Roof Space Needed for Solar: Will the Quoted System Fit?
Square feet per kilowatt is a guess. Fire code pathways, ridge setbacks, obstructions and panel size decide the fit, and the layout drawing is the proof.
Hamza Arham Rizvi
Solar Panels and Shade Trees: How Much Shade Is Too Much?
One shaded panel can drag down others or none, depending on the wiring. How shade is modeled, what to ask for, and when trees rule out the roof.
Hamza Arham Rizvi
How Many Solar Panels Do You Need? Ask in Kilowatts First
Panel count is the last thing to work out and the first thing people ask. The five inputs that determine system size, in the order they actually resolve.
Hamza Arham Rizvi
Solar Offset: A Target Somebody Chose, Not a Law of Physics
Offset is an annual accounting figure, not a description of how your house runs. Why full offset is the default, when it is wrong, and what decides your number.
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