County annual report · FIPS 29111
2021 Lewis County, MO Power Outage Report
In 2021, customers in Lewis County, MO went without power for an average of 1.8 hours, a total of 11K customer-hours (Missouri average 4.5 hours). That ranks 86th worst of 115 Missouri counties and 2298th of 2,974 nationally.
Compared with MO, the US and 2020
Coverage line is EAGLE-I's share of Missouri customers tracked each year.
Biggest outages in Lewis County, 2021
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 5, 2021 12:15 | July 5, 2021 18:00 | 5h 45m | 724 | 3,155 |
| 2 | July 31, 2021 09:15 | July 31, 2021 11:30 | 2h 15m | 714 | 897 |
| 3 | January 20, 2021 13:15 | January 20, 2021 13:30 | 15m | 427 | 107 |
| 4 | September 21, 2021 02:45 | September 21, 2021 16:00 | 13h 15m | 405 | 2,027 |
| 5 | July 10, 2021 02:30 | July 11, 2021 02:15 | 23h 45m | 359 | 797 |
| 6 | July 23, 2021 14:15 | July 24, 2021 00:45 | 10h 30m | 285 | 199 |
| 7 | January 4, 2021 18:00 | January 4, 2021 23:15 | 5h 15m | 247 | 286 |
| 8 | December 16, 2021 02:45 | December 16, 2021 08:45 | 6h | 165 | 622 |
| 9 | May 1, 2021 20:45 | May 2, 2021 01:00 | 4h 15m | 144 | 586 |
| 10 | March 15, 2021 10:45 | March 15, 2021 12:00 | 1h 15m | 100 | 109 |
Outage episodes by size in 2021: 10 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 Lewis County reported on EIA Form 861 for 2021, 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) | 2021 | 4.9 hrs | 1.02 | 1.5 hrs | 0.69 |
| Ameren | - | - | - | - | - |
| Lewis County Rural E C A | - | - | - | - | - |
| Missouri Rural 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 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 6,054 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. Lewis County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Lewis County, MO annual power outage report, 2021, 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/2021/missouri/lewis-county