Energy-Related Federal Financial Assistance Programs
The tool uses NREL market data on the capital and operating and maintenance costs of solar systems, as well as state-specific solar resource data and electricity rates.
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A typical residential solar panel system costs $18,000 to $43,000, depending on what incentives you're eligible for, the size of your system and other factors. Solar tax credits have historically benefited higher-income homeowners. Rebates and loan programs, on the other hand, have the potential to make solar power more accessible for everyone.
Luckily, the U.S. government has your back. Whether you're a low-income homeowner or a rural resident, there are plenty of grants and funding options in 2025 to make solar energy accessible, affordable, and efficient.
1. Green Retrofit Solar Panel Grants Note: Funds must be used within 2 years of receiving them. 2. High Energy Cost Grants Extra tip: You must prove your area's average energy cost exceeds 275% of the national average. 3. Weatherization Assistance Program (WAP) 4. Low-Income Home Energy Assistance Program (LIHEAP)
Solar panel installation costs vary significantly, but a typical residential system starts between 18,000 to $43,000. On the high end, some solar company reviewers tell us they paid up to $100,000 for a complete system. Keep in mind, cost estimates don't always include the solar batteries, which sometimes cost almost as much as the panels.
The tool uses NREL market data on the capital and operating and maintenance costs of solar systems, as well as state-specific solar resource data and electricity rates.
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DSIRE is the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by
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