massoutage

County annual report · FIPS 46075

2020 Jones County, SD Power Outage Report

In 2020, customers in Jones County, SD went without power for an average of 5.0 hours, a total of 3,477 customer-hours (South Dakota average 4.6 hours). That ranks 23rd worst of 62 South Dakota counties and 1395th of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
5.0
697 customers
Customer-hours out
3,477
Peak customers out
415
Outages ≥1,000 out
0
0 of 10,000+ · 46 total
Longest outage
4d 10h
began July 30, 2020
Rank in state
23rd/62
1395th of 3,019 US

Compared with SD, the US and 2019

Jones County, SD average hours without power per customer compared with state and national averages, 2020Jones County 5.0 hours, South Dakota average 4.6 hours, US average 8.7 hours, Jones County, 2019 3.1 hoursJones CountyJones County5.0hSouth Dakota averageSouth Dakota average4.6hUS averageUS average8.7hJones County, 2019Jones County, 20193.1h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

CSVJSON
Jones County, SD customer-hours without power by month, 2020Jan 37, Feb 10, Mar 0, Apr 1,035, May 3, Jun 615, Jul 897, Aug 295, Sep 194, Oct 108, Nov 59, Dec 22505001k1.5k37Jan10Feb0Mar1,035Apr3May615Jun897Jul295Aug194Sep108Oct59Nov225Dec
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Customer-hours; April was the worst month.

Jones County year over year

CSVJSON
Jones County, SD: average hours without power per customer by year2015: no data; 2016: no data; 2017: no data; 2018: no data; 2019: 3.1h, coverage 87%; 2020: 5.0h, coverage 79%; 2021: 9.2h, coverage 79%; 2022: 13.5h, coverage 89%; 2023: 2.4h; 2024: 1.6h; 2025: 0.6h0510150%50%100%n/a2015n/a2016n/a2017n/a20183.1h20195.0h20209.2h202113.5h20222.4h20231.6h20240.6h2025
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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 South Dakota customers tracked each year.

Biggest outages in Jones County, 2020

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 20, 2020 22:45April 21, 2020 02:003h 15m415562
2April 15, 2020 15:45April 15, 2020 22:006h 15m254323
3December 6, 2020 12:00December 6, 2020 13:001h217167
4July 5, 2020 22:30July 6, 2020 01:303h123141
5July 24, 2020 23:45July 25, 2020 02:453h105143
6April 11, 2020 16:45April 11, 2020 19:152h 30m85150
7June 8, 2020 00:30June 9, 2020 14:001d 13h70249
8July 2, 2020 21:30July 2, 2020 22:0030m6633
9September 29, 2020 09:00September 29, 2020 11:002h64128
10November 14, 2020 22:15November 14, 2020 23:151h6259

Outage episodes by size in 2020: 5 reached 100+ customers, 0 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 Jones 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
West Central Electric Coop Inc - (SD)20183.7 hrs1.251.5 hrs1.25
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 79% of South Dakota's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 697 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. Jones County has data for 2019–2025.

Cite this report

MassOutage (massoutage.com), Jones County, SD 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/south-dakota/jones-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON