County annual report · FIPS 29131
2020 Miller County, MO Power Outage Report
In 2020, customers in Miller County, MO went without power for an average of 2.0 hours, a total of 26K customer-hours (Missouri average 2.8 hours). That ranks 77th worst of 115 Missouri counties and 2235th of 3,019 nationally.
Compared with MO, the US and 2019
Coverage line is EAGLE-I's share of Missouri customers tracked each year.
Biggest outages in Miller County, 2020
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | April 23, 2020 17:30 | April 23, 2020 17:45 | 15m | 2,283 | 571 |
| 2 | August 30, 2020 13:15 | September 1, 2020 01:45 | 1d 12h | 1,276 | 5,826 |
| 3 | August 10, 2020 11:30 | August 10, 2020 20:45 | 9h 15m | 983 | 3,121 |
| 4 | February 8, 2020 22:00 | February 8, 2020 23:30 | 1h 30m | 805 | 203 |
| 5 | September 8, 2020 20:45 | September 9, 2020 06:30 | 9h 45m | 676 | 739 |
| 6 | January 19, 2020 13:00 | January 19, 2020 17:00 | 4h | 533 | 1,085 |
| 7 | July 28, 2020 05:45 | July 28, 2020 14:45 | 9h | 458 | 3,458 |
| 8 | April 19, 2020 16:15 | April 19, 2020 17:30 | 1h 15m | 263 | 329 |
| 9 | June 20, 2020 19:15 | June 21, 2020 04:45 | 9h 30m | 263 | 140 |
| 10 | September 4, 2020 10:30 | September 4, 2020 12:30 | 2h | 251 | 440 |
Outage episodes by size in 2020: 18 reached 100+ customers, 2 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 2020, 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) | 2020 | 2.6 hrs | 0.86 | 86 min | 0.71 |
| Co-Mo Electric Coop Inc | 2020 | 1.9 hrs | 0.94 | 89 min | 0.81 |
| Three Rivers Electric Coop | 2020 | 83 min | 0.77 | 83 min | 0.77 |
| 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 95% of Missouri's customers in 2020; 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, 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/missouri/miller-county