County annual report · FIPS 08059
2016 Jefferson County, CO Power Outage Report
In 2016, customers in Jefferson County, CO went without power for an average of 1.7 hours, a total of 478K customer-hours (Colorado average 1.7 hours). That ranks 12th worst of 40 Colorado counties and 1445th of 2,391 nationally.
Compared with CO, the US and 2015
Coverage line is EAGLE-I's share of Colorado customers tracked each year.
Biggest outages in Jefferson County, 2016
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | March 23, 2016 07:15 | March 26, 2016 11:30 | 3d 4h | 13,179 | 191K |
| 2 | January 26, 2016 15:15 | January 27, 2016 01:45 | 10h 30m | 4,840 | 2,585 |
| 3 | May 16, 2016 04:30 | May 16, 2016 04:45 | 15m | 3,343 | 836 |
| 4 | August 3, 2016 22:15 | August 4, 2016 13:15 | 15h | 3,247 | 8,917 |
| 5 | July 12, 2016 16:15 | July 12, 2016 21:30 | 5h 15m | 3,154 | 10K |
| 6 | March 14, 2016 19:45 | March 15, 2016 16:30 | 20h 45m | 3,046 | 4,520 |
| 7 | July 7, 2016 03:00 | July 7, 2016 09:30 | 6h 30m | 3,026 | 5,753 |
| 8 | January 4, 2016 05:45 | January 4, 2016 09:45 | 4h | 2,936 | 4,905 |
| 9 | July 3, 2016 01:00 | July 3, 2016 06:45 | 5h 45m | 2,652 | 3,365 |
| 10 | February 12, 2016 15:00 | February 16, 2016 17:45 | 4d 2h | 2,571 | 12K |
Outage episodes by size in 2016: 158 reached 100+ customers, 38 reached 1,000+ customers, 1 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 Jefferson County reported on EIA Form 861 for 2016, 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 |
|---|---|---|---|---|---|
| Public Service Co of Colorado | 2016 | 2.6 hrs | 1.23 | 86 min | 0.97 |
| CORE Electric Cooperative | 2016 | 2.7 hrs | 0.91 | 77 min | 0.79 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| United Power, 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 n/a of Colorado's customers in 2016; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 278,207 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. Jefferson County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Jefferson County, CO annual power outage report, 2016, 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/2016/colorado/jefferson-county