Solar panels: do they add value, or just lower the bill?

I keep seeing more properties advertised "with solar panels" as if that, on its own, settled the argument.

Sometimes it adds value.

Sometimes it just lowers the electric bill.

And those aren't quite the same thing.

Because one thing is the monthly saving. Another is how much of that the next buyer is actually willing to pay you for.

The common mistake is assuming that if the system cost a lot, it's automatically worth a lot more at resale. It doesn't always work that way.

What I look at:

— Is the system owned or financed? A system with debt, a lease, or a tied contract can complicate a closing.
— Who actually gets the saving? If the property is rented and the tenant pays the electricity, often the owner doesn't keep the benefit.
— How new is the system? Panels, inverters, and batteries have a lifespan. A system from years ago isn't worth the same as a recent, well-maintained one.
— How defensible is the saving? Not "it drops a lot." How much did the bill actually drop? Are there invoices?

Because here's the difference:

Lowering a monthly expense doesn't always mean raising resale value proportionally.

Sometimes it does add value. But the market rarely pays dollar-for-dollar what it cost to install.

Having panels says little on its own. What matters is whose saving it is… and how defensible it is.

Before paying a solar premium, what I'd ask to see:
— Whether the system is owned or carries tied debt/lease.
— The real monthly saving, with invoices.
— The age of the system and who installed it.
— What maintenance or replacements are coming soon (inverter, batteries, etc.).

Well thought out, they can lower a real cost every month. Misread, they can end up being a green photo in the listing.