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#2 Aurora Solar
Industry‑leading cloud platform for precise 3D site modeling, shade analysis, and automated proposal generation with integrated financing options.
#3 HelioScope
Power‑engineered design tool that combines fast layout creation, detailed performance modeling, and clear financial analysis for utility‑scale and commercial projects.
#4 PVsyst
Comprehensive PV system simulation software widely used for feasibility studies, shading analysis, and detailed energy yield predictions.
Web‑based design suite offering rapid layout creation, shading analysis, and instant proposal PDFs for residential installers.
Integrated design and sales platform that leverages SolarEdge hardware data to produce optimized layouts, performance forecasts, and client‑ready proposals.
#7 PVSOL
Advanced 3‑D simulation software for detailed shading, module performance, and financial analysis, supporting both residential and utility‑scale projects.
#8 SolarNexus
All‑in‑one sales, design, and financing platform that automates layout creation, performance modeling, and proposal generation with built‑in customer financing tools.
#9 Solargraf
User‑friendly design and proposal builder that creates accurate 2‑D/3‑D layouts, energy estimates, and customizable sales decks.
#10 SunDAT
Fast, cloud‑based design tool focused on residential installers, offering drag‑and‑drop layout, shading analysis, and instant proposal PDFs.
Marketplace‑integrated design suite that produces site‑specific layouts, performance forecasts, and financing options for residential projects.
#12 SolarPro
Comprehensive design suite with 3‑D modeling, shading analysis, and detailed financial reports for commercial and utility‑scale PV systems.
#13 PowerDesign
Enterprise‑grade software that combines layout optimization, performance simulation, and automated proposal creation for large‑scale solar developers.
#14 PV*SOL Premium
Enhanced version of PV*SOL with advanced shading, battery integration, and detailed economic analysis for complex projects.
#15 HelioScope Pro
Professional tier of HelioScope offering API access, bulk project import, and custom reporting for solar EPC firms.
#16 OpenSolar
Free, open‑source solar design platform that provides layout tools, performance modeling, and customizable proposal templates.
#17 SolarPlanner
Web‑based design tool focused on quick residential proposals, with built‑in financing calculators and client‑facing dashboards.
#18 REopt Lite
DOE‑backed optimization tool that helps designers evaluate PV sizing, storage, and economic outcomes for commercial sites.
#19 SolarCalc
Simple yet powerful calculator for rapid PV system sizing, energy production estimates, and cost analysis, suitable for small installers.
Proprietary design suite for SunPower‑installed systems, delivering precise layout, shading analysis, and client‑ready proposals.
#21 Enact Systems
Enterprise platform that combines GIS‑based site assessment, detailed performance modeling, and automated proposal generation for large developers.