Elec Calc Solar is a cloud‑based tool for solar PV system sizing, shading analysis, and proposal generation. Below are 20 comparable platforms that help engineers, designers, and sales teams create accurate solar designs and professional proposals.
Get targeted exposure with custom position pinning and highlighted placement.
Comprehensive cloud‑based design suite with 3‑D modeling, shading analysis, financial proposals, and automated permitting.
Fast, data‑driven PV layout engine with performance modeling, loss analysis, and client‑ready reports.
Industry‑standard desktop software for detailed system simulation, shading studies, and yield predictions.
3‑D simulation tool for residential and commercial PV plants, offering shading, loss, and financial analysis.
Free NREL‑backed modeling platform for performance, financial, and lifecycle analysis of solar projects.
High‑resolution solar resource data combined with design tools for performance forecasting and feasibility studies.
Integrated design and proposal tool focused on SolarEdge inverter and optimizer solutions, with quick layout generation.
Web‑based proposal builder with drag‑and‑drop design, automated shading analysis, and customizable sales decks.
Free, open‑source PV design software offering 3‑D modeling, shading, and basic financial reporting.
AI‑assisted utility‑scale PV layout engine that optimizes land use, terrain handling, and production forecasts.
Financial modeling platform that couples performance simulations with tariff analysis for commercial proposals.
Cloud‑based design and sales platform with real‑time shading, module selection, and automated proposal PDFs.
Enterprise‑grade design, monitoring, and reporting suite for large‑scale solar and storage projects.
All‑in‑one design, quoting, and CRM solution tailored for residential solar installers.
Simple web tool for quick PV system sizing, yield estimation, and basic proposal generation.
AI‑driven design assistant that creates optimized layouts and instant sales proposals from a few inputs.
User‑friendly SaaS platform for residential PV design, shading analysis, and printable sales proposals.
Design and monitoring suite focused on inverter‑level data, offering layout tools and performance dashboards.
Collaborative design portal that integrates GIS data, module libraries, and financial modeling for proposals.
Free, open‑source platform for creating 3‑D PV designs, shade analysis, and fully branded client proposals.