No sales pitches. No contractor upsells. Just honest, research-backed guides on solar installation, battery storage, and home energy — written for homeowners, not engineers.
Featured guide
Do you need a battery with solar? See when it's optional, when outages or export rates change the math, and what a licensed electrician must size.
Oversize solar system NEM 3.0 rules make sizing tricky. See when extra panels pay off, when they do not, and what to confirm with your utility first.
Solar panels for heat pump home sizing need a load calculation, not a panel count. What decides the size, and the trade-off installers rarely lead with.
Mileage times kWh per mile is the whole EV load. How to size for a car you don't own yet, when adding later is the better plan, and what the charger needs.
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.
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.
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