OpenSolar is a cloud‑based platform for solar design, shading analysis, and proposal generation. Below are 20 comparable tools that help engineers, installers, and sales teams create accurate solar layouts, performance models, and client‑ready proposals.
Get targeted exposure with custom position pinning and highlighted placement.
Industry‑leading SaaS for 3‑D site modeling, shade analysis, and automated proposal creation with real‑time financials.
Web‑based PV design tool that combines system layout, performance modeling, and detailed shading analysis.
Comprehensive desktop software for PV system sizing, simulation, and detailed loss analysis.
3‑D simulation software for designing and optimizing PV systems, including shading and yield forecasts.
Free NREL‑maintained tool for performance and financial modeling of solar projects.
Cloud‑based proposal builder with drag‑and‑drop design, automated shading, and integrated financing options.
Web app for quick site layout, shading analysis, and generation of sales‑ready PDFs.
AI‑driven 3‑D design platform for utility‑scale and commercial PV projects, with auto‑routing and terrain handling.
End‑to‑end solar design suite offering layout, performance modeling, and proposal automation.
Financial modeling and proposal software focused on commercial and utility‑scale solar economics.
Web‑based design tool for residential PV layout, shading analysis, and instant proposal generation.
Solar resource data platform with design tools for performance simulation and feasibility studies.
Project management and design software that integrates PV layout, performance analysis, and workflow tracking.
Design tool tied to SolarEdge hardware, offering system layout, shading, and performance forecasts.
Enphase‑focused design suite for micro‑inverter systems, with layout, shading, and energy yield tools.
Cloud platform for residential solar design, permitting, and automated proposal creation.
Sungevity’s in‑house design portal for creating site plans, shade analysis, and client proposals.
Simple web tool for quick PV system sizing, layout, and financial estimate generation.
Online PV layout and performance calculator with shading analysis and exportable reports.
Desktop application for detailed PV system design, shading, and production simulation.