Understanding the Cost of Going Solar

Thousands of homes across the United States are installing solar panels and other solar power equipment on their homes. According to the SEIA, the solar industry in the U.S. installed “11.7 gigawatts direct current (GWdc) of capacity in Q3 2025… which was the largest quarter for deployment in the industry’s history.”1 The movement to solar has gotten so big that it may even be impacting the housing market, increasing home prices and helping them sell faster.2 It’s quickly becoming clear that solar power is a major player in the world of energy and has the potential to be a significant opportunity for many homeowners. If you are among those considering the transition to solar and in need of greater understanding about the costs included in this investment, installing solar panels is a long‑term investment that may help reduce energy costs, increase home resilience, and support clean energy goals.

But one of the most common questions homeowners ask is: How much does solar actually cost?

Below is a detailed, transparent, and compliance‑ready breakdown of the factors that influence solar pricing in the United States.

Average Cost of Solar in the U.S.

Solar pricing varies by system size, location, equipment, and installation conditions.

According to ConsumerAffairs, the average homeowner spends about $19,873 after applying the federal tax credit, with total system costs typically ranging from $12,600 to $33,376 depending on system size and location.

A typical 10 kW system costs around $28,241 before incentives and $19,873 after the federal tax credit.

Industry analyses show installed residential systems often fall between $2.50–$3.50 per watt in 2025, depending on market conditions and equipment choices.

Disclaimer: A federal Investment Tax Credit (ITC) may be available, subject to IRS rules. SunPower does not provide tax, legal, or accounting advice. Customers should consult a qualified tax professional.

What Makes Up the Cost of a Solar System?

Solar pricing includes more than just panels. In fact, “soft costs” such as permitting, labor, and overhead make up a significant portion of the total.

Solar Panels

Panel costs vary based on:

  • Efficiency rating

  • Brand and technology

  • Warranty coverage

  • Manufacturing quality

Higher‑efficiency panels may cost more upfront but can help maximize production in limited roof space.

How Incentives Can Reduce Costs

How Incentives Can Reduce Costs

Many homeowners may qualify for incentives that reduce upfront costs:

Federal Investment Tax Credit (ITC):

May reduce the cost of a solar system by a percentage of eligible expenses, subject to IRS rules.

State & Local Incentives:

Some states offer rebates, sales tax exemptions, or property tax exemptions.

Utility Programs:

Net‑metering or buyback programs may provide bill credits for excess energy exported to the grid.

Disclaimer: Incentives and rebates vary by location and may change. Customers should consult a qualified tax professional.

What You’re Really Paying For: Long‑Term Value

What You’re Really Paying For: Long‑Term Value

While solar requires an upfront investment, many homeowners may see long‑term financial benefits:

  • Lower monthly electricity bills

  • Protection from rising utility rates

  • Potential home value impact (some studies suggest solar homes may sell at a premium, though results vary by market)

Actual savings depend on system size, energy usage, local utility rates, and financing.

Factors That Influence Your Solar Cost

Roof Type & Condition:

Older roofs or complex rooflines may require additional work.

Shading & Orientation:

Homes with heavy shading may need more panels or higher‑efficiency equipment.

Energy Usage:

Higher‑usage households may require larger systems.

Local Market Conditions:

Labor rates, permitting fees, and utility policies vary by region.

Why SunPower Systems May Cost More Upfront

Why SunPower Systems May Cost More Upfront

SunPower systems are engineered for high efficiency, durability, and long‑term performance. While premium equipment may be a bigger investment upfront, customers want to maximize energy production over the system’s lifetime.Two Years of Worry-Free Support

Enjoy hassle-free service for two years after installation. If something’s not working, we’ll inspect the issue and help coordinate eligible repairs at no cost to you. We Stand Behind Our Work

SunPower guarantees the quality of your system’s installation—including waterproof roof penetrations and design-related issues—for ten years.
We use premium solar panels and microinverters that come with manufacturer warranties lasting up to 25 years.

Disclaimers

System performance depends on several factors, including shading, weather, and system design.

[1] https://us.sunpower.com/blog/do-solar-panels-increase-value-my-home

[2] https://seia.org/research-resources/us-solar-market-insight/