Learn more →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 →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 →Advanced solar engineering services for commercial rooftops, solar carports, microgrids, and large-scale ground mounts. Built for complex high-voltage utility requirements.
Learn more →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 →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 →Complete structural, architectural, and electrical drafting for ADUs and building additions. Fully engineered to meet strict local planning permissions and jurisdiction standards.
Learn more →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 →One team handles the design, engineering, plan set, and permit corrections.
Send your site details, plans, equipment list, and photos.
We check roof geometry, shade, and local permit requirements.
We prepare the layout, electrical design, and structural review.
Receive your complete, permit-ready solar plan sets with nationwide electrical and structural PE license stamps within 24-48 hours.
We address AHJ redlines and utility comments through approval.
What contractors, installers, and project teams say about working with us.
Depending on the project, plans include site and roof layouts, electrical diagrams, equipment details, and required engineering notes or calculations.
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.
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.
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.
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.
Pricing depends on project size, jurisdiction, and stamp requirements. Share your scope for a tailored quote.