County annual report · FIPS 08013
2019 Boulder County, CO Power Outage Report
In 2019, customers in Boulder County, CO went without power for an average of 2.5 hours, a total of 421K customer-hours (Colorado average 3.3 hours). That ranks 25th worst of 55 Colorado counties and 1828th of 2,945 nationally.
Compared with CO, the US and 2018
Coverage line is EAGLE-I's share of Colorado customers tracked each year.
Biggest outages in Boulder County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | February 15, 2019 20:45 | February 15, 2019 23:00 | 2h 15m | 44,170 | 22K |
| 2 | October 28, 2019 15:15 | October 29, 2019 04:30 | 13h 15m | 10,666 | 30K |
| 3 | April 30, 2019 16:30 | May 7, 2019 02:30 | 6d 10h | 5,992 | 65K |
| 4 | October 5, 2019 08:15 | October 5, 2019 21:15 | 13h | 5,125 | 7,007 |
| 5 | July 12, 2019 12:00 | July 27, 2019 18:15 | 15d 6h | 4,453 | 17K |
| 6 | September 23, 2019 13:30 | September 24, 2019 00:30 | 11h | 4,451 | 2,860 |
| 7 | October 11, 2019 13:15 | October 12, 2019 03:15 | 14h | 4,365 | 3,095 |
| 8 | September 30, 2019 04:45 | September 30, 2019 07:15 | 2h 30m | 4,300 | 2,152 |
| 9 | September 8, 2019 14:15 | September 11, 2019 20:15 | 3d 6h | 4,228 | 2,892 |
| 10 | August 27, 2019 11:15 | August 27, 2019 17:45 | 6h 30m | 4,227 | 5,303 |
Outage episodes by size in 2019: 109 reached 100+ customers, 32 reached 1,000+ customers, 2 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 Boulder County reported on EIA Form 861 for 2019, 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 | 2018 | 1.9 hrs | 1.02 | 1.6 hrs | 0.98 |
| United Power, Inc | 2018 | 70 min | 0.75 | - | - |
| Poudre Valley REA, Inc | 2018 | 1.6 hrs | 1.05 | 1.6 hrs | 1.05 |
| WAPA-- Western Area Power Administration | - | - | - | - | - |
| City of Longmont | - | - | - | - | - |
| Town of Estes Park | - | - | - | - | - |
| Town of Lyons - (CO) | - | - | - | - | - |
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 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 166,613 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. Boulder County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Boulder County, CO annual power outage report, 2019, 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/2019/colorado/boulder-county