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SolarDesignTool

Freemium

Comprehensive solar array design and performance simulation software.

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4.6 Editor Rating
Vetted Score
4.6 / 5.0

Scored 4.6/5 for its robust simulation engine, intuitive UI, and flexible pricing that serves both hobbyists and professionals.

Key Features
Accurate Solar Irradiance Modeling

Simulates site-specific solar radiation using weather data and advanced shading algorithms for precise energy yield forecasts.

3D Site Layout & Shading Analysis

Drag‑and‑drop 3D modeling of rooftops, terrain, and obstacles to evaluate shading impacts and optimize panel placement.

Automated Financial ROI Calculator

Generates detailed cost‑benefit reports, payback periods, and incentive calculations based on system design.

Frequently Asked Questions

Yes, a free tier provides basic layout and shading tools, but advanced simulations and financial analysis require a paid subscription.

The software runs on Windows 10/11, macOS, and Linux, with a web‑based viewer for sharing designs.

Designs can be exported in CSV, JSON, and industry‑standard formats like PV*SOL and SAM for seamless integration.
Specifications
Pricing Model Free tier with basic layout tools; paid plans start at $29/month for professional features, with enterprise options up to $199/month.
Supported Platforms
Windows 10/11macOSLinux