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#2 HelioScope
Web‑based PV system design tool with advanced shading analysis, layout optimization, and detailed performance reports.
#3 Aurora Solar
All‑in‑one solar design platform offering 3‑D modeling, shade‑impact calculations, and automated proposal creation.
#4 PVSyst
Industry‑standard desktop software for detailed PV system simulation, loss analysis, and financial feasibility studies.
Free NREL‑maintained tool for performance modeling, financial analysis, and technology comparison of renewable energy projects.
#6 HOMER Energy
Hybrid optimization model for designing microgrids and distributed energy resources, including solar PV.
Online design suite integrated with SolarEdge hardware, offering layout planning, shading analysis, and quick quote generation.
#8 PV*SOL
Dynamic 3‑D simulation software for residential, commercial, and utility‑scale PV systems with detailed loss modeling.
Free NREL web tool that estimates energy production for grid‑connected PV systems based on location and system size.
Web‑based planner providing high‑resolution solar resource data, performance simulation, and financial analysis.
#11 OpenSolar
Free, cloud‑native solar design platform with automated proposals, financing options, and client‑facing dashboards.
#12 SolarDesignTool
Desktop application for detailed PV system layout, shading analysis, and energy yield estimation.
Online design and quoting tool that integrates with multiple inverter and module manufacturers for rapid proposals.
Specialized design software for Tigo’s optimizer and monitoring hardware, featuring shade analysis and system sizing.
Cloud‑based PV design platform with AI‑driven layout optimization and real‑time performance forecasting.
#16 PVComplete
Comprehensive design suite offering 3‑D modeling, shading analysis, and automated documentation for installers.
#17 SolarCalc
Simple web calculator for quick PV system sizing, energy production estimates, and ROI calculations.
Professional design tool from Sungevity that streamlines layout creation, shading analysis, and client proposals.
Enterprise‑grade PV design and performance modeling platform with multi‑year financial forecasting.
Integrated design and monitoring solution that couples system layout planning with real‑time performance data.
High‑resolution solar resource atlas combined with a web‑based design tool for preliminary system sizing.