Privacy
Published by ChoiscoPublished Oct. 2, 2026Last verified
State alerts
If you sign up for alerts, we store your email address, your state, the page you signed up on and the date. We use them only to email you when plug-in solar rules or qualifying products change for your state. We do not sell or share the list.
To be removed, email hello@balconysolarkits.us from the address you signed up with.
Analytics
We use Google Analytics to count visits and see which tools people use: pages viewed, scrolling, which buttons and links you click (for example a source link or a maker's product page), whether a calculation was completed with your state and its result category, and alert signups with the state chosen. It uses cookies. The numbers you type into the calculator stay in your browser.
Calculator
The calculator runs in your browser. It downloads public sunshine data for your state and does the math on your device.