About

We do the boring math so a salesperson can't do it for you

Solar quotes are designed to be confusing. WattBarn exists to make them legible: what a system should cost, what it should save, and how long payback really takes in your state.

How we research

Every guide starts from primary data: real installer bids readers forward us, state-level electricity rates from the EIA, and manufacturer spec sheets. When we quote a price or a payback period, it traces back to a source, not a vibe. We are not owned by an installer and we do not sell leads to one.

Marcus Reyes · Home-energy analyst

Marcus has spent six years tracking home-solar quotes and utility-rate data across all 50 states. He collects real installer bids and runs the payback math so you do not have to.

How we make money

Some links to equipment or quote services are affiliate links, meaning we may earn a commission at no extra cost to you. It never changes which products we recommend or the numbers in our calculator. If a popular product is a bad buy, we say so.