massoutage

County annual report · FIPS 06009

2020 Calaveras County, CA Power Outage Report

In 2020, customers in Calaveras County, CA went without power for an average of 93.7 hours, a total of 1.7M customer-hours (California average 6.3 hours). That ranks 3rd worst of 57 California counties and 69th of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
93.7
18,417 customers
Customer-hours out
1.7M
Peak customers out
18,327
Outages ≥1,000 out
21
2 of 10,000+ · 546 total
Longest outage
8d 19h
began March 15, 2020
Rank in state
3rd/57
69th of 3,019 US

Compared with CA, the US and 2019

Calaveras County, CA average hours without power per customer compared with state and national averages, 2020Calaveras County 93.7 hours, California average 6.3 hours, US average 8.7 hours, Calaveras County, 2019 185.6 hoursCalaveras CountyCalaveras County93.7hCalifornia averageCalifornia average6.3hUS averageUS average8.7hCalaveras County, 2019Calaveras County, 20…185.6h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

CSVJSON
Calaveras County, CA customer-hours without power by month, 2020Jan 12K, Feb 18K, Mar 437K, Apr 11K, May 4,447, Jun 42K, Jul 13K, Aug 31K, Sep 518K, Oct 627K, Nov 8,688, Dec 4,5560200k400k600k800k12KJan18KFeb437KMar11KApr4,447May42KJun13KJul31KAug518KSep627KOct8,688Nov4,556Dec
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Customer-hours; October was the worst month.

Calaveras County year over year

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Calaveras County, CA: average hours without power per customer by year2015: no data; 2016: no data; 2017: no data; 2018: 8.7h, coverage 91%; 2019: 185.6h, coverage 93%; 2020: 93.7h, coverage 94%; 2021: 124.9h, coverage 95%; 2022: 57.5h, coverage 95%; 2023: 57.1h; 2024: 47.7h; 2025: 18.0h0501001502000%50%100%n/a2015n/a2016n/a20178.7h2018185.6h201993.7h2020124.9h202157.5h202257.1h202347.7h202418.0h2025
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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 Calaveras County, 2020

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1October 25, 2020 22:30October 28, 2020 22:453d18,327619K
2September 8, 2020 04:15September 11, 2020 05:303d 1h14,452464K
3March 15, 2020 10:00March 24, 2020 05:158d 19h5,343412K
4August 19, 2020 14:45August 19, 2020 23:459h4,1876,426
5June 4, 2020 17:00June 5, 2020 10:0017h4,17921K
6September 28, 2020 01:45September 28, 2020 23:1521h 30m3,21443K
7March 12, 2020 16:15March 13, 2020 12:1520h3,15010K
8June 17, 2020 13:15June 17, 2020 23:4510h 30m2,5485,828
9June 19, 2020 08:45June 19, 2020 10:151h 30m2,5482,185
10February 9, 2020 16:30February 14, 2020 23:155d 6h2,52815K

Outage episodes by size in 2020: 89 reached 100+ customers, 21 reached 1,000+ customers, 2 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 Calaveras County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Pacific Gas & Electric Co.20207.4 hrs1.342.3 hrs1.04
WAPA-- Western Area Power Administration-----

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 ÷ 18,417 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. Calaveras County has data for 2018–2025.

Cite this report

MassOutage (massoutage.com), Calaveras 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/calaveras-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON