County annual report · FIPS 23005
2021 Cumberland County, ME Power Outage Report
In 2021, customers in Cumberland County, ME went without power for an average of 3.1 hours, a total of 714K customer-hours (Maine average 6.4 hours). That ranks 15th worst of 16 Maine counties and 1794th of 2,974 nationally.
Compared with ME, the US and 2020
Coverage line is EAGLE-I's share of Maine customers tracked each year.
Biggest outages in Cumberland County, 2021
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | October 27, 2021 00:15 | October 28, 2021 06:45 | 1d 6h | 9,304 | 66K |
| 2 | January 28, 2021 11:45 | January 29, 2021 02:30 | 14h 45m | 7,724 | 41K |
| 3 | May 26, 2021 15:45 | May 28, 2021 01:00 | 1d 9h | 7,643 | 46K |
| 4 | May 10, 2021 19:30 | May 10, 2021 22:45 | 3h 15m | 6,926 | 14K |
| 5 | December 12, 2021 03:30 | December 12, 2021 16:15 | 12h 45m | 6,312 | 25K |
| 6 | February 3, 2021 23:00 | February 4, 2021 00:30 | 1h 30m | 6,150 | 8,110 |
| 7 | December 7, 2021 03:30 | December 7, 2021 15:45 | 12h 15m | 5,398 | 22K |
| 8 | March 29, 2021 04:45 | March 30, 2021 20:15 | 1d 15h | 5,253 | 17K |
| 9 | August 26, 2021 20:30 | August 27, 2021 14:15 | 17h 45m | 4,018 | 19K |
| 10 | January 6, 2021 18:00 | January 6, 2021 23:00 | 5h | 3,734 | 17K |
Outage episodes by size in 2021: 247 reached 100+ customers, 72 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Cumberland County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Central Maine Power Co | 2021 | 5.5 hrs | 2.48 | 3.7 hrs | 2.04 |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 96% of Maine's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 227,401 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Cumberland County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Cumberland County, ME annual power outage report, 2021, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2021/maine/cumberland-county