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The 30C tax credit was extended through 2032 by the Inflation Reduction Act, but with a major geographic restriction. You must check your address on the Department of Energy's 30C Eligibility Locator map. If your census tract does not qualify, you cannot claim the credit.
If you do qualify, the credit covers both the charging station and the professional installation, including permit fees and any necessary wiring. Because it is a tax credit, you must have federal tax liability to benefit from it—it is non-refundable.
To claim it, save your itemized invoice from the electrician and your charger receipt, and file IRS Form 8911 with your tax return for the year the charger was installed.