County annual report · FIPS 36069
2024 Ontario County, NY Power Outage Report
In 2024, customers in Ontario County, NY went without power for an average of 4.2 hours, a total of 321K customer-hours (New York average 4.0 hours). That ranks 47th worst of 62 New York counties and 1787th of 2,990 nationally.
Compared with NY, the US and 2023
Coverage line is EAGLE-I's share of New York customers tracked each year.
Biggest outages in Ontario County, 2024
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 15, 2024 19:45 | July 19, 2024 05:15 | 3d 9h | 6,447 | 53K |
| 2 | September 29, 2024 04:15 | September 29, 2024 09:15 | 5h | 4,852 | 6,684 |
| 3 | February 28, 2024 20:00 | March 1, 2024 03:45 | 1d 7h | 4,484 | 36K |
| 4 | January 1, 2024 00:00 | January 12, 2024 17:45 | 11d 17h | 3,924 | 89K |
| 5 | December 12, 2024 16:45 | December 12, 2024 22:15 | 5h 30m | 2,935 | 4,804 |
| 6 | May 24, 2024 09:15 | July 8, 2024 16:45 | 45d 7h | 2,773 | 64K |
| 7 | October 3, 2024 19:30 | October 3, 2024 19:45 | 15m | 1,767 | 442 |
| 8 | July 20, 2024 16:30 | July 24, 2024 02:00 | 3d 9h | 1,737 | 573 |
| 9 | March 6, 2024 21:15 | March 6, 2024 22:30 | 1h 15m | 1,396 | 828 |
| 10 | January 14, 2024 16:00 | January 14, 2024 22:30 | 6h 30m | 1,363 | 1,888 |
Outage episodes by size in 2024: 74 reached 100+ customers, 16 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 Ontario County reported on EIA Form 861 for 2024, 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 |
|---|---|---|---|---|---|
| New York State Elec & Gas Corp | 2016 | 4.5 hrs | 1.56 | 3.6 hrs | 1.47 |
| Niagara Mohawk Power Corp. | 2024 | 8.5 hrs | 1.69 | 2.3 hrs | 1.05 |
| AVANGRID | - | - | - | - | - |
| Rochester Gas & Electric Corp | - | - | - | - | - |
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 2024; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 75,985 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. Ontario County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Ontario County, NY annual power outage report, 2024, 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/2024/new-york/ontario-county