Blog Solar economics
Is Solar Worth It in the USA in 2026?
The federal residential tax credit expired at the end of 2025, so the payback math changed for every American homeowner. Here is what solar costs now, what decides your break even year, and how to check the numbers for your own roof.
- The 30 percent federal credit for homeowners who buy their own system ended on December 31, 2025. A cash or loan purchase in 2026 gets nothing back from the federal government.
- A typical installed price now runs about $2.40 to $3.40 per watt, so a common 8 kW system lands somewhere near $19,000 to $27,000 before any state help.
- Payback without the credit generally falls between 9 and 13 years, though states with expensive electricity still reach break even in 5 to 7 years.
- What your utility pays for exported power now matters as much as what the panels cost, and in net billing states a battery is often the difference between a good project and a poor one.
Solar has been sold in America for two decades on one simple promise. You pay a large sum today, the sun pays you back slowly, and after some number of years the electricity is free. That promise still holds in 2026, but the arithmetic behind it moved significantly, and a lot of the advice still circulating online was written for a world that no longer exists.
Here is what actually changed, what solar costs today, and how to work out whether it makes sense for your particular roof and your particular utility bill.
The federal tax credit for homeowners is gone
This is the single biggest change, and it is the reason so much older advice is now misleading.
The Residential Clean Energy Credit, known in the tax code as Section 25D, gave homeowners 30 percent of the installed cost of a solar system back as a credit against federal income tax. The One Big Beautiful Bill Act, signed in July 2025, repealed it roughly seven years ahead of its original schedule. The credit ended for systems completed after December 31, 2025.
In practice that means if you buy a solar system with cash or with a loan in 2026, you receive zero federal tax credit. On a $25,000 system, that is $7,500 of support that a buyer in 2024 received and a buyer today does not.
There is one important exception, and it explains why some companies are still advertising a 30 percent credit. Businesses and third party owners can claim a separate commercial credit under Section 48E, currently available for projects placed in service through the end of 2027. When you sign a lease or a power purchase agreement, the provider owns the equipment on your roof, so the provider claims that credit rather than you. Whether any of that value reaches you depends entirely on how the contract is priced, so read the numbers rather than the headline.
State support has not gone anywhere. New York, South Carolina, Massachusetts and several others still run their own credits or rebates, and property tax exemptions for solar remain common. Those are now the incentives that matter, and they vary enormously, so check your own state before assuming anything.
What solar actually costs in 2026
Installed prices across the country generally fall between about $2.40 and $3.40 per watt before incentives, with the spread driven mostly by local labor costs, permitting overhead and how competitive your regional installer market is.
| System size | At $2.40 per watt | At $3.00 per watt | At $3.40 per watt |
|---|---|---|---|
| 6 kW | $14,400 | $18,000 | $20,400 |
| 8 kW | $19,200 | $24,000 | $27,200 |
| 10 kW | $24,000 | $30,000 | $34,000 |
| 12 kW | $28,800 | $36,000 | $40,800 |
Most American homes end up somewhere between 6 kW and 12 kW. The right size depends on how much electricity you use, how much sunlight your location receives, and how much roof you have facing anywhere between east and west through south.
What decides whether it pays
Four things drive the answer, and only one of them is the price of the panels.
The national residential average sits at 18.44 cents per kWh in the May 2026 federal data, but the state range runs from about 12 cents to over 50 cents. Expensive power is what makes solar pay.
Peak sun hours range from roughly 3.5 a day in the cloudy northeast to over 6 in the desert southwest. That difference alone changes annual production by more than half.
Whether your utility credits exported power at the retail rate or at a much lower avoided cost rate can swing lifetime savings by tens of thousands of dollars.
Electricity you consume the moment your panels make it is worth full retail every time. Working from home, an electric vehicle or a pool pump all improve the return.
Net metering versus net billing, the detail most people miss
This is the part that trips up buyers who read a national article and assume it applies locally.
Under traditional net metering, your meter effectively runs backward. A kilowatt hour you export in the afternoon offsets a kilowatt hour you import at night, one for one, at full retail value. Under this arrangement the grid works like a free battery, and oversizing your array is a reasonable strategy. Many states still work this way.
Under a net billing tariff, exports are paid at the utility's avoided cost, which is far below retail. California moved to this model with NEM 3.0 in 2023, and other states are following. Exported power might earn 5 to 8 cents while the electricity you buy back in the evening costs 30 cents or more. Send power out at 6 cents and buy it back at 35 cents and you lose money on every unit you export.
That single change rewrites the strategy. In net billing territory the goal is no longer to produce as much as possible, it is to use as much of your own production as possible. A battery stores your cheap afternoon surplus and releases it during the expensive evening peak, so instead of earning 6 cents you avoid paying 35. That is why batteries went from a luxury to close to a requirement in these states, and why a smaller array paired with storage often beats a larger array on its own.
So how long does payback take now?
Without a federal credit, most homeowners are looking at roughly 9 to 13 years to break even. With the credit still in place the same systems typically landed at 7 to 10 years, which gives you a sense of how much the repeal cost buyers.
The national range is wide. States that combine expensive electricity with a live state incentive can still reach break even in 5 to 7 years. States with cheap power and no state program can push past 13. Against panels warranted for 25 years and likely to produce well beyond that, even a 12 year payback leaves more than a decade of essentially free electricity, which is why solar continues to pencil for many households despite losing the credit.
One factor works quietly in your favor. Residential electricity prices have been climbing faster than general inflation, up more than 6 percent over the past year. Every increase makes the power your roof produces more valuable and pulls your break even year closer.
Work out your own number
National averages are useful for orientation and useless for a decision. Your rate, your sun hours, your roof and your utility's export policy determine your answer, and those four inputs vary more than the price of the hardware does.
Our solar payback and ROI calculator loads current electricity rates, installed costs and incentive data for all fifty states, then returns your break even year, your return over 25 years and the full annual cash flow. If you want to start with sizing instead, the panel count calculator works backward from your monthly kilowatt hours. Every formula and data source we use is published on our methodology page.
One last piece of advice that has not changed. Collect at least three quotes, insist that each one states the system size in kW, the installed cost per watt and the expected annual production in kilowatt hours, and be skeptical of any savings figure you cannot reproduce yourself. A quote you can verify is a quote you can trust.
Common questions
Is there still a federal solar tax credit in 2026?
Not for homeowners who buy their own system. The Residential Clean Energy Credit under Section 25D ended on December 31, 2025, so a cash or loan purchase completed in 2026 receives no federal credit. Businesses and third party owners such as lease and power purchase agreement providers can still claim 30 percent under Section 48E for projects placed in service by the end of 2027, which is why some leases still advertise a credit.
How long do solar panels take to pay for themselves now?
Most American homeowners buying in 2026 without a federal credit are looking at roughly 9 to 13 years. States with expensive electricity and strong local incentives can still reach break even in 5 to 7 years, while states with cheap power and no state program can stretch past 13 years. Your own electricity rate is the single largest factor.
Do I need a battery for solar to be worth it?
It depends entirely on how your utility pays for exported power. Under full retail net metering the grid acts as a free credit bank and a battery is optional. Under a net billing tariff such as California NEM 3.0, exports earn roughly 5 to 8 cents while evening electricity costs 30 cents or more, so a battery that shifts your own solar into the evening is usually what makes the project work.
Do solar panels damage your roof?
A correctly flashed installation does not. Mounts penetrate the roof deck and are sealed with flashing that is designed to last as long as the array. The real risk is timing. If your roof has fewer than about ten years of life left, replace it before the panels go on, because removing and reinstalling an array later typically costs a few thousand dollars.
Will my panels keep working in a blackout?
A standard grid tied system shuts down during an outage. This is a safety requirement so that your system does not feed electricity into lines that utility crews are repairing. Backup power during an outage requires a battery and a transfer switch, or an inverter with a dedicated backup circuit.
How long do solar panels last?
Most manufacturers warrant panels for 25 years and guarantee around 85 to 90 percent of the original output at the end of that term. Panels usually keep producing well past the warranty at a slowly declining rate of roughly 0.5 percent per year. Inverters are the shorter lived part and often need replacement once in a system lifetime.