massoutage

County annual report · FIPS 47159

2023 Smith County, TN Power Outage Report

In 2023, customers in Smith County, TN went without power for an average of 0.9 hours, a total of 8,032 customer-hours (Tennessee average 11.1 hours). That ranks 69th worst of 83 Tennessee counties and 2696th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
0.9
8,588 customers
Customer-hours out
8,032
Peak customers out
146
Outages ≥1,000 out
0
0 of 10,000+ · 68 total
Longest outage
3d 8h
began April 1, 2023
Rank in state
69th/83
2696th of 2,977 US

Compared with TN, the US and 2022

Smith County, TN average hours without power per customer compared with state and national averages, 2023Smith County 0.9 hours, Tennessee average 11.1 hours, US average 7.1 hours, Smith County, 2022 0.3 hoursSmith CountySmith County0.9hTennessee averageTennessee average11.1hUS averageUS average7.1hSmith County, 2022Smith County, 20220.3h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

CSVJSON
Smith County, TN customer-hours without power by month, 2023Jan 113, Feb 1, Mar 31, Apr 6,370, May 93, Jun 906, Jul 15, Aug 257, Sep 106, Oct 41, Nov 49, Dec 5202k4k6k8k113Jan1Feb31Mar6,370Apr93May906Jun15Jul257Aug106Sep41Oct49Nov52Dec
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Customer-hours; April was the worst month.

Smith County year over year

CSVJSON
Smith County, TN: average hours without power per customer by year2015: 1.0h; 2016: 0.9h; 2017: 1.2h; 2018: 5.2h, coverage 55%; 2019: 1.8h, coverage 73%; 2020: 0.6h, coverage 73%; 2021: 0.3h, coverage 73%; 2022: 0.3h, coverage 75%; 2023: 0.9h; 2024: 0.1h; 2025: 0.4h02460%50%100%1.0h20150.9h20161.2h20175.2h20181.8h20190.6h20200.3h20210.3h20220.9h20230.1h20240.4h2025
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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 Tennessee customers tracked each year.

Biggest outages in Smith County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1June 3, 2023 16:30June 3, 2023 19:002h 30m146365
2June 3, 2023 21:00June 3, 2023 21:1515m14637
3August 15, 2023 17:30August 15, 2023 19:151h 45m146256
4April 1, 2023 06:00April 4, 2023 14:153d 8h1146,306
5September 28, 2023 14:45September 28, 2023 16:001h 15m85106
6October 19, 2023 00:15October 19, 2023 00:3015m8221
7June 6, 2023 18:30June 6, 2023 21:152h 45m77193
8June 11, 2023 23:15June 12, 2023 04:455h 30m72307
9December 5, 2023 14:45December 5, 2023 15:0015m7018
10January 3, 2023 23:15January 4, 2023 01:001h 45m57100

Outage episodes by size in 2023: 4 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 Smith County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Tri-County Elec Member Corp (TN)202312.4 hrs4.015.7 hrs3.21
Middle Tennessee E M C202374 min1.1351 min0.98
Upper Cumberland E M C20224.3 hrs-2.2 hrs-

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 Tennessee's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 8,588 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. Smith County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Smith County, TN 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/tennessee/smith-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON