How Much Do Solar Panels Cost in 2026? The Real Numbers

The Short Answer

A fully installed residential solar system in 2026 costs $2.50–$3.50 per watt, which puts a typical 6–12kW system at $15,000–$42,000 before any incentives. The most common setup — an 8–10kW system for a 3-4 bedroom home — runs $20,000–$35,000.

Panel prices have dropped roughly 18% since 2023. State incentives (PA/MD SRECs, NJ TRECs, property tax exemptions) reduce effective cost over time depending on your location. Combined with rising electricity rates, solar in 2026 is genuinely more affordable than it’s ever been.

Solar Panels Cost by System Size: The Full Table

Here’s the 2026 breakdown: installed cost, monthly savings, and payback period for the most common residential system sizes.

System Size	Installed Cost	Monthly Savings*	Payback Period
6 kW	$15,000 – $21,000	$90 – $150/mo	8–14 years
8 kW	$20,000 – $28,000	$120 – $200/mo	8–13 years
10 kW	$25,000 – $35,000	$150 – $250/mo	8–13 years
12 kW	$30,000 – $42,000	$180 – $300/mo	8–14 years

* Monthly savings at $0.14–$0.22/kWh average rate with net metering. Payback shown before state incentives. State programs (SRECs, MEA grants, property tax exemptions) improve the timeline. High-rate states (CA, MA, NY) hit the lower end; low-rate states the higher end.

Not sure what size system you need? Most homeowners size their system to cover 80–100% of their usage — which usually means looking at your actual monthly bill. Our solar sizing calculator gives you a specific kW recommendation based on your bill, location, and roof direction.

State Incentives: What Actually Reduces Your Cost in 2026

The federal solar tax credit expired December 31, 2025. For 2026 installations, state incentives are the primary financial lever that reduces your effective cost. These vary significantly by location — here’s what’s available in the states we serve:

State	Incentive	Approximate Value
Pennsylvania	SRECs (Solar Renewable Energy Credits)	$450–$970/year (ongoing)
Maryland	SRECs + MEA Residential Grant	$450–$970/yr + up to $1,000 upfront
New Jersey	TRECs / SuSI Program	$500–$1,500/year (ongoing)
Most States	Property Tax Exemption on solar-added home value	$400–$900/year in savings

Key things to know about state incentives:

• SRECs and TRECs are ongoing income — each 1,000 kWh your system produces generates one certificate you can sell. A 10kW system in PA earns $450–$970/year in SREC income alone.
• You must own the system — leases and PPAs typically don’t qualify for state credits. A solar loan qualifies since you own the panels.
• Property tax exemptions are automatic in most qualifying states — the added home value from solar is exempt from property tax reassessment, saving $400–$900/year over the life of the system.
• Check DSIRE (dsireusa.org) for current, verified incentive programs in your state before signing any contract.

What Drives Your Solar Panels Cost

Four factors move the cost needle the most:

1. System Size (kW)

The biggest driver. Larger systems cost more upfront but on a per-watt basis they’re often slightly cheaper — installers give volume discounts. A 12kW system doesn’t cost 50% more than an 8kW; it costs 30–40% more. Size drives everything else: bigger roof footprint, more panels, more inverter capacity.

2. Roof Type and Complexity

A simple south-facing asphalt shingle roof is the cheapest to install on. Tile roofs (especially Spanish tile) add $500–$1,500. Steep pitches, multiple levels, and dormers all add labor time. A complex roof can push installed cost 10–15% higher than a comparable flat installation.

3. Panel Type

Monocrystalline (mono-Si) — highest efficiency (22–25%), best for limited roof space, typically $0.10–$0.20/watt more than poly. Polycrystalline (poly-Si) — slightly lower efficiency (18–22%), cheaper upfront. N-type panels — the newer standard in 2026, better efficiency and less degradation over time (0.3%/year vs 0.5-0.7%/year for older P-type).

Most quality installers in 2026 are quoting N-type or high-efficiency mono. Ask your installer specifically what panel brand and type they’re quoting.

4. Installer Margin

The single biggest variable between quotes. Installer overhead and profit typically account for 20–25% of total cost. Getting 3+ quotes on the same system spec routinely saves homeowners $3,000–$7,000. Never accept the first quote.

Is Solar Worth It in 2026?

The honest answer: for most homeowners paying $130+/month for electricity, in a state with decent net metering — yes, it still is. Here’s the math:

• 8kW system at $24,000 (national average installed cost)
• $150/month savings (average at $0.16/kWh with net metering)
• PA SREC income: ~$600–$800/year (if in PA — improves payback by 1–2 years)
• Payback period: ~10–13 years (varies by state incentives and electricity rate)
• Year 25 total savings: ~$75,000–$90,000+ (accounting for 3.5%/year electricity rate increases and SREC income)
• Net lifetime benefit: ~$51,000–$66,000 after paying off the system

Panels last 25–30 years. After the 9-year payback, you have 16–21 years of essentially free electricity.

States with higher electricity rates (California at $0.28/kWh, Massachusetts at $0.26/kWh, New York at $0.24/kWh) do even better — payback after ITC drops to 5–7 years in those markets.

Want to see the math for your specific bill and location? Our savings calculator runs it with your actual numbers instead of national averages.

Arizona: Solar Panels Cost in the Valley of the Sun

Arizona is one of the best solar markets in the country — not because of state tax credits (there aren’t any), but because of high electricity rates, abundant sun, and strong utility net metering in some areas. Here’s what homeowners in Phoenix, Tucson, and the Valley need to know about the real numbers:

APS and SRP Rates: Why Solar Works Well in Arizona

Arizona’s two major utilities charge residential rates that make solar compelling:

• APS (Arizona Public Service): ~14–17 cents/kWh depending on plan and usage tier. Their E-27 residential plan for solar customers offers time-of-use pricing that rewards shifting usage to off-peak hours.
• SRP (Salt River Project): ~13–16 cents/kWh. SRP’s export rate for solar customers is lower than retail — meaning you get paid less per kWh for excess power you send back to the grid than you pay to consume it. This makes battery storage more valuable for SRP customers than for APS customers.

Both utilities offer net metering, though the terms have been reduced from earlier years. APS’s E-27 plan provides a more favorable export rate than standard plans, making a properly sized system — one that minimizes export — the better financial play.

What Solar Actually Costs in Arizona (2026)

System Size	Installed Cost (AZ Avg)	Est. Monthly Savings	Payback Period
6 kW	$15,500 – $20,000	$95 – $130/mo	10–14 years
8 kW	$20,500 – $26,000	$125 – $175/mo	10–14 years
10 kW	$25,000 – $32,000	$150 – $215/mo	9–13 years

AZ pricing reflects competitive market rates. APS customers with E-27 time-of-use plans see higher savings; SRP customers benefit from maximizing self-consumption with battery storage. Arizona property tax exemption saves $500–$900/year additionally.

Arizona Solar Incentives in 2026

• Property Tax Exemption: Arizona law (A.R.S. § 42-11054) exempts the value added by a solar system from residential property tax. On a $25,000 system, this saves roughly $500–$800/year in property taxes over the life of the system — a meaningful ongoing benefit.
• APS and SRP Rebates: APS has offered smart home energy storage rebates in past years — check current program availability at aps.com and srp.net.
• No AZ state solar income tax credit — unlike New York or Massachusetts, Arizona doesn’t have a state income tax credit for solar. The property tax exemption + high utility rates + 300+ sun days are the value drivers.

Is solar worth it in Arizona in 2026?

Yes — if your bill is $130+/month and you plan to stay 8+ years. The combination of 300+ sunny days per year, APS/SRP rates in the 14–17 cent/kWh range, and the property tax exemption makes Arizona a solid solar market. The lack of a state income tax credit is offset by the high sun irradiance (one of the highest in the country), which means smaller systems produce more power.

Use our solar decision tool to check whether your specific bill and roof situation pencils out.

State Incentives That Offset Cost in 2026

State incentive programs vary significantly by location. Here are the strongest programs available in 2026:

• New York: 25% state tax credit (up to $5,000) + NY-Sun Megawatt Block rebate. On a $25,000 system, the NY state credit alone reduces cost by $5,000. One of the strongest state incentive stacks in the country.
• Massachusetts: SMART Program pays you per kWh generated for 10 years. Plus a state income tax credit up to $1,000.
• New Jersey: SREC-II — earn tradeable certificates for every 1,000 kWh produced. Generates $500–$1,500/year depending on market pricing.
• California: SGIP battery storage rebates ($150–$400/kWh of battery). No direct solar credit, but the property tax exemption applies statewide.
• Illinois: Adjustable Block Program — upfront payment for 15 years of renewable energy credits. Value varies by block pricing.
• Most states: Property tax exemption on solar-added home value (typically $15,000–$25,000 exempted from property tax assessment for the life of the system).

The authoritative source for your state: DSIRE (dsireusa.org) — maintained by NC State and updated continuously. Check before signing any contract.

Solar Financing Options in 2026

Cash is still king for total cost of ownership. But most homeowners use financing — and if you pick the right product, that’s fine:

Option	Upfront Cost	Typical Rate	Qualifies for State Incentives?
Cash purchase	Full amount	—	Yes
Solar loan	$0–$1,500	5–9% APR	Yes
HELOC	$0	6–8% variable	Yes
Solar lease / PPA	$0	Fixed $/kWh rate	No

Solar loans are the most popular choice in 2026. On a $25,000 system financed over 15 years at 7% APR, your monthly loan payment is roughly $225 — comparable to a typical electric bill in many states. After year 15 the loan is paid off and the electricity is free. You own the system, so you qualify for state SREC programs and property tax exemptions.

Leases and PPAs look attractive at $0 down, but you never own the system, you typically can’t claim state SREC or grant programs, and selling your home gets complicated. For most homeowners, a solar loan dominates on lifetime value.

When Solar Costs More Than It’s Worth

Solar is a good investment for most homeowners — but not all. Here’s when the numbers don’t work:

• Electricity rate below $0.10/kWh. In Louisiana, Oklahoma, and parts of Arkansas, low rates mean payback stretches 15+ years. Hard to justify.
• Roof needs replacing in under 10 years. Removing and reinstalling panels for a roof replacement costs $2,000–$5,000 — enough to flip a marginal deal negative.
• North-facing or heavily shaded roof. A shaded or north-facing roof can produce 30–50% less energy. The system cost stays the same; the savings don’t.
• Planning to sell within 3 years. Even with the ~4–6% home value premium that solar adds, you may not recoup a full system cost at sale in a slow market.
• Electric bill under $80/month. If you barely use electricity, the savings can’t justify a $20,000+ investment.

Still unsure? Our solar assessment tool walks through your specific situation and tells you whether solar pencils out — and gives you a rough payback estimate based on your actual numbers.

FAQ

How much do solar panels cost in 2026?

$2.50–$3.50 per watt fully installed, averaging around $2.95/watt nationally. A typical 8kW system runs $20,000–$28,000 before state incentives. Panel prices have dropped roughly 18% since 2023, making 2026 one of the most affordable windows in history to go solar. State incentives (PA/MD SRECs, NJ TRECs, property tax exemptions) reduce effective cost over time.

Is it worth getting solar panels in 2026?

Yes, for most homeowners who pay $130+/month for electricity and plan to stay in their home for 8+ years. State incentives (SRECs in PA/MD/NJ, MEA grants in MD, property tax exemptions) reduce net cost, electricity rates keep rising 3–4% per year, and panels are cheaper than ever. In high-rate states (California, Massachusetts, New York), payback periods run 8–11 years. After payback, panels produce free electricity for 15+ more years. Use our decision tool to get your specific estimate.

How long does it take for solar panels to pay for themselves?

Solar payback periods in 2026 typically run 8–14 years on gross installed cost. State incentives — PA/MD SRECs generating $450–$970/year, NJ TRECs/SuSI generating $500–$1,500/year, Maryland MEA grant up to $1,000, and property tax exemptions — improve that timeline. After payback, panels generate free electricity for the remaining 15–20 years of their 25–30 year lifespan. Use our savings calculator to estimate your specific payback period.

What solar incentives are available in 2026?

The federal solar tax credit expired December 31, 2025. State incentives are now the primary financial lever. Pennsylvania and Maryland homeowners earn SRECs worth $450–$970/year. New Jersey offers TRECs through the SuSI program worth $500–$1,500/year. Maryland offers a MEA Residential Grant up to $1,000 upfront. Most states have property tax exemptions on solar-added home value. Check DSIRE (dsireusa.org) for programs in your state.

Are there Arizona state incentives for solar in 2026?

Arizona’s main advantages are APS and SRP’s high electricity rates (14–17 cents/kWh), which make solar savings strong, plus the property tax exemption on solar-added home value (roughly $500–$800/year savings). There is no Arizona state income tax credit for solar. SRP customers should consider battery storage since their export rate is lower than retail — maximizing self-consumption improves ROI. Get your Arizona-specific estimate here.