Everything You Need to Choose the Right Solar System
Professional-grade tools designed for homeowners, not sales agents.
Solar System Quiz
Solar Calculators
Panel & Inverter Catalog
Comparison Tools
How to Choose Your Solar System in 3 Simple Steps
Transparent, independent planning in minutes.
Answer a few questions
Tell us about your home, energy usage, and goals.
Review your solar plan
We calculate the optimal system size, panels, inverter, and battery.
Download your Solar Report
Get a clear PDF summary you can share with installers.
What You’ll Get
Built for Homeowners Making a One-Time Decision
Solar installations are usually done once — mistakes are expensive. This platform helps you understand what you actually need before contacting installers.
Independent Recommendations
We don't sell equipment or prefer brands. Our algorithm prioritizes technical fit and ROI.
Real-World Hardware
Calculations are based on standard residential panel formats and real-world meteorological data.
Zero Hidden Fees
Our core tools are free to use. No hidden upsells, subscriptions, or dark patterns.
Solar System Planning Made Simple
Choosing the right solar power system requires understanding panel sizes, inverter capacity, battery storage, roof limitations, and expected energy production. Our solar planning tools help homeowners compare solar panels and inverters, calculate system size, and estimate savings — all in one place.
The Web’s Most Comprehensive
Technical Database
Explore 5,900+ Solar Panels & Inverters Browse deep technical specifications for thousands of PV modules and solar inverters from the world’s leading Tier-1 manufacturers. This independent catalog provides unbiased engineering data to help you evaluate real equipment options—we provide the data, you make the choice.
Why Professionals Use Our Database:
Power ratings, efficiency, dimensions, and cell technology.
AC/DC ratings, MPPT specs, and system compatibility.
Zero sponsored listings and absolutely no product sales.
A trusted technical database for research and planning.
Side-by-side comparison
Compare Solar Hardware
Side-by-Side: Panels & Inverters
Make Data-Driven Decisions Before You Sign
Evaluate real-world hardware using professional engineering benchmarks. Uncover critical differences in peak power output, conversion efficiency, and hardware compatibility to secure your system’s long-term ROI before making a final investment.
Start Planning Your
Solar System Today
Get your technical blueprint ready in minutes. It's free, independent, and requires no signup.