massoutage

County annual report · FIPS 36055

2023 Monroe County, NY Power Outage Report

In 2023, customers in Monroe County, NY went without power for an average of 1.9 hours, a total of 583K customer-hours (New York average 2.2 hours). That ranks 46th worst of 62 New York counties and 2315th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
1.9
302,455 customers
Customer-hours out
583K
Peak customers out
8,686
Outages ≥1,000 out
32
0 of 10,000+ · 287 total
Longest outage
74d 9h
began July 5, 2023
Rank in state
46th/62
2315th of 2,977 US

Compared with NY, the US and 2022

Monroe County, NY average hours without power per customer compared with state and national averages, 2023Monroe County 1.9 hours, New York average 2.2 hours, US average 7.1 hours, Monroe County, 2022 3.7 hoursMonroe CountyMonroe County1.9hNew York averageNew York average2.2hUS averageUS average7.1hMonroe County, 2022Monroe County, 20223.7h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

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Monroe County, NY customer-hours without power by month, 2023Jan 23K, Feb 59K, Mar 110K, Apr 26K, May 29K, Jun 64K, Jul 60K, Aug 67K, Sep 55K, Oct 28K, Nov 46K, Dec 16K050k100k150k23KJan59KFeb110KMar26KApr29KMay64KJun60KJul67KAug55KSep28KOct46KNov16KDec
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Customer-hours; March was the worst month.

Monroe County year over year

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Monroe County, NY: average hours without power per customer by year2015: 2.9h; 2016: 2.0h; 2017: 25.6h; 2018: 3.4h, coverage 98%; 2019: 2.4h, coverage 98%; 2020: 1.9h, coverage 99%; 2021: 5.8h, coverage 99%; 2022: 3.7h, coverage 99%; 2023: 1.9h; 2024: 2.0h; 2025: 2.3h01020300%50%100%2.9h20152.0h201625.6h20173.4h20182.4h20191.9h20205.8h20213.7h20221.9h20232.0h20242.3h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of New York customers tracked each year.

Biggest outages in Monroe County, 2023

The 10 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1July 5, 2023 09:45September 17, 2023 19:1574d 9h8,686149K
2May 21, 2023 10:45May 21, 2023 17:457h6,2038,340
3March 3, 2023 09:30March 6, 2023 03:452d 18h5,01842K
4March 22, 2023 13:30May 11, 2023 20:0050d 6h5,00885K
5July 4, 2023 21:15July 5, 2023 03:306h 15m4,76811K
6June 18, 2023 08:30June 22, 2023 22:454d 14h3,87836K
7February 23, 2023 01:00February 27, 2023 00:303d 23h3,02541K
8September 17, 2023 20:15September 26, 2023 23:159d 3h2,9377,035
9June 2, 2023 23:45June 4, 2023 15:151d 15h2,7884,484
10October 30, 2023 02:30November 26, 2023 00:1526d 21h2,50145K

Outage episodes by size in 2023: 86 reached 100+ customers, 32 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 Monroe County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Niagara Mohawk Power Corp.20233.5 hrs1.142.2 hrs0.98
Village of Fairport - (NY)202375 min0.5715 min0.30
AVANGRID-----
Rochester Gas & Electric Corp-----
Village of Churchville - (NY)-----
Village of Spencerport - (NY)-----

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 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 302,455 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. Monroe County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Monroe County, NY annual power outage report, 2023, 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/2023/new-york/monroe-county

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