Is Solar Worth It in South Portland, ME?
A data-driven analysis based on South Portland's electricity rates, sun exposure, and available incentives.
Yes, Solar Is Worth It in South Portland
With a 6.1-year payback and 470% ROI, solar is an excellent investment in South Portland.
6.1 years
Payback Period
$53,409
25-Year Savings
470%
Return on Investment
$11,368
Net System Cost
$155
Monthly Savings
$1,860
Annual Savings
5.6 kW
System Size
$650
Home Value Boost
Why Solar Works in South Portland
- +High electricity rates (22.5¢/kWh) mean bigger savings
- +Full net metering — get retail credit for excess energy
- +Estimated $650 increase in home value
- +30% federal tax credit reduces upfront cost significantly
- +Protection against future electricity rate increases (avg 3%/year)
Considerations
No significant drawbacks for solar in South Portland.
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