County annual report · FIPS 08111
2021 San Juan County, CO Power Outage Report
In 2021, customers in San Juan County, CO went without power for an average of 6.3 hours, a total of 3,435 customer-hours (Colorado average 2.8 hours). That ranks 12th worst of 52 Colorado counties and 1118th of 2,974 nationally.
Compared with CO, the US and 2020
Coverage line is EAGLE-I's share of Colorado customers tracked each year.
Biggest outages in San Juan 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 | April 12, 2021 20:45 | April 12, 2021 22:15 | 1h 30m | 210 | 315 |
| 2 | December 10, 2021 08:15 | December 10, 2021 11:30 | 3h 15m | 210 | 265 |
| 3 | December 15, 2021 10:15 | December 15, 2021 19:00 | 8h 45m | 210 | 1,838 |
| 4 | December 24, 2021 17:30 | December 24, 2021 20:15 | 2h 45m | 210 | 578 |
| 5 | December 29, 2021 00:30 | December 29, 2021 01:00 | 30m | 210 | 105 |
| 6 | July 29, 2021 21:00 | July 29, 2021 21:15 | 15m | 87 | 22 |
| 7 | May 21, 2021 12:00 | May 21, 2021 16:45 | 4h 45m | 43 | 204 |
| 8 | December 24, 2021 12:00 | December 24, 2021 14:30 | 2h 30m | 23 | 52 |
| 9 | December 7, 2021 16:30 | December 7, 2021 18:30 | 2h | 17 | 34 |
| 10 | January 15, 2021 14:45 | January 15, 2021 19:15 | 4h 30m | 5 | 22 |
Outage episodes by size in 2021: 5 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 San Juan 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 |
|---|---|---|---|---|---|
| La Plata Electric Assn, Inc | 2021 | 4.0 hrs | 1.38 | 65 min | 0.73 |
| San Miguel Power Assn, Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 83% of Colorado's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 549 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. San Juan County has data for 2016–2024.
Cite this report
MassOutage (massoutage.com), San Juan County, CO 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/colorado/san-juan-county