Power Outages in Arapahoe County, CO
As of the latest utility report, no major power outages are reported in Arapahoe County, CO. In 2025, the average customer here lost power for about 1.5 hours.
Arapahoe County, CO is served by 1 tracked utility.
No active power outages are currently reported in Arapahoe County.
- Heat AdvisoryMODERATE
- Air Quality AlertUNKNOWN
Arapahoe 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
Latest Arapahoe County, CO outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 2h 22m
- IMPROVING
Improving — down to 585 customers out
- OUTAGE BEGAN
Outage began — 1,123 customers out
Hardest-hit cities in Arapahoe County
Where this event is concentrated across the county's towns and townships.
- Aurorano active outage
- Centennialno active outage
- Littletonno active outage
Historical reliability
In 2025, the average customer in Arapahoe County went about 1.5 hours without power. Peak simultaneous outage on record reached 124,233 customers.
Worst year here was 2024 (peak 22,443 customers out) · decade average 2.0 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 530 | 8,396 | 1.3 |
| 2016 | 548 | 24,676 | 1.2 |
| 2017 | 554 | 53,378 | 1.3 |
| 2018 | 560 | 24,149 | 1.6 |
| 2019 | 595 | 124,233 | 3.4 |
| 2020 | 660 | 9,314 | 1.6 |
| 2021 | 730 | 11,280 | 1.5 |
| 2022 | 870 | 19,343 | 2.9 |
| 2023 | 764 | 40,045 | 2.1 |
| 2024 | 932 | 22,443 | 3.5 |
| 2025 | 961 | 22,489 | 1.5 |
Relatively High high winds exposure · 2.0 hrs/yr of outages over the last decade.
Power outages in Arapahoe County: FAQ
- How often does Arapahoe County, CO lose power?
- Based on EAGLE-I records, Arapahoe County, CO logged 961 distinct outage events in 2025, averaging about 1.5 hours without power per customer over the year.
- What was the worst power outage in Arapahoe County, CO?
- The largest tracked outage peaked at 124,233 customers without power, beginning February 8, 2019 and lasting about 8d 14h.
- Is there a power outage in Arapahoe County, CO right now?
- No major outage is currently reported for Arapahoe County, CO. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Arapahoe County, CO?
- Tracked electric providers include INTERMOUNTAIN RURAL ELEC ASSN.
Aurora, Centennial, Littleton. Outage counts for these communities are reported at the Arapahoe County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Arapahoe County.
80010, 80012, 80013, 80014, 80015, 80016, 80017, 80018, 80105, 80110, 80111, 80112, 80113, 80120, 80121, 80122, 80137
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 ✓ | — |
Machine-readable data: /api/v1/counties/08005 and /api/v1/counties/08005/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Colorado customers).