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Solar vs. Grid Electricity in Utah

Compare the 25-year cost of solar energy to staying on grid electricity, accounting for utility rate escalation, panel degradation, and IRA credits.

In Utah, the average homeowner pays $11.2¢/kWh for grid electricity. With historical escalation of 3-8% per year, this rate is projected to reach $29.9¢/kWh in 25 years (at 4% escalation). A 7 kW solar system locks in an effective rate of $0.126/kWh for the life of the system.

The math is straightforward: grid electricity costs more every year while solar LCOE stays fixed. By year 10, the utility rate reaches approximately $16.6¢/kWh, nearly 1.3x the solar LCOE. This growing gap is the engine that drives solar ROI.

25-Year Cost Comparison

MetricSolarGrid Only
Effective rate (year 1)$0.126/kWh$11.2¢/kWh
Effective rate (year 25)$0.126/kWh$29.9¢/kWh
25-year discounted cost$29,855$23,168
Net savings (NPV)$5,916

Solar in Utah produces 1,550 kWh per installed kW per year. A 7 kW system generates 10,850 kWh annually, offsetting 103% of the average household's 10,500 kWh annual consumption. After the 11-year payback period, every additional year of operation is pure savings.

Frequently Asked Questions

Is solar vs grid worth it in Utah?
With Utah's average utility rate of $11.2¢/kWh and solar irradiance of 1,550 kWh/kW/yr, the 25-year NPV for a 7 kW solar system is $5,916. Use Elovane to model your specific situation.
What incentives are available for solar vs grid in Utah?
The federal IRA provides a 30% ITC for solar and battery installations (through 2032) and up to $2,000 in 25C credits for heat pumps. Income-qualified households may receive additional point-of-sale rebates through the HOMES and HEAR programs.
How long does solar vs grid take to pay back in Utah?
Solar panels in Utah pay back in approximately 11 years. Battery payback depends on TOU rate spreads. Heat pump payback ranges from 5-12 years depending on current fuel costs and local electricity rates.

Other Comparisons for Utah

Solar + Battery›Heat Pump›Full Electrification›

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