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#2 Aurora Solar
All‑in‑one cloud design suite with automated shading, 3‑D modeling, performance simulation, and proposal generation for residential and commercial projects.
#3 HelioScope
Web‑based PV layout and performance modeling tool that combines detailed shading analysis with financial analysis for utility‑scale and commercial systems.
#4 PVSyst
Industry‑standard desktop software for detailed PV system design, shading analysis, and energy yield simulation, widely used by engineers and consultants.
#5 PV*SOL
3‑D simulation software for designing and optimizing PV systems, offering shading, loss analysis, and detailed financial reporting.
Free, web‑based tool for quick PV layout, shading analysis, and basic financial proposals, ideal for small‑scale installers.
NREL’s free desktop application for performance and financial modeling of renewable energy projects, supporting detailed PV simulations.
#8 Solargraf
Design and proposal platform that streamlines system layout, shading analysis, and customizable sales proposals with integrated CRM tools.
#9 OpenSolar
Free, cloud‑based solar design and proposal software offering interactive 3‑D site plans, performance estimates, and client‑facing proposals.
#10 PowerHub
Enterprise‑grade design, engineering, and sales platform with advanced shading, 3‑D modeling, and automated proposal creation.
#11 SunDAT
Web application for rapid PV system design, shading analysis, and financial proposal generation, focused on residential installers.
#12 PVPlanner
Simple, browser‑based tool for quick PV system sizing, shading analysis, and cost estimate generation.
#13 PVComplete
Comprehensive design suite that integrates CAD, shading analysis, and automated proposal documents for commercial projects.
Design tool from SolarEdge that creates optimized PV layouts, performs performance simulations, and produces sales‑ready proposals.
#15 SolarNexus
Cloud platform for solar design, permitting, and proposal generation with built‑in shading analysis and financial modeling.
Advanced optimization engine for utility‑scale and commercial PV projects, delivering layout, performance, and financial scenarios.
#17 HOMER Energy
Hybrid system modeling software that evaluates PV, storage, and generator configurations, providing detailed financial analysis.
#18 PVcase
AI‑driven solar design platform that automates 3‑D site modeling, shading analysis, and creates ready‑to‑submit proposals.
#19 Solargis
Data‑rich solar resource and performance modeling tool that feeds into design and financial proposal workflows.
#20 EnergyToolbase
Financial modeling platform for solar and storage projects, integrating performance data with detailed cash‑flow analysis for proposals.
#21 SolarPlanner
Desktop application for detailed PV system layout, shading analysis, and generation of client‑focused proposal PDFs.