MySunROI

2026 US Solar Cost Data

Solar Panel Cost & ROI Calculator

Estimate system cost, payback, and savings for your state. US average 6 kW system: $16,271 before credit, ~$11,390 net after 30% federal ITC.

✓ 50 states · NREL + EIA data · Updated 2026-07-07 · Free calculator

Quick answer

The average US homeowner pays $16,271 for a 6 kW solar system in 2026. After the 30% federal tax credit, net cost is about $11,390. Typical payback: 9 years with ~$1,335/year in electricity savings.

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Solar Panel Cost Calculator

Estimate for Texas

$7,200 net after tax credit

~4 kW system · $10,300 before 12.8¢/kWh incentives

Annual savings

$874

Payback

8.2 years

30-year savings

$23,598

Solar Options Compared (6 kW System)

Option Upfront cost Tax credit Typical payback
Cash purchase $16,271 30% ITC 9 yrs
Solar loan $0 down You claim ITC 8–12 yrs
Lease / PPA $0 down Installer keeps ITC Immediate savings
+ Battery storage +$9,000 30% if solar-paired Varies by utility

US averages. Lease vs buy guide →

Solar cost guides

52 in-depth articles on pricing, incentives, and ROI

Solar guides by state

200+ state-specific pages — incentives, payback, net metering, and ROI for all 50 states.

Popular states

How We Calculate Solar Costs

MySunROI estimates combine NREL residential PV installed-price benchmarks, EIA state electricity rates, and regional labor modifiers — updated 2026-07-07.

Full methodology → · Editorial policy →

Solar Panel Cost by State

Updated 2026-07-07. Not financial advice — get installer quotes for actual pricing.