As of recent data, the average cost for solar power systems ranges between $2,500 and $3,000 per installed kilowatt, meaning a standard residential solar installation typically costs around $15,000 to $25,000 for a system size of 5 to 10 kilowatts, 2. 50 per watt installed, making the technology more accessible than ever before. Federal Tax Credit Urgency: With Congress proposing to end the 30% federal tax credit after 2025, homeowners. . As of 2026, the average cost of residential solar panels in the U. is between $15,000 and $25,000 before incentives. This typically translates to about $2. The total price depends on your system size, location, roof type. . A typical American household needs a 10-kilowatt (kW) system to adequately power their home, which costs $28,241 in 2025. NOTE: Under the “One Big Beautiful Bill Act” signed in July 2025, the federal solar. . A 7. Using a solar loan makes solar panels more expensive! When you finance solar panels using a loan. .
