How Much Does It Cost to Install Solar Panels in 2026?
Re-verified prices, a 50-state cost and payback table, worked 6/8/10 kW examples before and after incentives, and how to pay for it now that the US federal residential credit is gone.
The short answer
A typical residential solar installation in 2026 costs roughly $2.50–3.00 per watt gross on competitive marketplaces — EnergySage's marketplace data averaged about $2.60 per watt in 2026, so a 10 kW system lands around $25,000–35,000 before incentives (average $25,800). Broader all-channel turnkey benchmarks run higher: SEIA and Wood Mackenzie reported an average $3.36 per watt in Q2 2026, and EnergySage's marketplace median hit $2.57 per watt in the first half of 2026 — up 3.2% after the credit ended. The biggest 2026 change for US homeowners: the 30% federal residential credit (Section 25D) ended for installations completed after December 31, 2025 — as of October 2026 there is no federal credit for homeowner installs, so state and utility incentives are all that remain. Internationally, indicative 2026 installed ranges run £1.40–1.70 per watt in the UK, A$1.10–1.30 per watt in Australia before STC rebates, and about ₹55,000–70,000 per kW in India. Panels are only about a quarter to a third of the total — the rest is inverter, racking, wiring, labor, and margin.
2026 cost per watt, by country
The per-watt figure is the only honest way to compare quotes — it strips out system size and exposes who is really charging more. Every figure is an indicative 2026 installed range for a standard residential rooftop system:
| Country | Indicative installed range (2026) | Notes |
|---|---|---|
| United States | $2.50–3.00 / W | Marketplace quotes (EnergySage ~$2.60/W); turnkey benchmark ~$3.36/W (SEIA/Wood Mackenzie). Gross — federal §25D ended for 2026 homeowner installs |
| United Kingdom | £1.40–1.70 / W | 0% VAT on installs runs to 31 March 2027 |
| Australia | A$1.10–1.30 / W | Gross before STC rebates; roughly A$0.88–0.95/W after |
| India | ₹55,000–70,000 / kW | Residential; state rooftop subsidies vary |
| Pakistan | Rs 110,000–140,000 / kW | Net-billing era since 2026 |
| Philippines | ₱60,000–80,000 / kW | Under Meralco 2026 net-metering rules |
How these were verified (October 2026). US figures come from EnergySage's marketplace data (2026 cost page, updated June 30, 2026; by-size data: 6 kW $16,080, 8 kW $20,960, 10 kW $25,800), EnergySage's 23rd Home Electrification Marketplace Report (1H 2026 median $2.57/W), and the SEIA/Wood Mackenzie Q2 2026 pricing analysis ($3.36/W turnkey residential). The §25D termination is confirmed against the IRS's own fact sheet (FS-2025-05). UK, Australia, India, Pakistan and Philippines figures are retained as indicative 2026 ranges from current installer-published data. Two things to notice: per-watt cost typically falls as systems grow, because design, permitting, and crew mobilization do not scale with size. And these are installed prices — a panel-only price you see online is not a quote, and treating it as one is the most common budgeting mistake in solar.
Worked examples: what 6 kW, 8 kW and 10 kW actually cost
The math is simple — system size × cost per watt. Figures below are EnergySage marketplace 2026 data, before incentives:
| System size | Marketplace average (2026) | Typical quoted range | After state/utility incentives |
|---|---|---|---|
| 6 kW | $16,080 | $15,000–21,000 | No federal credit; see state examples below |
| 8 kW | $20,960 | $20,000–28,000 | No federal credit; see state examples below |
| 10 kW | $25,800 | $25,000–35,000 | No federal credit; see state examples below |
"After incentives" in 2026 means state and utility programs only. Three worked examples on a 10 kW system at $25,800: New York's 25% state credit (up to $5,000) brings it to roughly $21,000 net; South Carolina's 25% credit (capped at $3,500 per year, excess carried forward up to 10 years) lands near $22,000; New Jersey's SREC-II payments ($77 per MWh for 15 years) are worth roughly $11,000 over the contract life. Texas has no major state incentive, so gross is net. For line-by-line breakdowns in South and Southeast Asia, see our country posts: solar panel price in Pakistan, solar panel price in India, and solar panel price in the Philippines 2026.
What solar costs in your state
National averages hide a spread of more than a dollar per watt. The table below covers all 50 states: typical installed $/W ranges (gross), a 7 kW worked cost — the national median system size is about 7.2 kW — and a simple payback estimate. Each state links to its calculator, where export rules and incentives are modeled for your usage:
| State | Avg. rate (¢/kWh) | Peak sun hrs/day | Typical $/W (gross) | Typical 7 kW cost | Simple payback (est.) |
|---|---|---|---|---|---|
| Alabama | 16.80¢ | 4.6 | $3.25–$4.39 | $22,750–$30,730 | ~17 yrs |
| Alaska | 28.20¢ | 3.0 | $2.89–$3.87 | $20,230–$27,090 | ~14 yrs |
| Arizona† | 15.38¢ | 6.5 | $2.50–$2.80 | $17,500–$19,600 | ~9 yrs |
| Arkansas | 14.40¢ | 4.5 | $2.03–$2.75 | $14,210–$19,250 | ~13 yrs |
| California† | 33.61¢ | 5.6 | $2.90–$3.30 | $20,300–$23,100 | ~6 yrs |
| Colorado | 16.20¢ | 5.5 | $2.24–$3.03 | $15,680–$21,210 | ~10 yrs |
| Connecticut | 27.40¢ | 4.2 | $2.28–$3.08 | $15,960–$21,560 | ~8 yrs |
| Delaware | 19.40¢ | 4.4 | $2.24–$3.03 | $15,680–$21,210 | ~11 yrs |
| Florida† | 15.03¢ | 5.3 | $2.60–$2.90 | $18,200–$20,300 | ~12 yrs |
| Georgia | 15.80¢ | 4.8 | $2.13–$2.88 | $14,910–$20,160 | ~11 yrs |
| Hawaii | 52.00¢ | 5.8 | $2.91–$3.94 | $20,370–$27,580 | ~4 yrs |
| Idaho | 12.40¢ | 4.9 | $2.53–$3.42 | $17,710–$23,940 | ~17 yrs |
| Illinois | 19.89¢ | 4.3 | $2.50–$3.38 | $17,500–$23,660 | ~12 yrs |
| Indiana | 17.51¢ | 4.2 | $2.25–$3.05 | $15,750–$21,350 | ~12 yrs |
| Iowa | 15.99¢ | 4.4 | $2.77–$3.75 | $19,390–$26,250 | ~16 yrs |
| Kansas | 15.27¢ | 5.0 | $2.25–$3.04 | $15,750–$21,280 | ~12 yrs |
| Kentucky | 13.81¢ | 4.3 | $2.12–$2.87 | $14,840–$20,090 | ~14 yrs |
| Louisiana | 12.72¢ | 4.7 | $1.97–$2.67 | $13,790–$18,690 | ~13 yrs |
| Maine | 29.59¢ | 4.2 | $2.48–$3.35 | $17,360–$23,450 | ~8 yrs |
| Maryland | 21.41¢ | 4.4 | $2.18–$2.95 | $15,260–$20,650 | ~9 yrs |
| Massachusetts | 29.61¢ | 4.2 | $2.47–$3.34 | $17,290–$23,380 | ~8 yrs |
| Michigan | 22.99¢ | 4.0 | $2.45–$3.31 | $17,150–$23,170 | ~11 yrs |
| Minnesota | 17.52¢ | 4.3 | $2.75–$3.72 | $19,250–$26,040 | ~15 yrs |
| Mississippi | 14.88¢ | 4.6 | $1.95–$2.63 | $13,650–$18,410 | ~11 yrs |
| Missouri | 16.22¢ | 4.6 | $2.11–$2.86 | $14,770–$20,020 | ~11 yrs |
| Montana | 15.14¢ | 4.7 | $2.15–$2.91 | $15,050–$20,370 | ~12 yrs |
| Nebraska | 13.25¢ | 4.8 | $3.06–$4.14 | $21,420–$28,980 | ~19 yrs |
| Nevada | 13.11¢ | 6.4 | $2.00–$2.71 | $14,000–$18,970 | ~10 yrs |
| New Hampshire | 27.01¢ | 4.2 | $2.45–$3.31 | $17,150–$23,170 | ~9 yrs |
| New Jersey | 24.95¢ | 4.3 | $2.20–$2.98 | $15,400–$20,860 | ~8 yrs |
| New Mexico | 16.09¢ | 6.5 | $2.16–$2.92 | $15,120–$20,440 | ~8 yrs |
| New York | 29.90¢ | 4.0 | $2.35–$3.18 | $16,450–$22,260 | ~8 yrs |
| North Carolina† | 15.16¢ | 4.7 | $2.40–$3.10 | $16,800–$21,700 | ~13 yrs |
| North Dakota | 13.41¢ | 4.5 | $3.41–$4.62 | $23,870–$32,340 | ~23 yrs |
| Ohio | 19.45¢ | 4.1 | $2.19–$2.97 | $15,330–$20,790 | ~11 yrs |
| Oklahoma | 14.35¢ | 5.1 | $2.21–$2.99 | $15,470–$20,930 | ~12 yrs |
| Oregon | 15.97¢ | 4.2 | $2.06–$2.79 | $14,420–$19,530 | ~12 yrs |
| Pennsylvania | 21.72¢ | 4.1 | $2.21–$2.98 | $15,470–$20,860 | ~10 yrs |
| Rhode Island | 28.29¢ | 4.2 | $2.37–$3.20 | $16,590–$22,400 | ~8 yrs |
| South Carolina | 15.47¢ | 4.8 | $2.21–$2.99 | $15,470–$20,930 | ~12 yrs |
| South Dakota | 15.37¢ | 4.7 | $2.98–$4.03 | $20,860–$28,210 | ~17 yrs |
| Tennessee | 13.71¢ | 4.4 | $2.97–$4.01 | $20,790–$28,070 | ~20 yrs |
| Texas† | 15.88¢ | 5.3 | $2.25–$2.85 | $15,750–$19,950 | ~10 yrs |
| Utah | 13.12¢ | 5.5 | $2.00–$2.70 | $14,000–$18,900 | ~11 yrs |
| Vermont | 23.80¢ | 4.0 | $2.36–$3.20 | $16,520–$22,400 | ~10 yrs |
| Virginia | 17.60¢ | 4.5 | $2.16–$2.93 | $15,120–$20,510 | ~11 yrs |
| Washington | 14.70¢ | 3.8 | $2.12–$2.87 | $14,840–$20,090 | ~15 yrs |
| West Virginia | 15.80¢ | 4.1 | $2.46–$3.33 | $17,220–$23,310 | ~15 yrs |
| Wisconsin | 19.10¢ | 4.2 | $2.59–$3.50 | $18,130–$24,500 | ~13 yrs |
| Wyoming | 14.40¢ | 5.2 | $3.00–$3.63 | $21,000–$25,410 | ~15 yrs |
How to read this table. Cost ranges: EnergySage marketplace snapshots (October 2026) for 45 states; Arizona, California, Florida, North Carolina and Texas (marked †) drawn from current EnergySage and marketplace snapshots. Rates: latest EIA residential snapshots. Sun hours: NREL PVWatts/NSRDB annual averages. Simple payback is a crude estimate: gross 7 kW mid-range cost ÷ modeled first-year bill savings (7 kW × peak sun hours × 365 days × 80% performance ratio × retail rate). Real payback depends on export policy, how much power you use when the sun is up, rate escalation, and incentives — states with poor export terms (Alabama's avoided-cost buyback plus capacity charges) or cheap power stretch far beyond the headline number. Confirm against your state's calculator page before budgeting.
Where your money goes: the balance-of-system split
People fixate on panel brands, but panels are the smallest variable line item. Typical 2026 splits of a residential installed cost — hedged, because shares move with system size and market:
| Component | Typical share of installed cost | What it covers |
|---|---|---|
| Solar panels | ~25–30% | Tier-1 mono is a commodity; brand moves this line only a few percent |
| Inverter | ~8–12% | String or microinverters; micros cost more, pay off on shaded roofs |
| Racking, wiring, electrical | ~10–15% | Mounting, cabling, disconnects, panel upgrades, earthing |
| Labor, permitting, design, margin | ~45–55% | Crew, design, permits, interconnection, monitoring |
The takeaway: the panel brand moves the total by a few percent; the installer can move it by 30%. Labor and margin are the biggest line and the most negotiable one. On inverter choice, see our string vs microinverter guide, and the installation guide for what a proper crew day covers.
Cash vs loan vs lease: what each really costs
With Section 25D gone, the 2026 US buyer faces a different decision tree — a 10 kW system that cost roughly $19,000 net in 2025 now costs $25,000–35,000 out of pocket, and simple payback stretches accordingly. The payment method is part of the cost question now. Illustrative totals on a $25,800 (10 kW) system:
| Option | Upfront | Total paid (illustrative) | Who keeps the incentives | Best for |
|---|---|---|---|---|
| Cash | Full system price | ~$26,000–27,000 | You (state/utility rebates) | Max lifetime return with savings |
| Solar loan (15 yr, ~7% APR) | $0–small down | ~$41,700 (about $232/mo) | You — a loan is a purchase | Ownership without the lump sum |
| Lease / PPA (25 yr) | Usually $0 | Often $35,000–50,000 (reported) | The leasing company — claims the §48E credit | Zero-hassle bill savings, no ownership |
Two traps to watch on the loan row. Dealer fees: when an installer advertises a teaser rate like 3.99%, the lender typically charges the installer a 15–30% fee that gets rolled into your principal — a $25,800 system can quietly become a $31,000 loan. Always compare the cash price and the financed price side by side. Stale loan products: some 2025-era loans assume you'll make a large "tax credit" prepayment around month 18, with payments jumping if you don't — in 2026 there is no federal credit for a purchased system, so your real payment is the higher one. On the lease row: the leasing company can still claim the commercial credit (Section 48E), which is partly why lease offers did not jump the way cash prices did — but you do not own the system, and that matters at resale (see the FAQ). For the full breakdown — dealer-fee math, HELOCs vs solar loans, and when each option wins — see our solar financing guide.
Why quotes differ by 30% (and how to compare them)
Quotes 20–30% apart for the "same" system are normal — the number on the page bundles five variables buyers rarely separate:
1. Roof complexity. Steep pitches, multiple faces, tile, and shade add labor hours; a simple single-face roof is cheapest. The cheapest roof to install on is metal — a metal standing-seam roof cuts install cost and outlives the panels — see our solar panels on a metal roof guide.
2. Panel tier. Tier-1 costs a few cents more per watt than budget brands — real money on big arrays, but a small share of the total.
3. Inverter type. Microinverters typically add $0.10–0.20/W over a string inverter; worth it on shaded or multi-face roofs.
4. Local labor and permitting. Wages, permit fees, and interconnection timelines vary by city — neighboring counties can differ 10% on this line alone.
5. Sales channel. National door-to-door firms quote highest, local installers lowest for the same hardware. The difference is customer-acquisition cost.
Get three to four quotes, divide each by system size for $/W, and require the panel model and inverter model in writing — a quote that names neither is just a number. Then size-check the design against your actual usage in the solar system calculator (US readers: solar calculator USA) so an oversized system does not inflate the price.
One more cost driver: how exports are valued
Cost is only half the decision; what your utility pays for exported power is the other. Full net metering pays back faster than net billing — compare our Pakistan 2026 and Meralco 2026 explainers — and batteries usually stretch payback unless outages or steep time-of-use rates justify them (see battery sizing and on-grid vs hybrid). The home-solar benefits guide covers the non-financial side.
Solar installation cost FAQ
Straight answers, no fluff.
What is the average cost per watt of solar in 2026?
On the EnergySage marketplace, quoted residential systems averaged about $2.60 per watt in 2026, with most competitive quotes landing between $2.50 and $3.00 per watt gross — with no federal credit for homeowner installs. Broader all-channel turnkey benchmarks run higher: SEIA and Wood Mackenzie put average residential system cost at $3.36 per watt in Q2 2026. Elsewhere, indicative 2026 installed ranges run £1.40–1.70 per watt in the UK, A$1.10–1.30 per watt in Australia before STC rebates, about ₹55,000–70,000 per kW in India, Rs 110,000–140,000 per kW in Pakistan, and ₱60,000–80,000 per kW in the Philippines. All are indicative — compare quotes per watt to keep them honest.
How much do 6 kW, 8 kW and 10 kW systems cost in 2026 — before and after incentives?
Before incentives, EnergySage marketplace averages put a 6 kW system around $16,080, an 8 kW system around $20,960, and a 10 kW system around $25,800 — with typical quoted ranges of $15,000–21,000, $20,000–28,000 and $25,000–35,000. After incentives, there is no federal credit to subtract for 2026 homeowner installs; only state and utility programs remain. Examples: New York's 25% state credit (up to $5,000) can take a 10 kW system to roughly $21,000 net; South Carolina's 25% credit (capped at $3,500 per year with a 10-year carryforward) lands near $22,000; New Jersey's SREC-II payments ($77 per MWh for 15 years) are worth roughly $11,000 on a 10 kW system over the contract life. Texas has no major state incentive, so gross is net. Figures are hedged — incentives change, so verify current terms before budgeting.
Is the 30% federal solar tax credit still available in 2026?
No — not for homeowner installs, as of October 2026. The One Big Beautiful Bill Act (P.L. 119-21, enacted July 4, 2025) terminated the residential credit (Section 25D) for expenditures made after December 31, 2025, and the IRS confirmed the cutoff turns on when the original installation is completed — so a 2026 install gets no federal credit even if you paid in 2025. Leasing companies can still claim the commercial credit (Section 48E), which is partly why lease offers remain competitive. State and utility incentives still exist in many places. Full rules are in our solar tax credit 2026 guide.
How much does solar cost in my state?
See the 50-state table on this page — every state's typical per-watt range, a 7 kW worked cost, and a simple payback estimate, each linked to that state's calculator where you can model your own roof, usage, and local incentives. Ranges run roughly $2.25/W in Texas to above $3.50/W in parts of the Northeast and remote states, and payback estimates run about 7–17 years — driven mostly by electricity rates and export policy, not just price.
Is it cheaper to pay cash or finance solar panels?
Cash is cheapest over the system's life — no interest, and any state or utility incentives go to you. A solar loan (reported 2026 APRs roughly 6–10% for strong credit; watch for dealer fees of 15–30% rolled into the principal) keeps the ownership benefits but adds interest — on a $25,800 system at 7% over 15 years, that's about $232 a month and roughly $41,700 all-in. A lease or PPA costs the least upfront — usually nothing — but typically the most over 20–25 years, with reported 25-year totals often $35,000–50,000 and no ownership at the end. The full breakdown is in our solar financing guide.
Why did one installer quote me 30% more than another?
Usually five things: roof complexity (steep, tiled, or multi-face roofs cost more to work on), panel and inverter tier (microinverters cost more than string inverters and pay off on shaded roofs), local labor and permitting costs, the sales channel (national firms typically quote highest, local installers lowest for the same hardware), and system design (oversized systems inflate the price). Get three or four quotes, compare per watt, and require panel and inverter models in writing.
How long does it take for solar panels to pay for themselves?
Net system cost divided by annual electricity savings — typically 6–12 years for 2026 installs, depending on electricity prices, incentives, and how much usage the system covers. The US payback stretched after the 30% federal credit ended; markets with high grid tariffs and strong sun can be much faster. Batteries stretch payback unless outages or steep time-of-use rates justify them. Run your own estimate in our solar ROI calculator rather than trusting a salesperson's number.
Do solar panels increase home value?
Owned systems generally do — buyers value a paid-off array that cuts the electricity bill, and studies of past home sales have repeatedly found a price premium for homes with owned solar. Leased systems are trickier: the buyer must qualify for and accept the lease transfer, which can complicate a sale. In 2026 the distinction matters more than ever, because cash and loan systems are owned while leases keep the Section 48E credit economics with the leasing company.
Turn these ranges into your number
Ranges are a starting point. Size the system to your actual usage, cost it out, and check the payback with the free calculators.