Niagara Mohawk Power Corp.

What This Utility Data Tells You

Niagara Mohawk Power Corp. is an investor-owned utility operating in New York under EIA identifier 13573. It reports service to approximately 1,542,714 customer accounts and generated about $2.31 billion in annual electric revenue, with a service footprint spanning 500 ZIP codes. Because it is investor-owned, the state public utility commission oversees its rate cases and reliability performance rather than a local board.

In 2023, the average Niagara Mohawk Power Corp. customer experienced 207.9 minutes of power interruptions, the industry-standard SAIDI metric (System Average Interruption Duration Index). That falls inside the typical 120–180 minute national benchmark, in line with what most U.S. distribution utilities report. SAIFI, the average number of outage events per customer, was 1.14 for the same period, so customers statistically faced roughly 1 distinct interruption that year. Strip out major event days (hurricanes, ice storms) and SAIDI falls to 132.4 minutes; the difference from the headline 207.9 shows how much of the outage total came from weather rather than everyday grid issues.

With 4 consecutive years of EIA data (2020–2023), Niagara Mohawk Power Corp.'s reliability record can be judged on trend rather than one isolated year. SAIDI dropped from 455.3 to 207.9 minutes across that span, a direction regulators and prospective customers tend to watch closely.