Power Outages in Jefferson County, CO
As of the latest utility report, no major power outages are reported in Jefferson County, CO. In 2025, the average customer here lost power for about 13.6 hours.
Jefferson County, CO is served by 2 tracked utilities.
No active power outages are currently reported in Jefferson County.
- Heat AdvisoryMODERATE
- Air Quality AlertUNKNOWN
Jefferson County has been under 21 National Weather Service alerts recently — most recently a Heat Advisory on July 19, 2026.
- Air Quality Alert ×16
- Heat Advisory ×5
Hardest-hit cities in Jefferson County
Where this event is concentrated across the county's towns and townships.
- Lakewoodno active outage
- Arvadano active outage
Historical reliability
In 2025, the average customer in Jefferson County went about 13.6 hours without power. Peak simultaneous outage on record reached 156,331 customers.
Worst year here was 2025 (peak 51,319 customers out) · decade average 4.7 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 554 | 12,136 | 1.4 |
| 2016 | 474 | 13,179 | 1.7 |
| 2017 | 527 | 16,439 | 1.7 |
| 2018 | 648 | 9,952 | 2.3 |
| 2019 | 451 | 156,331 | 4.4 |
| 2020 | 714 | 34,885 | 2.6 |
| 2021 | 602 | 26,543 | 3.5 |
| 2022 | 661 | 57,450 | 6.1 |
| 2023 | 703 | 17,102 | 3.1 |
| 2024 | 660 | 73,150 | 11.7 |
| 2025 | 690 | 51,319 | 13.6 |
Very High winter weather exposure · 4.7 hrs/yr of outages over the last decade.
Power outages in Jefferson County: FAQ
- How often does Jefferson County, CO lose power?
- Based on EAGLE-I records, Jefferson County, CO logged 690 distinct outage events in 2025, averaging about 13.6 hours without power per customer over the year.
- What was the worst power outage in Jefferson County, CO?
- The largest tracked outage peaked at 156,331 customers without power, beginning February 15, 2019 and lasting about 6h 45m.
- Is there a power outage in Jefferson County, CO right now?
- No major outage is currently reported for Jefferson County, CO. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Jefferson County, CO?
- Tracked electric providers include INTERMOUNTAIN RURAL ELEC ASSN, UNITED POWER, INC.
Lakewood, Arvada. Outage counts for these communities are reported at the Jefferson County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Jefferson County.
80002, 80003, 80004, 80005, 80007, 80021, 80033, 80123, 80127, 80128, 80214, 80215, 80226, 80227, 80228, 80232, 80235, 80401, 80403, 80419, 80425, 80433, 80453, 80454, 80457, 80465, 80470
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| INTERMOUNTAIN RURAL ELEC ASSN | — | ODIN ✓ | — |
| UNITED POWER, INC | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/08059 and /api/v1/counties/08059/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Colorado customers).