massoutage

County annual report · FIPS 36053

2025 Madison County, NY Power Outage Report

In 2025, customers in Madison County, NY went without power for an average of 10.4 hours, a total of 354K customer-hours (New York average 2.4 hours). That ranks 8th worst of 62 New York counties and 771st of 3,000 nationally.

Summary data CSVJSON
Avg hrs / customer
10.4
34,017 customers
Customer-hours out
354K
Peak customers out
13,208
Outages ≥1,000 out
14
1 of 10,000+ · 503 total
Longest outage
3d 20h
began June 22, 2025
Rank in state
8th/62
771st of 3,000 US

Compared with NY, the US and 2024

Madison County, NY average hours without power per customer compared with state and national averages, 2025Madison County 10.4 hours, New York average 2.4 hours, US average 5.9 hours, Madison County, 2024 9.9 hoursMadison CountyMadison County10.4hNew York averageNew York average2.4hUS averageUS average5.9hMadison County, 2024Madison County, 20249.9h
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Average hours without power per customer in 2025; last bar is this county in 2024.

Month by month

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Madison County, NY customer-hours without power by month, 2025Jan 8,670, Feb 14K, Mar 35K, Apr 18K, May 4,520, Jun 231K, Jul 9,961, Aug 2,770, Sep 1,557, Oct 6,472, Nov 9,297, Dec 13K0100k200k300k8,670Jan14KFeb35KMar18KApr4,520May231KJun9,961Jul2,770Aug1,557Sep6,472Oct9,297Nov13KDec
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Customer-hours; June was the worst month.

Madison County year over year

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Madison County, NY: average hours without power per customer by year2015: 3.0h; 2016: 2.9h; 2017: 4.7h; 2018: 6.2h, coverage 98%; 2019: 3.3h, coverage 98%; 2020: 4.2h, coverage 99%; 2021: 5.3h, coverage 99%; 2022: 8.8h, coverage 99%; 2023: 2.7h; 2024: 9.9h; 2025: 10.4h0510150%50%100%3.0h20152.9h20164.7h20176.2h20183.3h20194.2h20205.3h20218.8h20222.7h20239.9h202410.4h2025
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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 Madison County, 2025

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1June 22, 2025 08:30June 26, 2025 04:303d 20h13,208220K
2March 16, 2025 16:15March 18, 2025 01:151d 9h4,56330K
3May 18, 2025 08:00May 19, 2025 08:301d3,1911,495
4December 19, 2025 07:45December 20, 2025 08:301d2,5518,579
5April 29, 2025 22:00May 1, 2025 00:301d 2h1,84414K
6April 29, 2025 16:45April 29, 2025 18:301h 45m1,6711,985
7January 31, 2025 18:15February 1, 2025 00:456h 30m1,6702,336
8April 3, 2025 00:30April 3, 2025 02:151h 45m1,485373
9February 16, 2025 16:15February 18, 2025 16:001d 23h1,36711K
10March 5, 2025 17:15March 6, 2025 04:3011h 15m1,2302,265

Outage episodes by size in 2025: 68 reached 100+ customers, 14 reached 1,000+ customers, 1 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 Madison County reported on EIA Form 861 for 2025, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
New York State Elec & Gas Corp20164.5 hrs1.563.6 hrs1.47
Niagara Mohawk Power Corp.20248.5 hrs1.692.3 hrs1.05
AVANGRID-----
Otsego Electric Coop, Inc-----
City of Sherrill - (NY)-----
Oneida-Madison Elec Coop, Inc-----
Village of Hamilton - (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 2025; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 34,017 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. Madison County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Madison 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/madison-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON