Maintenance
Solar Low-Output Troubleshooting, Step by Step
A step-by-step field guide to diagnosing why your solar is underproducing, from dust and shade to weak strings, inverter derating, and high…
The Inverter HQ blog
Every solar guide, in one place
Practical, independent guides to inverters, panels, batteries, monitoring and system design.
Monitoring
Performance Ratio in Solar, Explained
Performance ratio is the single number that tells you how healthy your solar system really is. Here is what it means and…
Systems
How to Size a Whole Home Solar System
A step-by-step method to turn your electricity bills into the exact kW solar system your home needs, then reality-check it against your…
Batteries
Depth of Discharge and Usable Battery Capacity
Depth of discharge quietly decides how much of your battery you can really use. Here is how DoD sets usable capacity and…
Panels
Series vs Parallel Solar Panel Wiring Explained
A hands-on installer's guide to series vs parallel solar panel wiring, when to use each, how to wire a string safely, and…
Inverters
DC:AC Ratio and Inverter Oversizing Explained
Learn what the DC to AC ratio means, why oversizing your solar inverter usually pays off, and how to pick the right…
Maintenance
Solar No-Output Troubleshooting, Step by Step
A calm, ordered walkthrough for finding why your solar makes zero power, from the meter and inverter screen to breakers, isolators, and…
Monitoring
How to Read Your Solar Production Curve
Learn to read the shape of your daily solar production curve to spot clipping, shading, soiling, and faults in under two minutes,…
Systems
How to Do a Home Load Assessment for Solar
Learn to count your real electrical loads before going solar - turn your bills and appliances into the kWh and kW numbers…
Batteries
How to Size a Solar Battery Bank for Backup
A hands-on watt-hour method for sizing a solar battery bank, with depth-of-discharge and efficiency corrections and a real worked example for home…
Panels
How to Size a Solar Panel Array for Your Home
Work out exactly how many solar panels your home needs using your electricity bill, peak sun hours, and roof space, with a…
Inverters
How to Size a Solar Inverter to Your Array
A hands-on walkthrough for matching a solar inverter to your panels - DC:AC ratio, voltage and current limits, and a full worked…