Arizona vs California Solar Incentives: Which State Gets the Better Deal?
Side-by-side comparison of Arizona and California solar incentive programs in 2026: state tax credits, net metering rules, exemptions, payback period, and projected 25-year savings.
| Metric | AZ · Arizona | CA · California |
|---|---|---|
| Avg Monthly Bill | $195 | $235 |
| Peak Sun Hours / Day | 6.5 ◆ | 5.5 |
| Avg $/Watt Installed | $2.65 ◆ | $3.05 |
| State Tax Credit | 25% / $1000 ◆ | None |
| Net Metering | modified | modified |
| SREC Market | No | No |
| Property Tax Exempt | Yes | Yes |
| Sales Tax Exempt | Yes | No |
| Payback, pre-credit model (yrs) | 6.4 ◆ | 7.2 |
| 25-yr savings, pre-credit model | $52,800 | $58,900 ◆ |
Payback and 25-year savings were modeled while the federal residential credit applied. They are not a 2026 quote. The calculator uses $0 federal credit and state incentives only.
State Tax Credit Comparison
Arizona offers a 25% state income tax credit (capped at $1,000). California offers no state income tax credit.
Net Metering Policies
Arizona: modified rate net metering active. California: modified rate net metering active.
Net metering is often the most economically significant solar policy because it determines how excess production is valued. Retail-rate states (where you receive full retail price for exported energy) have substantially better solar economics than avoided-cost or no-net-metering states.
Average 25-Year Savings
Arizona: $52,800 over 25 years (avg payback 6.4 yrs). California: $58,900 over 25 years (avg payback 7.2 yrs).
Verdict: Which State Wins on Solar?
California delivers stronger lifetime solar economics than Arizona due to more favorable net metering rules.
Note: state averages mask significant within-state variation. Your specific utility, roof orientation, and household electricity profile drive your actual numbers — use the calculator to model your home directly.