County annual report · FIPS 29121
2021 Macon County, MO Power Outage Report
In 2021, customers in Macon County, MO went without power for an average of 0.8 hours, a total of 6,934 customer-hours (Missouri average 4.5 hours). That ranks 109th worst of 115 Missouri counties and 2740th 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 Macon 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 24, 2021 12:00 | July 24, 2021 18:30 | 6h 30m | 1,378 | 1,359 |
| 2 | November 11, 2021 02:00 | November 11, 2021 03:45 | 1h 45m | 305 | 323 |
| 3 | January 4, 2021 21:00 | January 4, 2021 22:30 | 1h 30m | 218 | 226 |
| 4 | January 26, 2021 10:15 | January 26, 2021 12:30 | 2h 15m | 191 | 329 |
| 5 | August 10, 2021 20:15 | August 10, 2021 23:45 | 3h 30m | 150 | 217 |
| 6 | December 16, 2021 02:00 | December 16, 2021 08:00 | 6h | 145 | 214 |
| 7 | May 9, 2021 08:45 | May 9, 2021 21:30 | 12h 45m | 139 | 326 |
| 8 | May 21, 2021 17:00 | May 21, 2021 18:30 | 1h 30m | 123 | 133 |
| 9 | April 14, 2021 14:00 | April 14, 2021 14:15 | 15m | 118 | 30 |
| 10 | April 24, 2021 22:30 | April 25, 2021 00:15 | 1h 45m | 118 | 177 |
Outage episodes by size in 2021: 12 reached 100+ customers, 1 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 Macon 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 |
| City of Macon - (MO) | 2018 | 33 min | 1.84 | 33 min | 1.84 |
| Macon Electric Coop | - | - | - | - | - |
| Tri-County Electric Coop Assn (MO) | - | - | - | - | - |
| City of La Plata - (MO) | - | - | - | - | - |
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 ÷ 8,853 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. Macon County has data for 2015, 2017, 2019–2025.
Cite this report
MassOutage (massoutage.com), Macon 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/macon-county