County annual report · FIPS 29131
2023 Miller County, MO Power Outage Report
In 2023, customers in Miller County, MO went without power for an average of 6.2 hours, a total of 78K customer-hours (Missouri average 9.4 hours). That ranks 53rd worst of 114 Missouri counties and 1259th of 2,977 nationally.
Compared with MO, the US and 2022
Coverage line is EAGLE-I's share of Missouri customers tracked each year.
Biggest outages in Miller County, 2023
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 16, 2023 18:30 | July 17, 2023 05:45 | 11h 15m | 4,083 | 5,796 |
| 2 | July 17, 2023 17:30 | July 18, 2023 03:30 | 10h | 2,805 | 6,387 |
| 3 | August 3, 2023 02:15 | August 4, 2023 01:45 | 23h 30m | 1,978 | 11K |
| 4 | September 6, 2023 02:15 | September 6, 2023 22:45 | 20h 30m | 1,871 | 7,924 |
| 5 | May 24, 2023 17:00 | May 25, 2023 22:00 | 1d 5h | 1,646 | 3,656 |
| 6 | May 23, 2023 03:00 | May 23, 2023 05:15 | 2h 15m | 1,415 | 1,584 |
| 7 | January 12, 2023 13:30 | January 13, 2023 02:15 | 12h 45m | 940 | 3,793 |
| 8 | August 28, 2023 18:30 | August 28, 2023 19:15 | 45m | 887 | 546 |
| 9 | May 8, 2023 08:45 | May 8, 2023 14:30 | 5h 45m | 776 | 3,055 |
| 10 | April 15, 2023 20:15 | April 16, 2023 07:30 | 11h 15m | 736 | 2,791 |
Outage episodes by size in 2023: 24 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 Miller County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Union Electric Co - (MO) | 2023 | 8.0 hrs | 1.18 | 1.6 hrs | 0.67 |
| Co-Mo Electric Coop Inc | 2023 | 3.0 hrs | 1.24 | 76 min | 0.72 |
| Three Rivers Electric Coop | 2023 | 2.9 hrs | 1.11 | 2.3 hrs | 1.02 |
| Ameren | - | - | - | - | - |
| Gascosage Electric Coop | - | - | - | - | - |
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 Missouri's customers in 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 12,538 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. Miller County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Miller County, MO 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/missouri/miller-county