Power outages in South Portland, ME
Live outages for South Portland and the surrounding area, updated every 10 minutes. South Portland has 27,007 residents.
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No live outage data for South Portland yet.
Outage map
South PortlandCumberland County
Outage history in Cumberland County, which includes South Portland
2014–2025 recordCumberland County averaged 35 significant outages a year in 2023–2025, fewer than most Maine counties.
In the 12 months to December 2025, there were 26. Half were over within 1.5 hours; the longest lasted 24 hours, starting December 19, 2025.
The largest on record began October 30, 2017, with 109,526 customers out at once.
35significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.2 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.6.8 dayslongest on record (October 2017)
109,526most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| October 30, 2017 | 109,526 | 6.8 days | 5,730,003 |
| April 4, 2024 | 105,529 | 4.2 days | 4,362,148 |
| March 23, 2024 | 89,045 | 3.2 days | 3,115,464 |
| December 18, 2023 | 71,717 | 1.9 days | 2,026,038 |
| December 23, 2022 | 60,853 | 3.3 days | 1,870,294 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.