County annual report · FIPS 36057
2025 Montgomery County, NY Power Outage Report
In 2025, customers in Montgomery County, NY went without power for an average of 3.5 hours, a total of 86K customer-hours (New York average 2.4 hours). That ranks 41st worst of 62 New York counties and 1919th of 3,000 nationally.
Compared with NY, the US and 2024
Coverage line is EAGLE-I's share of New York customers tracked each year.
Biggest outages in Montgomery County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | May 17, 2025 19:15 | May 18, 2025 02:45 | 7h 30m | 4,610 | 5,361 |
| 2 | July 29, 2025 14:45 | July 30, 2025 07:15 | 16h 30m | 2,655 | 1,867 |
| 3 | June 3, 2025 03:00 | June 3, 2025 07:45 | 4h 45m | 2,086 | 4,553 |
| 4 | December 29, 2025 05:45 | December 30, 2025 23:00 | 1d 17h | 1,971 | 18K |
| 5 | April 26, 2025 14:00 | April 28, 2025 03:00 | 1d 13h | 1,442 | 3,439 |
| 6 | June 22, 2025 09:00 | June 22, 2025 12:45 | 3h 45m | 1,429 | 2,145 |
| 7 | February 16, 2025 22:30 | February 18, 2025 18:30 | 1d 20h | 1,118 | 6,367 |
| 8 | March 17, 2025 01:00 | March 17, 2025 06:30 | 5h 30m | 1,020 | 2,882 |
| 9 | April 19, 2025 15:00 | April 19, 2025 19:00 | 4h | 981 | 1,733 |
| 10 | August 18, 2025 00:00 | August 18, 2025 07:15 | 7h 15m | 972 | 3,839 |
Outage episodes by size in 2025: 48 reached 100+ customers, 8 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 Montgomery County reported on EIA Form 861 for 2025, 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 |
|---|---|---|---|---|---|
| Niagara Mohawk Power Corp. | 2024 | 8.5 hrs | 1.69 | 2.3 hrs | 1.05 |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of New York's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 24,995 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. Montgomery County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Montgomery County, NY annual power outage report, 2025, 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/2025/new-york/montgomery-county