Solar panels can save you money on your electric bills and reduce your carbon footprint, but they’re expensive to install. Fortunately, the U.S. government offers a federal solar tax credit to make the transition to solar more affordable and lower your tax bill.

In this article, we detail what the federal solar tax credit is, how to use it, and other tax credits you can take advantage of.

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What Is the Federal Solar Tax Credit?

The federal solar tax credit, also known as the solar Investment Tax Credit (ITC), allows you to reduce your federal taxes by up to 30% of your solar panel installation costs. The policy was introduced as part of the Energy Policy Act of 2005 and was initially set to expire in 2007. However, Congress has extended the policy multiple times, giving homeowners more time to take advantage of the deduction.

The ITC policy has remained the same since its introduction, but the rate has fluctuated. It was set at 30% from 2016 to 2019, but reduced to 26% in 2020 and was set to remain at that rate for the remainder of 2022.

In August 2022, Congress passed the Inflation Reduction Act, which included an extension of the ITC. The 30% credit is available through 2032. The ITC will drop to 26% in 2033 before reducing to 22% in 2034. It will end in 2035 unless Congress renews it again.

You can also claim the credit for stand-alone solar batteries with a minimum of 3 kilowatt-hours (kWh) of capacity. The battery does not have to be directly tied to a solar panel system to qualify.

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How Does The Federal Solar Tax Credit Work?

The ITC works be reducing your owed federal taxes. Note that it’s a tax credit, not a tax refund. The difference is that a tax refund is paid out to you, while a tax credit reduces the amount of taxes you owe. If the taxes you owe are less than your federal solar tax credit, the Internal Revenue Service (IRS) will not refund you for the cost. Instead, the deduction will roll over to the following year.

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For information on whether you qualify in more specific circumstances, such as if you’re not a homeowner or you use part of your home as an office or commercial space, visit the Department of Energy’s website.

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What’s Covered Under the Solar Investment Tax Credit (ITC)?

The ITC applies to the total cost of the system, labor, and any additional equipment that supports the system. The following equipment meets the eligibility requirements:

• Solar photovoltaic (PV) panels or PV cells
• Labor costs for the preparation and installation of your solar PV system, including permits, developer, and inspection fees
• Solar storage devices charged by the PV system
• Additional equipment that supports the solar system, including mounting equipment, inverters, and wiring
• Sales taxes on qualified expenses (when applicable)

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How Do I Calculate My Federal Solar Tax Credit?

To calculate your federal solar tax credit amount, simply multiply your total solar installation cost by the ITC’s current rate—in this case, 0.3.

For example, if you spent $20,000 on your solar project, you can claim $6,000 on your federal taxes ($20,000 x 0.3). If you owe $16,000 on your federal taxes, this would reduce your owed tax to $10,000. If you owe $4,000 on your federal taxes, this would reduce your owed taxes to $0. The remaining $2,000 in credit would roll over to the following year.

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How Do I Claim the Federal Solar Tax Credit?

Homeowners will need the necessary tax forms to receive the ITC. The IRS provides detailed instructions for completing the tax form on its website. Below is a general overview of the steps to file*:

1. Use IRS Form 5695 when you file your federal tax returns.
2. You will complete Part 1 of the form to calculate your renewable energy tax credit. Keep your receipts for your solar system project and enter the information accurately.
3. Enter the amount of your tax deduction on your 1040 form.

*We are not a professional tax service provider or preparer. All information provided is for educational purposes only. Please consult a tax professional for tax advice about your federal income tax preparation. You can also contact the IRS directly for any additional information.

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Solar Tax Credits and Incentives by State

The ITC isn’t the only incentive available to homeowners. There are additional tax credits, rebates, and incentives at the state, city, and municipality levels. However, availability varies by state. You can learn more about solar incentives specific to your state by following the links below, or by visiting the Database of State Incentives for Renewables and Efficiency (DSIRE) website and entering your ZIP code.

Here’s an overview of other incentives you may qualify for:

Solar Renewable Energy Certificate

A Solar Renewable Energy Certificate (SREC) is a state incentive program that rewards you for the energy your system produces. After registering your system with the state program, you will receive SRECs based on a threshold of kilowatts produced. Homeowners can sell SRECs to utility companies or individuals for profit, but those funds are considered taxable income.

The Renewable Energy Portfolio Standard Program in Washington, D.C., is an example of this type of state incentive.

State Government Rebates

Some local governments offer rebates to encourage residents to transition to solar power. These one-time payments are provided for a limited time and do not count as additional income. For example, the Philadelphia Solar Rebate program offers 20 cents per watt based on the size of the residential project.

State Tax Credits

Solar state tax credits provide similar savings to the ITC but on the state level. These credits reduce your state tax liability and vary in amount and availability. New York offers a generous state tax credit of 25% of your system’s total installation cost.

Tax Exemptions

Property value and property tax increase with typical home renovations, upgrades, and additions. However, many states have made an exception for solar panel installations. Homeowners can benefit from the added value of the solar system without the added tax liability or property cost.

Utility Company Rebates

Utility companies may offer rebates to offset solar system costs. These vary by company and can be applied directly to your energy bill or be paid directly to you. Check the terms of your utility company rebate for details about the form of payment.

Texas, in particular, offers numerous utility rebate programs throughout the state, including its largest energy providers, such as  Austin Energy and CPS Energy.

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Do Other Solar Incentives and Rebates Affect the ITC?

Solar customers can take advantage of other solar rebates, tax credits, and renewable energy certificates in addition to the ITC. While most incentives don’t affect the ITC directly, some may reduce your total installation cost, and thus the amount you report to the IRS on your tax return. For example, utility rebates usually don’t count toward your income tax and are instead deducted from your total solar system installation cost.

Incentives such as renewable energy certificates and state rebates won’t affect the ITC. However, these incentives affect other aspects of your income tax. State government rebates are added to your taxable income but don’t affect the federal income tax credit.

State tax credits reduce the taxes you owe at the state level. However, as your owed state tax amount decreases, the amount of your owed federal income tax increases due to having less state tax to deduct.

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Our Conclusion

The cost of going solar may seem steep, but the federal solar tax credit helps offset some of those expenses. This tax credit, along with other solar incentives, credits, rebates, and programs like net metering can significantly reduce your total solar investment, and reduce your electric bill.

Since the ITC has an expiration date, homeowners interested in going solar should take advantage of it soon. Reputable solar energy installers in your area can help to inform you about additional state and local incentives to further reduce costs.

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FAQ About the Federal Solar Tax Credit

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