Solar in Pennsylvania costs about $2.87 per watt, so the 8.26 kW system Pennsylvania homeowners typically install runs $23,706 before the 6% sales tax, which adds $1,422 on the day you buy. What pays that back is full-retail net metering: every kWh you export earns a one-to-one credit, so the best-case payback is about 9.9 years, if every kWh the 8.26 kW system makes replaces power at the 20.70¢ state average.
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$23,706 on the quote, $25,128 at signing: what Pennsylvania adds to a solar price
Pennsylvania charges its 6% sales tax on residential solar equipment and installation, with no exemption. It rarely shows in a per-watt quote. Nothing comes off the other side either.
Typical 8.26 kW Pennsylvania system at $2.87 per watt
Philadelphia adds 2% local tax and Allegheny County adds 1%, so a Philadelphia buyer pays 8% in total. For how Pennsylvania prices compare with the rest of the country, see our state-by-state solar pricing.
The 30% federal credit is gone for systems you ownThe Residential Clean Energy Credit, Section 25D, ended for systems completed after December 31, 2025. Buy with cash or a loan in 2026 and your net cost equals your gross cost. Pennsylvania has no state credit to replace it.
Competitive or premium: Pennsylvania quote bands from 6 kW to 12 kW
Shopping several installers brings a quote toward $2.56 a watt. Premium panels and full-service sales channels push it to $3.16. The Index figure of $2.87, tied 26th lowest of 51, sits between them.
Size rows are quote ranges at the competitive-to-premium band of $2.56 to $3.16 a watt. The battery figures add one 13.5 kWh unit at $13,500. All figures are before the 6% sales tax and vary by roof, equipment and installer.
A sanity check on any quoteThe federal modeled benchmark for residential solar is $3.25 a watt. A competitive Pennsylvania quote should come in under that.
A battery buys backup, not savingsFull-retail net metering already credits exports at the retail rate, so a battery earns almost nothing on rate arbitrage here. Buy one for resilience.
Tax, old wiring and historic blocks: the Pennsylvania costs a per-watt price leaves out
The per-watt price covers the panels and the install. These items sit on top of it, or pull it down.
+What adds to a Pennsylvania total
- The 6% sales taxCharged on equipment and installation with no exemption, per Department of Revenue guidance. Philadelphia adds 2% and Allegheny County 1%.
$1,422 on a $23,706 system - No property-tax breakThe state assessment law, 53 Pa.C.S. §8811, lists wind but is silent on solar. The added home value can raise your assessment, depending on the county.
- A 100 to 150 amp serviceA large share of Pennsylvania’s older homes need an upgrade to 200 amps before solar can connect. It does not show in the per-watt figure.
$2,000 to $4,000 - Historic districtsSociety Hill, Chestnut Hill and designated districts statewide can require a certificate of appropriateness for street-visible panels. That adds time and cost.
−What pulls a Pennsylvania quote down
- A crowded installer fieldMany installers compete across the state, which trims the soft costs built into a quote.
- Philadelphia’s EZ permitPermits for panel installs are issued the same day.
One-for-one at retail until May 31: how Pennsylvania credits the power you export
With the federal credit gone, the value case rests on how Pennsylvania credits your exports. Under 52 Pa. Code §75.13, the rule is the strongest version available.
Every kWh you export
Each exported kWh earns a one-to-one credit with generation, transmission and distribution all included, against a 20.70¢ statewide rate. Credits roll over month to month.
Credit left on May 31
At the close of the compliance year, leftover credit is paid out at the lower Price-to-Compare, the utility’s default generation-and-transmission rate.
Size to your usage, not your roofA system sized to your annual use captures full value. Oversizing past your usage only banks credits you cash out at the lower year-end rate. The 50 kW residential cap is far above the typical 8.26 kW system.
Net metering and SRECs are the entire Pennsylvania incentive list
Each megawatt-hour your system makes earns one credit, worth about $33.20 at the weighted-average price. Recent spot trades ran lower, at $22.50. Treat it as volatile upside.
Pennsylvania has no state tax credit, no statewide cash rebate and no tax exemptions for home solar. PECO customers can get a one-time $500 rebate for a new system if they apply within 90 days after it starts running, while funds last.
The company that owns the system can still claim the commercial credit and pass some of it into your rate. A project that starts construction after July 4, 2026 must be in service by December 31, 2027 to qualify. Ask the provider to show that your project qualifies.
For the full picture, see Pennsylvania’s complete solar incentive guide.
About 9.9 years at best: the Pennsylvania payback, and how your utility moves it
The typical 8.26 kW system makes about 11,570 kWh a year, worth about $2,395 in the first year at the 20.70¢ statewide average. Best-case payback: about 9.9 years, if every kWh replaces power at that rate. Your own utility’s rate moves that number: higher-rate utilities pay back faster, lower-rate ones slower.
Every Price-to-Compare increase lifts the value of a system you already own, so a longer payback at a low-rate utility can still be a sound long-term call. For the long-run return, see whether solar is worth it in Pennsylvania.
Real payback runs a little longerThe best case counts every kWh at the all-in average rate, which includes the fixed customer charge that solar does not avoid. Strip that charge out and each kWh saves a little less.
Cash keeps the SRECs, a lease keeps the federal credit: paying for a Pennsylvania system
The end of the federal credit reshuffled the choice. The three ways to pay no longer line up the way they did in 2025.
Pay cash
You own the system
Upfront
The full $23,706, plus the 6% sales tax.
Monthly
Nothing. You keep every net-metering credit.
Credits
No federal credit in 2026. You keep the SRECs.
Watch out for
With no 30% credit, payback runs longer than it did in 2025.
The strongest long-run return: about $2,395 a year at the statewide average, growing as rates climb.
$0-down loan
You own the system
Upfront
$0 down.
Monthly
A loan payment. Make sure it beats your current electric bill.
Credits
No federal credit in 2026. You keep the SRECs.
Watch out for
Dealer fees of 15% to 30% of the principal, folded into the financed amount.
Ownership without cash. Compare the cash price with the total you would repay.
Lease or PPA
The company owns the system
Upfront
$0. Both are legal in Pennsylvania.
Monthly
A monthly fee or a price per kWh.
Credits
The owner claims Section 48E and can pass some of it into your rate. You do not collect the SRECs.
Watch out for
An escalator of 1.9% to 2.9% a year, the cost most buyers overlook.
The only way to still capture the federal credit in 2026.
Read this before a $0-down pitchSee how free solar offers work in Pennsylvania.
A $15 charge and no community solar: Pennsylvania homes where the numbers stop working
Two Pennsylvania facts decide where solar falls short: a $15-a-month non-bypassable customer charge that keeps the bill from reaching zero, and no community-solar program to catch the homes a rooftop system cannot serve.
- You use under 400 to 500 kWh a month. A 400 kWh home needs only a small system. Small systems cost $3.50 to $4.00 a watt, and the $180-a-year customer charge stays, so payback stretches well past the typical home’s.
- Your roof has under 10 to 15 years left. Replace it first. Re-roofing under an array adds $2,000 to $6,000 to remove and reinstall the panels, a cost no solar warranty covers.
- Heavy shade from mature trees. It can cut production enough to push payback out of range.
- You rent. You cannot install owned solar, and there is no community-solar program to fall back on. A competitive supplier plan on PAPowerSwitch is the realistic option.
- You may move within five years. Ownership rarely pays back in time. A transferable lease is the better fit if you go solar at all.
HICPA number, local electrical license, NABCEP: vetting a Pennsylvania installer yourself
Pennsylvania has no statewide contractor or electrical license, so vetting falls on you. Ask these before signing:
- Are you registered under HICPA with the Pennsylvania Attorney General? Any contractor doing $5,000 or more of home-improvement work a year must register, and the number belongs on the contract.
- Do you hold the local electrical license? Electrical licensing is municipal, and Philadelphia and Pittsburgh run their own.
- Are your installers NABCEP certified? It is voluntary here, but it is the quality benchmark for the trade.
- What is the workmanship warranty? Look for 10 years or more, separate from the panel and inverter warranties.
- Will you handle the net-metering and SREC registration? PennAEPS and PJM-GATS enrollment turns your production into bill credits and SREC income.
For the companies that meet these marks, see vetted Pennsylvania solar companies.
See What Solar Would Cost for Your Pennsylvania Home
Your utility, your roof, and your usage decide the real number. Enter your ZIP code to model a system size, a cost after the 6% sales tax, and a payback against your own utility’s rate.
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Frequently asked questions
How Much Do Solar Panels Cost in Pennsylvania in 2026?
A typical 8.26 kW system runs $23,706 before the 6% sales tax, at $2.87 a watt installed. A smaller 6 kW system starts at $15,360, and a larger 12 kW system reaches $37,920. Add the 6% sales tax for the day-one total.
Is There Still a Federal Tax Credit for Solar in Pennsylvania?
Not for systems you buy. The 30% Section 25D credit ended for systems completed after December 31, 2025. Only a lease or PPA captures the federal credit now, through the Section 48E commercial credit the system owner claims.
Do You Pay Sales Tax on Solar Panels in Pennsylvania?
Yes. Pennsylvania charges 6% sales tax on solar equipment and installation with no exemption, plus 2% in Philadelphia or 1% in Allegheny County. On a $23,706 system the state tax alone is $1,422.
What Is the Payback Period for Solar in Pennsylvania?
About 9.9 years in the best case, if every kWh the 8.26 kW system makes replaces power at the 20.70¢ state average. It is faster on higher-rate utilities and slower on lower-rate ones.
Is a Battery Worth It in Pennsylvania?
For most homes, only for backup power. Full-retail net metering credits exports at the retail rate, so a battery earns almost nothing on rate arbitrage in Pennsylvania. A 13.5 kWh unit adds $13,500, so buy one for resilience, not savings.
Does Pennsylvania Have Community Solar?
No. As of June 2026, Pennsylvania has no operational community-solar program, and the enabling bills remain in the legislature. Renters and shaded-roof homeowners cannot use it as a fallback yet.
How we calculate these costs
The $2.87 per watt behind every figure is Pennsylvania’s entry in the EcoGen Solar Cost Index (September 2026 Edition): Pennsylvania’s installed price per watt, built from the Department of Energy’s cost benchmark adjusted for local labor wages, run through our cost model, calibrated against current marketplace quotes and checked against installed prices from Berkeley Lab. Payback is a simple best case: the typical cost divided by the year-one value of the power the system makes at the 20.70¢ state average, with no rate growth and no export discount. The typical system size is Berkeley Lab’s 2025 median for Pennsylvania single-family installs (1,199 systems); the typical cost is that size times the price per watt. Real quotes vary by roof, equipment and installer.
Sources (12)
- EIA, Electric Power Monthly, residential price by state, 12-month average August 2025 to July 2026
- EIA, Annual Electric Power Industry Report, Form EIA-861 (final 2024 data, released October 7, 2025)
- IRS, Fact Sheet FS-2025-05 on Sections 25D and 48E under Public Law 119-21 (August 21, 2025): irs.gov
- Pennsylvania Code & Bulletin, 52 Pa. Code §75.13, net metering: pacodeandbulletin.gov
- PA Public Utility Commission, Rate Comparison Report (April 15, 2025): puc.pa.gov
- PA Public Utility Commission, June 1 electric price changes alert (May 20, 2026)
- PA Department of Revenue, Sales and Use Tax Bulletin 2010-01 (July 28, 2010): pa.gov
- Pennsylvania General Assembly, 53 Pa.C.S. §8811, Subjects of Local Taxation: legis.state.pa.us
- PennAEPS, 2024/2025 Alternative Energy Credit Pricing (September 25, 2025)
- NREL, Documenting 15 Years of Reductions in U.S. Solar Photovoltaic System Costs, NREL/TP-7A40-92536 (January 2025)
- NREL, PVWatts Calculator
- Pennsylvania Office of Attorney General, Home Improvement Contractor Registration
