Top 10 Best Solar Sales Proposal Software of 2026

Aurora Solar is a comprehensive cloud-based platform designed for solar sales professionals, offering accurate 3D rooftop modeling using high-resolution satellite imagery and LiDAR data for precise site assessments. It automates the creation of professional sales proposals with detailed energy production forecasts, financial modeling, rebate calculations, and customizable branding. The software also includes customer portals for self-service design reviews and integrates seamlessly with CRMs and financing partners to streamline the entire sales process from lead to close.

OpenSolar is a free, cloud-based solar design and sales platform that automates the creation of professional proposals, 3D system designs, and financial analyses for solar installers. It integrates satellite imagery, hardware catalogs, and shading analysis to generate accurate proposals in minutes. The software also includes CRM tools for lead management and sales tracking, making it a comprehensive solution for solar sales teams.

Solargraf is a specialized solar sales proposal software that instantly generates professional 3D rooftop models from any address using satellite imagery and LiDAR data. It offers accurate shade analysis, energy production estimates, financial modeling, and customizable branded proposals to streamline the sales process. The platform integrates with popular CRMs and design tools, helping solar installers close deals faster with visually compelling presentations.

Sighten is a solar sales proposal software that empowers solar companies to create visually stunning, interactive proposals with drag-and-drop tools, accurate financial modeling, and 3D visualizations. It streamlines the sales process by integrating with design platforms like Aurora Solar and Helioscope, enabling quick generation of branded documents with e-signatures and payment requests. Ideal for sales teams aiming to impress clients and close deals faster, it focuses on design excellence over deep engineering analysis.

Energy Toolbase is a robust solar sales proposal software platform tailored for commercial and utility-scale solar projects, enabling users to generate professional proposals with integrated financial modeling and performance analysis. It combines system design visualization, accurate energy production forecasts using irradiance data, and customizable savings reports to streamline the sales process. The tool supports solar-plus-storage configurations and integrates with leading design software like Aurora Solar for end-to-end proposal creation.

PVComplete is a cloud-based solar sales proposal software that enables users to quickly design photovoltaic (PV) systems using satellite imagery, perform automated shading analysis, and generate professional, bankable proposals with financial breakdowns. It streamlines the sales process for solar installers by providing accurate production estimates, equipment lists, and customizable templates in minutes. The tool supports single-line diagrams and integrates design data for engineering handoff, making it efficient for sales-to-installation workflows.

The System Advisor Model (SAM) from NREL is a free, open-source software tool primarily designed for detailed techno-economic modeling of renewable energy systems, including solar PV, CSP, wind, and battery storage. It enables users to input system specifications, financial assumptions, and location data to generate performance predictions, cash flow analyses, LCOE, NPV, IRR, and other metrics useful for evaluating project viability. While powerful for engineering analysis, it can support solar sales proposals by providing robust financial justifications, though it lacks polished presentation tools.

PVsyst is a professional photovoltaic system design and simulation software renowned for its detailed modeling of solar PV installations, including energy yield predictions, shading analysis, and system optimization. It provides engineers with precise performance data and reports that can support technical aspects of sales proposals. However, it is not tailored for sales teams, lacking customer-facing proposal templates, pricing calculators, or CRM integrations typical of dedicated solar sales software. Primarily used for validation and design rather than rapid proposal generation.

PV*SOL from Valentin Software is a professional photovoltaic system design and simulation tool that allows users to create detailed 3D models of buildings and roofs, perform precise shading and yield calculations, and simulate system performance under real-world conditions. It generates comprehensive project reports including layouts, economic analyses, and performance forecasts, which can be used for solar sales proposals. While powerful for technical accuracy, it focuses more on engineering simulation than streamlined sales workflows.

EasySolar is a specialized sales proposal software designed for solar installers, offering tools to create detailed photovoltaic (PV) system designs, generate professional proposals with 3D visualizations, and manage customer interactions. It streamlines the sales process from initial site assessment to contract signing with an online editor, CRM integration, and mobile app support. The platform emphasizes quick design turnaround and visually compelling presentations to close deals faster.