RETScreen is a widely‑used clean‑energy analysis tool for feasibility, performance, and financial modeling. Below is a curated list of 20 alternative software platforms that specialize in solar PV design, simulation, and proposal generation.
Get targeted exposure with custom position pinning and highlighted placement.
3‑D solar PV simulation software for detailed shading analysis, system sizing, and financial reporting.
Industry‑standard PV design and performance simulation tool with comprehensive loss modeling and detailed reports.
Cloud‑based PV design platform that combines layout optimization, shading analysis, and performance modeling for proposals.
End‑to‑end solar design and sales software with 3‑D modeling, shade analysis, and automated proposal generation.
NREL’s free tool for detailed performance and financial modeling of PV, storage, and hybrid systems.
Hybrid optimization model for micro‑grid and distributed generation design, including solar PV and storage.
AI‑driven solar layout software that automates site design, shading analysis, and proposal documentation.
Design tool integrated with SolarEdge hardware, offering system sizing, layout, and performance forecasts.
Free, web‑based solar design and proposal platform with automated shading analysis and customizable proposals.
Comprehensive solar design suite for residential and commercial projects, featuring 3‑D modeling and financial analysis.
High‑resolution solar resource data combined with performance simulation and feasibility analysis tools.
Data‑driven solar design software that uses satellite imagery for rapid site assessment and proposal creation.
Online tool for quick PV system sizing, cost estimation, and financing options, geared toward consumer proposals.
Desktop application for detailed PV system design, shading analysis, and financial modeling.
NREL’s web‑based tool for estimating the energy production of grid‑connected PV systems.
All‑in‑one solar design suite offering layout, shading, performance simulation, and proposal generation.
Utility‑focused software for solar interconnection studies, performance monitoring, and reporting.
Free, open‑source tool for basic PV system layout, shading analysis, and energy yield estimation.
Whole‑building energy simulation engine that can model PV systems as part of building performance analysis.
Advanced PV design platform with integrated financial analysis, suitable for large‑scale commercial proposals.