Niagara Mohawk Power Corp.: Outages & Reliability
As of October 7, 2026 09:00 UTC, about 1 Niagara Mohawk Power Corp. customers are without power in 1 county.
Niagara Mohawk Power Corp. is an investor owned utility serving 37 counties in New York. In 2024, its customers went an average of 8.5 hours without power (SAIDI), across about 1.7 interruptions each. That ranks it #340 of 468 US utilities by reliability, where #1 is the most reliable. Its outage duration is better than the US average and about the same as the New York median (8.0 h).
Official reliability (EIA 2024)
US EIARanks #340 of 468 US utilities by reliability (#1 = most reliable) · about the same as the New York median (8.0 h).
Reliability over time
Official EIA SAIDI, hours without power per customer per year (IEEE, incl. major events). Over this period Niagara Mohawk Power Corp.’s reliability has been worsening (lower is better).
Counties served by Niagara Mohawk Power Corp. (37)
Service territory reported to EIA-861; each links to live outage status and history.
- Albany County, NY
- Allegany County, NY
- Cattaraugus County, NY
- Cayuga County, NY
- Chautauqua County, NY
- Chenango County, NY
- Clinton County, NY
- Columbia County, NY
- Cortland County, NY
- Erie County, NY
- Essex County, NY
- Franklin County, NY
- Fulton County, NY
- Genesee County, NY
- Hamilton County, NY
- Herkimer County, NY
- Jefferson County, NY
- Lewis County, NY
- Livingston County, NY
- Madison County, NY
- Monroe County, NY
- Montgomery County, NY
- Niagara County, NY
- Oneida County, NY
- Onondaga County, NY
- Ontario County, NY
- Orleans County, NY
- Oswego County, NY
- Otsego County, NY
- Rensselaer County, NY
- Saratoga County, NY
- Schenectady County, NY
- Schoharie County, NY
- St. Lawrence County, NY
- Warren County, NY
- Washington County, NY
- Wyoming County, NY
What causes Niagara Mohawk Power Corp. outages
Share of outage-time by reported cause across the counties it serves (territory-wide, may include other utilities in shared counties).
Niagara Mohawk Power Corp.: FAQ
- How reliable is Niagara Mohawk Power Corp.?
- Niagara Mohawk Power Corp. customers averaged 8.5 hours without power in 2024 (SAIDI), which is frequently affected and better than the US average, about the same as the New York median (8.0 h), per official US EIA data.
- Where does Niagara Mohawk Power Corp. rank among US electric utilities?
- By official EIA SAIDI, Niagara Mohawk Power Corp. is #340 of 468 US utilities by reliability that report reliability and serve at least three counties, #1 being the most reliable. Overall it is better than the US average.
- How many customers does Niagara Mohawk Power Corp. serve?
- Niagara Mohawk Power Corp. serves 37 counties across New York, per its EIA-861 service territory filing.
- Where does Niagara Mohawk Power Corp. provide power?
- Niagara Mohawk Power Corp. operates in New York. The full list of counties served is below, each linked to its live outage status.
Reliability metrics (SAIDI/SAIFI) and service territory from the US EIA Form 861. SAIDI/SAIFI are IEEE-standard, including major event days. Primary state: New York.
Data from EIA Form 861 (utility reliability) and DOE/ORNL ODIN, every source we read. Live data as of .