Find Your Annual kWh: The One Number Sizing Starts From
Three ways to get twelve months of real usage, why a single bill is the wrong number, and the four things on a bill that are not kilowatt-hours.
Hamza Arham Rizvi
Why the Installer's System Size Is Bigger Than Yours
Six assumptions in a proposal push the number up, and each one is checkable. Which are legitimate, which are choices, and how to ask for the same size two ways.
Hamza Arham Rizvi
Questions to Ask Before You Sign a Solar Contract
Twenty-four questions, grouped by who can answer them, and the four that must be answered in writing. Most solar regret comes from three of them.
Hamza Arham Rizvi
How to Compare Solar Quotes: Normalize, Then Compare
How to compare solar quotes without inventing numbers: the six things to make identical across three proposals before any price comparison means anything.
Hamza Arham Rizvi
Is Your Solar Production Estimate Realistic? Check the Inputs
A production estimate is a model output, not a measurement. Here are the six inputs that move it, and the questions that get them out of your installer.
Hamza Arham Rizvi