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Independent · not an installer

Will solar actually pay off for your house?

Get the real number before a single sales call. Enter your ZIP and your electric bill; we'll size a system, subtract the tax credit, and tell you the year it pays for itself.

No installer, nothing to sell you Built on NREL & EIA data A number to check quotes against

Get your payback report

$15 · instant PDF · no account

Secure Stripe checkout. PDF delivered in seconds.

What you get

A straight answer, in plain English.

Not a lead-capture form that hands your number to three installers. A PDF you can read in five minutes and take to any quote.

01

Your payback year

The year your savings pass what the system cost, after the federal tax credit and any state incentive.

02

The right system size

Sized to your actual usage and your roof's sun, with the estimated cost before and after incentives.

03

25-year savings

Year-by-year break-even with realistic rate rises and panel wear, so you see the whole picture, not a sales headline.

A real example

What the report looks like.

A home in Arizona on a $220/month bill, average roof. Your numbers depend on your state, your usage, and your sun.

Solar Payback · Phoenix, AZ10.5 kW
Installed cost (10.5 kW × $3.00/W)$31,500
Federal tax credit (30%)−$9,450
Arizona state credit−$1,000
First-year savings$2,600/yr
Pays for itself in7.4 years

Why trust it

The whole point is that we're not selling you panels.

Installer calculators are built to make the answer look good. This one isn't. It uses the same public data an honest engineer would, and it tells you when solar is a slow payback in your state, too.

30%
Federal tax credit, applied
25 yr
Break-even modelled
NREL
+ EIA data behind it
$15
One-time, no upsell

Know your number before you pick up the phone.

Fifteen dollars, a couple of minutes, and you'll never wonder if a quote is fair again.

Get my payback report · $15