Solar panels are one of the biggest home upgrades you can make, so the first question is always the same: how much does it actually cost? The short answer for 2026 is that a typical home solar system runs roughly $15,000 to $25,000 installed, and in 2026 that is close to what you actually pay: the 30% federal tax credit expired on 31 December 2025, so a cash or loan purchase gets no federal credit. The real number depends on your system size, your state, and your electric bill. Here is the full breakdown, plus a free calculator to estimate your own cost and savings.
Quick Answer: Average Solar Panel Cost in 2026
| System size | Best for | Installed cost | Federal credit in 2026 |
|---|---|---|---|
| 5 kW | Smaller homes / low bills | ~$15,000 | $0 (expired) |
| 7 kW | Average U.S. home | ~$21,000 | $0 (expired) |
| 10 kW | Larger homes / high bills | ~$30,000 | $0 (expired) |
These use a national average of about $3.00 per watt installed. Your price per watt can be lower or higher depending on your installer, equipment, and state.
Use the calculator above to estimate your own system size, cost, and 25-year savings based on your bill and state.
What Actually Drives the Cost
- System size (kW). The biggest factor. A bigger electric bill needs more panels to offset it.
- Your state and local rates. States with high electricity prices pay off faster.
- Equipment. Premium panels and microinverters cost more but can produce more.
- Roof complexity. Steep, shaded, or multi-section roofs add labor.
- Battery storage. Adding a home battery typically adds $10,000 to $20,000.
The 30% Federal Tax Credit Has Expired
Through 2025, the federal solar tax credit let homeowners claim 30% of the system cost back on their taxes - about $6,300 on a $21,000 system. That is over. The One Big Beautiful Bill, signed 4 July 2025, ended the Section 25D residential credit for any expenditure made after 31 December 2025. Buy with cash or a loan in 2026 and you get no federal tax credit. The one federal credit still touching residential solar is Section 48E, claimed by the company that owns a leased or PPA system - not by you - and it runs through the end of 2027. Full detail: what changed and what is left.
State Incentives Stack on Top
Many states add rebates, tax exemptions, and SREC payments. The strongest 2026 programs: New Jersey, New York, Massachusetts, California. Full list: Solar Incentives by State (2026).
Is Solar Worth It at These Prices?
For most homeowners with a bill above about $120, yes. Typical payback is 7 to 12 years, then the electricity is essentially free for the rest of the panels' life. Over 25 years the average system saves $20,000 to $40,000+. Full breakdown: Is Solar Worth It in 2026?
How to Pay for It
You do not need all the cash up front: cash, a solar loan, or a lease/PPA. Compare them: Solar Financing: Loan vs. Lease vs. PPA.
Get Real Numbers for Your Home
Averages are a starting point. The only way to know your real cost is a quote based on your roof and usage. Compare a few so you are not overpaying.
Frequently Asked Questions
How much do solar panels cost for an average home in 2026?
About $21,000 installed for a typical 7 kW system. With the federal credit expired, that is close to your real out-of-pocket cost unless your state or utility has its own incentive.
How much can I save with solar?
Most homeowners save $20,000 to $40,000 or more over 25 years, with a payback of 7 to 12 years.
Is the 30% federal tax credit still available?
No. Section 25D expired on 31 December 2025. A 2026 cash or loan purchase receives no federal tax credit. Reject any quote that still shows one.
Does the cost include a battery?
No. Standard prices are panels and installation only. A battery typically adds $10,000 to $20,000 before incentives.
Related Guides
- Is Solar Worth It in 2026?
- Solar Incentives by State
- Best Solar Companies
- Solar Financing
- Solar Panel Cost in Florida
Figures are 2026 estimates for general guidance, not financial advice.