Electricity Rates in South Portland, ME
Average electricity cost, utility comparison, and solar savings potential for South Portland homeowners.
South Portland Electricity Cost Overview
The average residential electricity rate in South Portland, ME is $0.18 per kWh, which is 12% above the national average of $0.16/kWh. Homeowners in South Portland pay an average of $155 per month for electricity, based on typical usage of 859 kWh per month.
Electricity rates in South Portland are determined by the local utility providers that serve the area. Rates can vary depending on your specific utility, usage level, and time of use. Since Maine has a deregulated electricity market, South Portland residents can shop for competitive rates from alternative suppliers.
Electric Utilities Serving South Portland
| Utility Company | Avg Rate ($/kWh) | Est. Monthly Bill |
|---|---|---|
| Central Maine Power | $0.19 | $163 |
| Versant Power | $0.17 | $146 |
| Houlton Water Company | $0.15 | $129 |
How Solar Compares to South Portland Electricity Rates
Without Solar
- Monthly bill: $155
- Annual cost: $1,860
- 25-year cost: $46,500
- Rate trend: Rising 2-5% annually
With Solar
- Monthly savings: $124
- Annual savings: $1,488
- 25-year savings: $28,000
- Rate: Locked in for 25+ years
Electricity Rates FAQ - South Portland, ME
The average residential electricity rate in South Portland is $0.18 per kilowatt-hour (kWh), which is 12% above the national average of $0.16/kWh. The average monthly electric bill for South Portland homeowners is approximately $155.
With solar panels, South Portland homeowners can reduce their electricity costs by approximately 80%, saving around $124 per month or $28,000 over 25 years. The 30% federal tax credit further reduces the upfront cost of going solar.
The major electric utilities serving the South Portland area include Central Maine Power, Versant Power, Houlton Water Company. Rates vary between providers, so your exact cost depends on your utility and usage level.
Yes, electricity rates in South Portland and across Maine have been increasing, following national trends of 2-5% annual increases. This makes solar panels an increasingly attractive option since they lock in your energy costs for 25+ years.
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