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Pick your state for local costs, incentives and solar companies. No contact details needed.

Estimated price per watt before incentives, by state

  • Under $2.70
  • $2.70–$2.84
  • $2.85–$2.94
  • $2.95–$3.09
  • $3.10 and up

US average: $2.89 per watt. From our September 2026 Cost Index. Estimates, not quotes. How we estimate prices

Alabama: about $3.44 per watt, the highest of 51Alaska: about $3.15 per watt, 47th lowest of 51Arizona: about $2.56 per watt, tied 2nd lowest of 51Arkansas: about $2.56 per watt, tied 3rd lowest of 51California: about $2.85 per watt, tied 21st lowest of 51Colorado: about $3.02 per watt, tied 37th lowest of 51Connecticut: about $2.80 per watt, tied 18th lowest of 51Delaware: about $2.83 per watt, 20th lowest of 51Florida: about $2.46 per watt, the lowest of 51Georgia: about $2.78 per watt, 16th lowest of 51Hawaii: about $3.14 per watt, tied 45th lowest of 51Idaho: about $2.96 per watt, 33rd lowest of 51Illinois: about $3.05 per watt, tied 40th lowest of 51Indiana: about $2.97 per watt, 34th lowest of 51Iowa: about $3.07 per watt, 42nd lowest of 51Kansas: about $2.87 per watt, tied 25th lowest of 51Kentucky: about $2.65 per watt, 7th lowest of 51Louisiana: about $2.69 per watt, 9th lowest of 51Maine: about $3.05 per watt, tied 41st lowest of 51Maryland: about $2.80 per watt, tied 19th lowest of 51Massachusetts: about $3.02 per watt, tied 38th lowest of 51Michigan: about $3.09 per watt, 43rd lowest of 51Minnesota: about $3.11 per watt, 44th lowest of 51Mississippi: about $2.59 per watt, 5th lowest of 51Missouri: about $2.74 per watt, 12th lowest of 51Montana: about $2.73 per watt, 11th lowest of 51Nebraska: about $2.91 per watt, tied 28th lowest of 51Nevada: about $2.68 per watt, 8th lowest of 51New Hampshire: about $2.92 per watt, tied 30th lowest of 51New Jersey: about $2.92 per watt, tied 31st lowest of 51New Mexico: about $2.71 per watt, 10th lowest of 51New York: about $3.02 per watt, tied 39th lowest of 51North Carolina: about $2.76 per watt, 13th lowest of 51North Dakota: about $3.39 per watt, 50th lowest of 51Ohio: about $2.77 per watt, tied 14th lowest of 51Oklahoma: about $2.64 per watt, 6th lowest of 51Oregon: about $2.77 per watt, tied 15th lowest of 51Pennsylvania: about $2.87 per watt, tied 26th lowest of 51Rhode Island: about $2.87 per watt, tied 27th lowest of 51South Carolina: about $2.85 per watt, tied 22nd lowest of 51South Dakota: about $2.85 per watt, tied 23rd lowest of 51Tennessee: about $3.18 per watt, 48th lowest of 51Texas: about $2.57 per watt, 4th lowest of 51Utah: about $3.01 per watt, tied 35th lowest of 51Vermont: about $2.91 per watt, tied 29th lowest of 51Virginia: about $2.79 per watt, 17th lowest of 51Washington: about $2.86 per watt, 24th lowest of 51West Virginia: about $2.93 per watt, 32nd lowest of 51Wisconsin: about $3.01 per watt, tied 36th lowest of 51Wyoming: about $3.14 per watt, tied 46th lowest of 51Washington DC: about $3.21 per watt, 49th lowest of 51

Small states:CT Connecticut, $2.80 per wattDE Delaware, $2.83 per wattDC Washington DC, $3.21 per wattMD Maryland, $2.80 per wattMA Massachusetts, $3.02 per wattNH New Hampshire, $2.92 per wattNJ New Jersey, $2.92 per wattRI Rhode Island, $2.87 per wattVT Vermont, $2.91 per watt

See the full list of states

What would you like to know?

How much do solar panels cost?

See what goes into the price of a home solar system.

Would solar be worth it for me?

Your roof, electric bill and plans for your home all matter.

Can I get help with the cost?

Look up solar incentives, including discounts and tax breaks.

How can I pay for solar?

Compare paying upfront, taking a loan and leasing.

Is “free solar” really free?

No payment today can still mean years of payments later.

Which solar companies should I look at?

Read about companies and what to check before choosing one.

See what is behind our solar prices.

The EcoGen Solar Database brings together the state records behind our guides. Our Solar Cost Index uses those records to estimate installation prices.

The September 2026 edition draws on government and laboratory data, plus marketplace quotes. These are estimates for comparing similar systems. Your roof, equipment and payment plan can change your price.

Trevor GuildayFounder; leads the team behind the Cost Index.

Read how we estimate solar costs

A Georgia price example

From our September 2026 Cost Index. This is a modeled estimate, not a customer’s bill.

System size
9.21 kW
Estimated price per watt
$2.78
Estimated price
$25,604

Before incentives and loan costs.
Prices dated September 25, 2026.

Read the Georgia cost guide
Show the calculation and sources

9.21 kW is 9,210 watts. Multiply 9,210 by $2.78 and round to the nearest dollar.

Our Georgia guide uses the middle system size in its cited sample of 351 Georgia installations from 2025. The underlying data comes from Berkeley Lab’s solar dataset. EcoGen estimates the price per watt.

Georgia figures and sources
How we work out solar prices

Look beyond a solar company’s sales pitch.

Use our solar company guides to look up providers. Before choosing one, check the license, where it works and what its warranty covers.

A company earns the badge when it passes our three published checks:

  • An active state license.
  • Published evidence that it installs in the state.
  • A workmanship warranty that covers holes made in your roof.

The badge records checks on a stated date. It is not a guarantee of the work or a place in our paid referral service.

Dean MahmoudCEO; maintains our installer-checking method.

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Solar panels alone generally switch off when the grid goes down. Backup power needs a system set up for it, including a battery. Read the Department of Energy’s explanation.

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EcoGen America publishes solar research and homeowner guides. We also earn fees for connecting homeowners with solar providers.

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We do not compare every company. A company that contacts you may not have passed our separate EcoGen Verified checks. Read what you are agreeing to on the form before sending your details.

If you use the home check, treat any price it gives you as an estimate. An installer’s quote may be different.

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