Solar Panel Installation Costs Per State: A Comprehensive Guide
The cost of solar panel installation has been a topic of interest for many homeowners in the United States. The average cost of solar panels in the US is $2.50-$3.50 per watt before incentives, making a typical 6kW system cost between $10,500-$14,700 with the 30% federal tax credit. However, the cost of solar panel installation can vary significantly depending on the state and local factors such as incentives, utility rates, and permitting fees.
How We Calculate Solar Costs
Our state-by-state solar cost estimates are based on average installation prices per watt, typical residential system sizes (7.5 kW), local utility rates, available state and federal incentives, and average peak sun hours. These estimates are designed to provide a comprehensive view of the costs involved in solar panel installation and are regularly updated to reflect changes in the industry and local market conditions.

State-By-State Solar Panel Installation Costs
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California
California has the highest cost of solar panel installation in the US, with an average price of $2.75 per watt. However, the state offers some of the most generous incentives, including a 30% state tax credit and a $1,000 rebate for installing solar panels.
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New York
New York has an average solar panel installation cost of $2.63 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.
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Florida
Florida has an average solar panel installation cost of $2.55 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.
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Texas
Texas has an average solar panel installation cost of $2.45 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.
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Illinois
Illinois has an average solar panel installation cost of $2.50 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.
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Pennsylvania
Pennsylvania has an average solar panel installation cost of $2.57 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.
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Ohio
Ohio has an average solar panel installation cost of $2.49 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.
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Georgia
Georgia has an average solar panel installation cost of $2.53 per watt. The state offers a 25% state tax credit and a rebate program for installing solar panels.
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North Carolina
North Carolina has an average solar panel installation cost of $2.45 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.
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South Carolina
South Carolina has an average solar panel installation cost of $2.47 per watt. The state offers a 30% state tax credit and a rebate program for installing solar panels.