Idaho vs Texas Solar Comparison
Texas gets more sun (5.3 hrs/day) while Texas has the faster payback (8 years).Texas offers higher 20-year savings at $38,400.
Idaho
4.7 hrs
12.5yr payback
$22,400
20yr savings
Texas
5.3 hrs
8yr payback
$38,400
20yr savings
Side-by-Side Comparison
| Metric | Idaho | Texas |
|---|---|---|
| Peak Sun Hours | 4.7 hrs | 5.3 hrs |
| Cost per Watt | $3.00 | $2.80 |
| 6kW System Cost | $18,000 | $16,800 |
| Federal Tax Credit | 30% | 30% |
| State Tax Credit | None | None |
| State Rebate | None | None |
| Net Metering | Full Net Metering | Partial Net Metering |
| Electricity Rate | 11.15¢/kWh | 15.06¢/kWh |
| Payback Period | 12.5 years | 8 years |
| 20-Year Savings | $22,400 | $38,400 |
Verdict
Texas is the better state for solar ROI with $38,400 in 20-year savings and a 8-year payback period. Texas has more sun exposure at 5.3 hrs/day, making it ideal for maximum energy production. Both states qualify for the 30% federal solar tax credit.
Frequently Asked Questions
Is solar better in Idaho or Texas?
Texas gets more sun (5.3 peak hours/day vs 4.7). Texas has a faster payback (8 years) and Texas offers higher 20-year savings ($38,400).
How do solar costs compare between Idaho and Texas?
A 6kW system costs $18,000 in Idaho vs $16,800 in Texas before incentives. Both qualify for the 30% federal tax credit.
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Data verified March 2026 · Source: NREL, DSIRE, EIA