SunPower by Stellar and Solcius are the top-rated installers in Scottsdale by permit volume at City of Scottsdale Building Safety. A 9.2kW system runs $26,680 before any credits. Important: the federal residential solar tax credit (Section 25D, IRS) expired for homeowner-purchased systems installed after December 31, 2025, so a 2026 purchase earns no federal credit — that previously advertised "after-ITC" figure no longer applies to purchases. Arizona adds a 25% state credit stacked on top of any applicable incentives. Comparing itemized quotes on labor, equipment, and permit fees surfaces $500–$2,000 in cost differences at this system size.
Scottsdale, Arizona: 2026 Market Data
📊 LOCAL MARKET DATA
- Average system size: 9.2 kW
- Typical purchase cost (2026): $26,680 — the 30% federal residential credit (§25D) expired Dec 31, 2025; a lease or PPA still captures it via §48E
- Net metering: full retail
- State tax credit: 25%
- Federal residential credit (§25D): expired for purchases after Dec 31, 2025; lease/PPA still gets 30% via §48E
- Median household income: $104,000
Data from U.S. Census Bureau, DSIRE, NREL
Solar Installation Costs in Scottsdale: 2026
If you're considering solar in Scottsdale, it helps to start with what a typical installation actually looks like. The average system size here is 9.2 kW, which gives you a useful benchmark when you're sizing up quotes for your own home. For 2026, it's important to know that the federal residential solar tax credit (Section 25D, IRS) expired for homeowner-purchased systems installed after December 31, 2025 — a 2026 purchase earns no federal credit, so previously cited "after-ITC" cost figures no longer apply to purchases. If you choose a solar lease or PPA, the installer/owner may still claim the 30% commercial credit under Section 48E (IRS) — provided construction begins before July 4, 2026 or the system is in service by December 31, 2027 — and often passes those savings through as a lower monthly rate. Arizona also offers a 25% state tax credit, another figure worth factoring into your planning as you compare your options. One thing that makes solar attractive here is net metering at full retail, meaning the energy your panels send back is credited at the full retail rate. That can shape how the long-term math works for your household. For context on affordability, the median household income in Scottsdale is $104,000, which can help you gauge how an investment like this fits a typical local budget. As always with a purchase this size, get more than one quote, compare them carefully, and read the fine print before you sign anything. Talking to several providers gives you a clearer picture of what's reasonable for your specific roof, energy use, and goals here in Scottsdale. This is general information, not tax advice.
Cost Per Watt in Scottsdale: How Scottsdale Compares to the AZ State Average
Cost per watt is the cleanest way to compare quotes, and Scottsdale typically sits right around or slightly above the Arizona state average. Across the state, installed systems often run between $2.40 and $3.10 per watt before incentives. In Scottsdale, you'll frequently see numbers landing near the upper-middle of that band, generally in the $2.60 to $3.00 range. Why the slight premium? Part of it comes down to the homes themselves. Larger custom roofs, tile roofing that requires careful handling, and HOA aesthetic requirements in many communities add labor and planning time. Permitting in Scottsdale is also thorough, which protects homeowners but can nudge soft costs upward. That said, the city's competitive installer pool helps keep prices from drifting too far above the norm. The smartest move is gathering at least three quotes and comparing the per-watt figure rather than the sticker total, since system sizes vary so much across Scottsdale's diverse housing stock.