What is a good price per watt for solar in 2026?

Residential systems commonly run about $2.50 to $3.50 per watt installed before any state or local incentives, though it varies by region, roof complexity, and equipment. Use that range as a sanity check: a quote far above it should justify the premium, and one far below it is worth scrutinizing for cheaper equipment or a weaker warranty.

Is the cheapest solar quote the best one?

Not automatically. The lowest price per watt can reflect cheaper panels, a shorter or weaker warranty, a subcontracted crew, or a company cutting corners to win volume. This tool flags a near-full deposit and a short labor warranty for exactly that reason. Compare value, not just price.

Solar Quote Comparison Calculator

Q: How do I compare two solar quotes?

Convert each quote to price per watt by dividing the total price by the system size in watts (kilowatts times 1,000). That puts differently sized systems on equal footing, so a larger system at a lower per-watt price is comparable to a smaller one. Then weigh the per-watt price against equipment quality, warranty length and backing, and the company's financial stability.

Solar quotes are almost impossible to compare at a glance, because every company proposes a different system size at a different total price. This tool converts each bid to price per watt, the one number that makes them comparable, marks the best value, and flags the terms worth a second look before you sign.

Quote A

System size (kW) Total price ($) Workmanship warranty (years) Deposit required (%)

Quote B

System size (kW) Total price ($) Workmanship warranty (years) Deposit required (%)

Quote C

System size (kW) Total price ($) Workmanship warranty (years) Deposit required (%)

Enter each quote's system size and price to compare them by price per watt.

Price per watt (total price divided by system watts) is the number that puts differently sized quotes on equal footing. The lowest price per watt is usually the better value, but weigh it against equipment quality, warranty backing, and whether the company is financially stable. Educational estimate only, not financial advice.

Why price per watt is the number that matters

A $21,000 quote and a $24,000 quote tell you nothing until you know how big each system is. Price per watt (the total price divided by the system size in watts) strips out that difference, so a larger system at a lower per-watt price is on equal footing with a smaller one. It is the single fastest way to see which bid is actually the better deal.

As a 2026 sanity check, residential systems commonly land around $2.50 to $3.50 per watt installed before any state or local incentives. A quote well above that range should justify the premium with better equipment or a stronger, third-party-backed warranty. A quote well below it is worth scrutinizing.

What the flags mean

Near-full payment upfront: a deposit at or near 100 percent removes your leverage if the company delays, underperforms, or fails. Standard practice is a modest deposit with the balance tied to milestones.
Short labor warranty: a workmanship warranty under 10 years is worth questioning, and what matters most is whether it is backed by a third party so it survives if the installer goes out of business.

Price is only one input. For the full method, see how to choose a solar company, and to model your break-even once you have picked a system, use the solar payback calculator.

Add this calculator to your site

Free to use on your own site or blog. Copy the code below and paste it where you want the calculator to appear; the attribution links back to this page.

<iframe id="ccr-embed-solar-quote-comparison" src="https://clearchoiceradar.com/embed/solar-quote-comparison/" style="width:100%;max-width:760px;height:720px;border:0;" loading="lazy" title="Solar Quote Comparison Calculator"></iframe>
<p>Calculator by <a href="https://clearchoiceradar.com/industries/solar/solar-quote-comparison/">ClearChoiceRadar</a></p>
<script>window.addEventListener("message",function(e){if(e.origin!=="https://clearchoiceradar.com")return;var d=e.data;if(!d||!d.ccrEmbed||d.slug!=="solar-quote-comparison")return;var f=document.getElementById("ccr-embed-solar-quote-comparison");if(f&&d.height)f.style.height=d.height+"px";});</script>

The widget auto-sizes to fit; adjust the height if you prefer a fixed size. Works on mobile.

Frequently asked questions

How do I compare two solar quotes side by side?

Convert each to price per watt (total price divided by system watts), which makes different system sizes comparable, then line up the equipment make and model, the production estimate, the warranty length and backing, and who performs the install. The most complete quote is usually a better signal than the cheapest one.

What is a good price per watt for solar?

Residential systems commonly run about $2.50 to $3.50 per watt installed before incentives in 2026, varying by region and equipment. Use it as a sanity check rather than a hard rule: justify anything far above it, and scrutinize anything far below it.

Does a lower price per watt mean a better deal?

Usually, but not always. A very low per-watt price can mean cheaper panels, a weaker warranty, or a company cutting corners. Weigh it against equipment quality, warranty backing, and financial stability, which is why this tool also flags a near-full deposit and a short warranty.

How many solar quotes should I compare?

At least three, which the Federal Trade Commission recommends as a floor. Three quotes reveal the real price range for your roof and expose any single bid that is padded or lowballed.

Ready to compare companies, not just prices?

Bring these numbers to every conversation, then see how the providers themselves stack up on fees, warranties, and red flags.

Compare solar companies

We earn compensation from companies featured on this site. This compensation may influence which companies appear and their placement. Full disclosure