Solar panels in Utah
Roofs across Utah get about 1,705 hours of usable sunlight a year, and electricity costs 11.2¢/kWh. That combination puts a typical system's payback at 12.5 years. Here's the detail, from real rooftop data across 15 Utah cities.
Check your own roof in Utah → These are regional figures; your roof's size, pitch and shading move them a lot.
How Utah compares
Utah gets more sunlight than 74% of the cities we measure, and its electricity costs more than 4% of states and provinces. Both matter, but not equally: the electricity rate usually matters more, because solar saves money by replacing power you would otherwise buy. A sunny state with cheap power often pays back slower than a cloudy state with expensive power. Why that happens →
Solar by city in Utah
| City | Sun hrs/yr | Panels | Net cost | Payback |
|---|---|---|---|---|
| St. George | 1,986 | 16 | $12,768 | 10.6 yrs |
| Moab | 1,967 | 17 | $13,566 | 11.1 yrs |
| Cedar City | 1,934 | 17 | $13,566 | 11.1 yrs |
| Vernal | 1,825 | 18 | $14,364 | 11.8 yrs |
| Price | 1,825 | 18 | $14,364 | 11.8 yrs |
| Lehi | 1,770 | 18 | $14,364 | 11.9 yrs |
| South Jordan | 1,726 | 19 | $15,162 | 12.4 yrs |
| Logan | 1,705 | 19 | $15,162 | 12.5 yrs |
| Provo | 1,694 | 19 | $15,162 | 12.5 yrs |
| West Valley City | 1,686 | 19 | $15,162 | 12.5 yrs |
| Ogden | 1,684 | 19 | $15,162 | 12.5 yrs |
| Orem | 1,683 | 19 | $15,162 | 12.5 yrs |
| Sandy | 1,682 | 19 | $15,162 | 12.5 yrs |
| Layton | 1,665 | 20 | $15,960 | 13 yrs |
| Salt Lake City | 1,659 | 20 | $15,960 | 13 yrs |
What a system costs in Utah
| System | Size | kWh/yr | Net cost | Saves/yr | Payback |
|---|---|---|---|---|---|
| 8 panels | 3.2 kW | 4,638 | $6,384 | $519 | 12.3 yrs |
| 12 panels | 4.8 kW | 6,956 | $9,576 | $779 | 12.3 yrs |
| 16 panels | 6.4 kW | 9,275 | $12,768 | $1,039 | 12.3 yrs |
| 20 panels | 8 kW | 11,594 | $15,960 | $1,232 | 13 yrs |
| 26 panels | 10.4 kW | 15,072 | $20,748 | $1,329 | 15.6 yrs |
Payback stops improving as systems grow, then gets worse. You can only save on electricity you were going to buy, so once a system covers your usage the extra panels mostly export at a lower rate.
Utah solar incentives
Every US household can claim the 30% federal residential clean energy credit, which is what the "after credit" figures above assume. On a $21,660 system that is $6,498 back. How the credit works →
State, utility and municipal incentives stack on top and change often — Utah may offer rebates, property or sales tax exemptions, or performance payments. We deliberately don't list specific state programmes here because they change several times a year and stale numbers are worse than none. The DSIRE database is the standard reference and is kept current.
Utah solar questions
Is solar worth it in Utah?
At 11.2¢/kWh and 1,705 usable sun hours, a typical Utah system pays back in about 12.5 years and returns roughly $15,228 across a 25-year panel life. That is slower than average, so compare at least three quotes before committing. Individual cities in Utah vary widely around this average.
How many solar panels do I need in Utah?
About 19 panels for a home using 10,800 kWh a year. Each 400W panel produces roughly 580 kWh annually at Utah sunlight levels. Your own figure depends on actual usage — pull a year of bills rather than assuming average consumption, since heating and EV charging change it a lot.
How much do solar panels cost in Utah?
A 7.6 kW system runs about $21,660 before incentives and $15,162 after the 30% federal credit, or roughly $2.85 per watt installed. Quotes vary widely by installer, roof complexity and whether your electrical panel needs upgrading — get three before deciding.
Worth reading before you buy
Regional estimates generated 2026-08-22 from Google Solar API rooftop samples across 15 Utah cities, and average Utah electricity rates. Not a quote and not financial or tax advice.