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Some states and even local governments offer rebates on top of the federal tax credit. To find these, you'll need to do some digging on your state's energy website or check with your local utility. . The Residential Clean Energy Credit equals 30% of the costs of new, qualified clean energy property for your home installed anytime from 2022 through December 31, 2025. You may be able to take the credit if you. . Solar installations must comply with the National Electrical Code (NEC) and local fire codes, which ensure proper system grounding, appropriate wire sizing, and clear access paths for firefighters on rooftops. Any system installed after this year won't qualify for the discount that's helped millions of households cut thousands off their installation costs.