massoutage

County annual report · FIPS 06099

2020 Stanislaus County, CA Power Outage Report

In 2020, customers in Stanislaus County, CA went without power for an average of 0.5 hours, a total of 112K customer-hours (California average 6.3 hours). That ranks 56th worst of 57 California counties and 2821st of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
0.5
219,156 customers
Customer-hours out
112K
Peak customers out
5,539
Outages ≥1,000 out
6
0 of 10,000+ · 570 total
Longest outage
1d 17h
began April 5, 2020
Rank in state
56th/57
2821st of 3,019 US

Compared with CA, the US and 2019

Stanislaus County, CA average hours without power per customer compared with state and national averages, 2020Stanislaus County 0.5 hours, California average 6.3 hours, US average 8.7 hours, Stanislaus County, 2019 0.5 hoursStanislaus CountyStanislaus County0.5hCalifornia averageCalifornia average6.3hUS averageUS average8.7hStanislaus County, 2019Stanislaus County, 2…0.5h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

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Stanislaus County, CA customer-hours without power by month, 2020Jan 4,945, Feb 45K, Mar 2,190, Apr 7,908, May 13K, Jun 7,358, Jul 13K, Aug 6,064, Sep 3,207, Oct 5,106, Nov 2,208, Dec 1,348020k40k60k4,945Jan45KFeb2,190Mar7,908Apr13KMay7,358Jun13KJul6,064Aug3,207Sep5,106Oct2,208Nov1,348Dec
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Customer-hours; February was the worst month.

Stanislaus County year over year

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Stanislaus County, CA: average hours without power per customer by year2015: no data; 2016: no data; 2017: no data; 2018: 0.2h, coverage 91%; 2019: 0.5h, coverage 93%; 2020: 0.5h, coverage 94%; 2021: 0.6h, coverage 95%; 2022: 0.3h, coverage 95%; 2023: 0.6h; 2024: 0.5h; 2025: 0.4h00.20.40.60%50%100%n/a2015n/a2016n/a20170.2h20180.5h20190.5h20200.6h20210.3h20220.6h20230.5h20240.4h2025
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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 California customers tracked each year.

Biggest outages in Stanislaus County, 2020

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1February 9, 2020 18:00February 10, 2020 23:451d 5h5,53943K
2April 5, 2020 19:00April 7, 2020 12:301d 17h3,7546,384
3January 16, 2020 19:30January 17, 2020 00:004h 30m2,4224,168
4July 12, 2020 04:15July 13, 2020 01:0020h 45m2,2978,934
5May 27, 2020 01:15May 28, 2020 08:451d 7h1,85411K
6June 26, 2020 18:00June 27, 2020 02:308h 30m1,6822,793
7August 14, 2020 15:00August 15, 2020 02:1511h 15m784992
8October 31, 2020 02:15November 1, 2020 00:1522h7661,861
9December 1, 2020 14:15December 1, 2020 14:3015m664166
10September 7, 2020 18:00September 8, 2020 20:001d 2h6361,212

Outage episodes by size in 2020: 47 reached 100+ customers, 6 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 Stanislaus County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Pacific Gas & Electric Co.20207.4 hrs1.342.3 hrs1.04
Turlock Irrigation District202075 min0.6656 min0.57
Modesto Irrigation District202052 min0.6344 min0.58

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 94% of California's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 219,156 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. Stanislaus County has data for 2018–2025.

Cite this report

MassOutage (massoutage.com), Stanislaus County, CA annual power outage report, 2020, 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/2020/california/stanislaus-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON