Balcony solar tools
Four calculators that answer the questions the product listings avoid — built on stated assumptions you can check, not round numbers from nowhere.
Is it legal in my state?
Pick your state for a straight answer, plus a tracker of all 51 US jurisdictions and what the law says today.
1 state with an explicit law
Open the toolWhat will my balcony actually produce?
An 800W kit does not make 800W. Orientation and shade decide how close you get.
A south-facing 800W kit really makes ~490W
Open the toolBalcony vs rooftop payback
Why not just get real solar? Here is the trade-off on your own electricity price.
Side-by-side cost, savings and payback
Open the toolWhich kit do I need?
Three questions about your balcony, then we rule out everything that will not fit it.
Matched to space, tenure and orientation
Open the tool