Is solar worth it for your home? Find out free.

We run the numbers on your actual roof, tell you straight whether it pays, and — only if you want — match you with one vetted installer. No sales calls. No pressure.

Built by a former renewable-energy research scientist. The same engine behind our published studies. We're paid a flat fee and sell no panels, so our verdict doesn't change with your choice.

Get your free analysis

Send us your address. We'll email your report within one business day.

What you get

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An honest verdict. Good investment, close call, or not worth it — and we'll say so plainly if solar doesn't pay at your home.

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The right-sized system and strategy. How big, battery or not, and the smartest way to pay.

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Your real savings, every way to pay. Cash, loan, lease, and PPA compared over 25 years.

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A fair-price benchmark. Know what a reasonable price looks like before anyone quotes you.

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One hand-vetted local installer — only if you ask. Licensed, insured, with its own crews.

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A quote check. Already got a quote? We'll tell you whether it's worth pursuing.

How it works

Send your address

One email (or the form above) starts it. Add your bill or a quote if you have them.

We do the homework

We model your roof and bills and build you a detailed, honest report.

You decide

Keep the report and owe nothing, or ask us to match you with a vetted installer and guide you through.

Why trust us

Independent. We sell no panels and take no cut from any installer that changes our advice — we're paid a flat fee, the same whichever installer you choose.
Built by a scientist. The analysis comes from a former renewable-energy research scientist, on the same model behind our published studies.
Private. No phone number required, nobody calls you, and nothing is shared with an installer unless you ask.
No lock-in. You decide whether to go solar, and you sign with the installer yourself — never with us.

And a thank-you: if you go ahead with an installer we match you to, we share our finder's fee with you — up to $500 once your system powers on.

What homeowners say

"Being able to test-drive different system setups before even getting quotes gave me a lot more confidence in advocating for myself. In the past we were told our roof wasn't large enough to justify solar — your website showing exactly how much sun each area of our small, complicated roof gets was illuminating. The graph showing how the battery, solar, and grid would interplay was mind-blowingly useful. I now feel much more certain and settled about the decision. I don't think we'd have had the confidence to go solar without it."
— Julieta, Austin TX

Learn more — see what we did, and a sample report →