Solar Designing
Solar Designing
Nexasun is a leading provider of cutting-edge solar design and engineering solutions, serving residential, commercial, and utility-scale projects across the USA. With a team of highly skilled engineers, designers, and project managers, we ensure precision, efficiency, and sustainability in every project we undertake.
Our expertise in advanced 3D modeling, geospatial analysis, and system optimization allows us to maximize energy generation while minimizing costs. We streamline the entire solar design and permitting process, ensuring compliance with local regulations and industry best practices.
At Nexasun, we are dedicated to delivering innovative, high-performance solar solutions that empower businesses and homeowners to harness the full potential of renewable energy. Our commitment to quality, efficiency, and customer satisfaction drives us to create sustainable energy systems for a brighter, greener future.


Why Should You Go Solar?
Homeowners across New England are embracing solar energy—and you can too! Installing rooftop solar panels helps lower energy costs, decrease environmental impact, and reduce dependence on utility companies.
- Cost Savings – Reduce or eliminate your electricity bills with a rooftop solar system.
- Tax Incentives – Home solar panels and battery storage qualify for a 30% federal tax credit and additional local incentives.
- Eco-Friendly – Solar energy significantly lowers your carbon footprint and promotes sustainability.
- Reliable Backup Power – Pairing solar with battery storage ensures power during outages and enhances energy security.
- Energy Independence – Generating your own electricity reduces reliance on the grid and protects against rising energy costs.
What Do We Offer
We are firmly committed to sustainability and maximizing resource efficiency. We specialize in crafting exceptional site plans and blueprints for solar panel installations. Our team excels in translating concepts and ideas into comprehensive, construction-ready designs. Our Solar Design packages in the USA surpass excellence, ensuring top-tier solutions for our clients’ renewable energy needs.
Proposal Drawings
- SPPV Layout
- Initial Roof & Array sketch
- Design of PV Array
- Shading Analysis
- Calculation of ROI
- Pricing Estimates, Incentives, Rebates & Savings
- Plant production and PR estimate using industry leading solar software like Aurora, PVSyst, etc.
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Permit Packages
- Title Page, PV Layout
- Attachment and Structural Details
- Site and Plot Plans as per AHJ requirements
- Electrical Details, SLD / 3LD, Calculations
- Wire & Conduit Sizing
- Inter-Connection method
- Elevations, Signages, Spec Sheets
- All the necessary documents and structural / electrical engineering stamps you need to submit your project for approval

Residential Solar

Commercial Solar

Solar Battery Backup
Residential Solar
Our team of engineers possesses extensive experience in creating residential permit packages that facilitate safe and efficient installations.
We leverage our profound design expertise. We possess an intimate understanding of the multitude of practical, real-world intricacies. This knowledge is necessary to engineer highly constructible solar PV systems.
Our engineers are adept at working within the distinct standards and specifications of each state. They consider the specific requirements of local AHJs (Authorities Having Jurisdiction). They also account for utility regulations and HOA (Homeowners Association) guidelines. This ensures compliance and seamless integration of projects within their respective environments.
Residential PV Design Services
- Solar Feasibility Studies
- Preliminary & RFP Level System Design
- Residential solar panel layout
- Plot plan, Array layout, Structural layout and Elevation in permitting packages
- Electrical line diagram includes both Single Line Diagram and 3-Line Diagram. These diagrams show proper interconnection into the customer’s existing main service panel. Electrical calculations are done as per applicable NEC code.
- Approved designs (On-Grid & Off-Grid)
- Plant production and PR estimate using industry leading solar software like PVSyst, Helioscope, Aurora Solar, etc.
Commercial Solar
Nexasun specializes in designing solar solutions for a variety of settings, including schools, retail spaces, commercial warehouses, agricultural farms, and wastewater treatment facilities. Our team expertly handles all aspects of electrical design, identifying optimal connection points and delivering comprehensive permit and construction-ready drawings.
In collaboration with our structural partners, we conduct building load analyses to assess the capacity of existing structures for additional solar installations. Our holistic approach ensures seamless integration and optimal performance across diverse environments.
Every project comes with unique challenges based on location, jurisdiction, and purpose. At Nexasun, our engineers apply advanced electrical engineering principles to navigate complex designs while ensuring full compliance with local AHJ and utility regulations.
Commercial Solar Design Services
- System Sizing and Production Estimates
- Site Plans, array layouts and racking details
- PVSYST Report
- Structural Engineering:
- Dead Load Calculations
- Solar Structure Attachment and Anchoring Details
- Review of existing structure to support solar
- Electrical plan, equipment layout and equipment elevation as per client’s requirement.
- Single line diagram with proper string sizing, inverter sizing and over current protection devices.
- Electrical calculation for wire sizing, conduit sizing and voltage drop calculation on the permit package.
- Plant production and PR estimate using industry leading solar software like PVSyst, Helioscope, Aurora Solar, etc.

Rooftop Solar
- Railed
- Rail-less
- Shared rail
- Flat roof (Ballasted or Tilt Kit)

Ground Mount Solutions
- Foundation mounts
- Ballasting footing mounts
- Pole mounted

Freestanding Structures
- 1-row vehicle arrangement Carport
- 2-row single and dual slope vehicle arrangement
- Garage Top Carport
- Long Span Carport (Typically 65′ long)
Solar Battery Backup
- AC/DC coupled battery backup system for residential solar systems
- Backup systems with AC coupled batteries like Tesla Powerwall 2.0 with SolarEdge or micro-inverter
- Backup system with DC Coupled batteries like LG Chem with SolarEdge – StoreEdge Inverters
- Backup system with Enphase Ensemble system with Encharge battery and Generac PWRcell battery

Expert Teams

Smooth Execution

Careful Planning

Timely Design Revision
Go Green With Solar Technologies
Many firms excel in solar designing. However, our unmatched domain expertise sets us apart. This expertise positions us as a leading provider of premium Solar Designing solutions in the USA. At Finulent, you can trust that you’re in capable hands. Our dedicated team is committed to achieving perfection in every aspect of your project, working tirelessly to deliver exceptional results.
Don’t hesitate! Embrace the clean energy revolution and unlock the benefits of solar design today. Reach out to us now and let us guide you through a seamless transition towards adopting a sustainable lifestyle.
Our expertise extends beyond Solar Designing. We offer a comprehensive array of professional services. These include EV Charging Station (EVCS) Designing, Telecommunication Tower Designing, Fire Evacuation Drawings, and various solar panel CAD services.