Top 30 Solar Design & Proposal Software

AI-powered cloud platform for rapid 3D solar design, LiDAR-based shading analysis, energy modeling, and automated proposal generation with financial analysis for residential and commercial projects.

Industry-standard photovoltaic simulation software for detailed system sizing, performance prediction, shading analysis, and financial modeling trusted by engineers and financial institutions worldwide.

Commercial-grade cloud-based solar design platform with advanced 3D modeling, rapid energy yield simulations, and engineering tools for utility-scale and complex rooftop projects.

Free cloud-based all-in-one platform combining solar design, proposal generation, CRM integration, and project management with 3D modeling and automated financial calculations.

Comprehensive 3D solar PV design software with precise system planning, financial analysis, grid integration simulations, and detailed technical reporting for European and global markets.

CAD-integrated software for automated solar mounting design and layout optimization in AutoCAD and Revit, specializing in ground-mount and rooftop commercial installations.

Cloud-based platform for utility-scale solar project design, automated layout generation, energy yield optimization, and bankable energy reports for large commercial developers.

Integrated solar sales and design platform with drag-and-drop layouts, real-time shading analysis, automated permit documentation, and CRM tools for installers and sales teams.

User-friendly online solar design platform with AI-assisted 3D modeling, automated shading analysis, financial calculations, and customizable proposal templates for sales teams.

All-in-one solar design, simulation, and proposal platform with integrated electrical engineering, automated STC calculations, and professional customer-facing proposals.

Free web-based design tool optimized for SolarEdge inverter systems with string optimization, performance simulations, and professional proposal generation for SolarEdge ecosystem users.

Free open-source tool from NREL for techno-economic modeling of solar PV systems with detailed component models, financial analysis, and sensitivity studies.

AI-assisted 3D solar design platform built for specific market conditions with automated proposal creation, shading analysis, and financial simulation capabilities.

Open-source Python library for comprehensive PV system modeling including solar tracking, irradiance calculations, and performance modeling for analysts and researchers.

Solar proposal software with strong regional compliance tools, weather-based modeling, and project tracking capabilities tailored for specific geographic markets.

Fully integrated ERP and solar proposal platform with fixed pricing, built-in e-signatures, customizable templates, and customer portal for installers.

Fast solar design and quoting tool with LIDAR-based roof mapping, region-specific loan and rebate integration, and lightweight CRM for residential solar teams.

Enphase-integrated solar proposal platform with design visualization, production estimates, financing options, and detailed customer-facing proposals.

Financial modeling platform for solar and storage proposals with incentive tracking, ROI calculations, and detailed economic analysis for commercial EPCs.

Professional PV system design software with advanced 3D shading simulation, module-level optimization, and comprehensive technical reporting compliant with European standards.

Integrated photovoltaic design platform covering DC/AC system sizing, power flow analysis, and medium-voltage grid connection design in a unified environment.

Commercial solar proposal template building platform that assembles project data into customer-ready documents with integrated design inputs and calculation workflows.

Commercial solar proposal automation platform generating pricing, proposal PDFs, and sales-ready documents from structured project inputs with branded templates.

PV system design and inverter selection software with electrical checks for module strings and system configuration optimization for Solis inverter products.

Renewable energy project feasibility analysis tool modeling solar PV generation, financial savings, and emissions impacts with comprehensive energy analysis capabilities.

Solar design and CRM platform with integrated sales tools, automated proposal generation, and customer management features for residential solar installers.

Web-based design platform specifically optimized for Enphase microinverter and battery storage systems with 3D modeling, shading analysis, and permit-ready documentation.

Hybrid renewable energy system optimization software for solar PV, wind, batteries, and diesel generators with genetic algorithm-based multi-objective optimization.

Precision CAD engineering software for utility-scale solar projects with AutoCAD integration, detailed electrical design, and structural analysis capabilities.

Free online tool for preliminary PV system sizing and energy production estimates using location parameters and basic system specifications for feasibility studies.