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Solar vs. Grid Electricity in Pennsylvania

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

In Pennsylvania, the average homeowner pays $16.2¢/kWh for grid electricity. With historical escalation of 3-8% per year, this rate is projected to reach $43.2¢/kWh in 25 years (at 4% escalation). A 7 kW solar system locks in an effective rate of $0.176/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 $24.0¢/kWh, nearly 1.4x the solar LCOE. This growing gap is the engine that drives solar ROI.

25-Year Cost Comparison

MetricSolarGrid Only
Effective rate (year 1)$0.176/kWh$16.2¢/kWh
Effective rate (year 25)$0.176/kWh$43.2¢/kWh
25-year discounted cost$31,791$33,511
Net savings (NPV)$7,155

Solar in Pennsylvania produces 1,180 kWh per installed kW per year. A 7 kW system generates 8,260 kWh annually, offsetting 79% of the average household's 10,500 kWh annual consumption. After the 10-year payback period, every additional year of operation is pure savings.

Frequently Asked Questions

Is solar vs grid worth it in Pennsylvania?
With Pennsylvania's average utility rate of $16.2¢/kWh and solar irradiance of 1,180 kWh/kW/yr, the 25-year NPV for a 7 kW solar system is $7,155. Use Elovane to model your specific situation.
What incentives are available for solar vs grid in Pennsylvania?
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 Pennsylvania?
Solar panels in Pennsylvania pay back in approximately 10 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 Pennsylvania

Solar + Battery›Heat Pump›Full Electrification›

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