County annual report · FIPS 48269
2025 King County, TX Power Outage Report
In 2025, customers in King County, TX went without power for an average of 63.7 hours, a total of 7,579 customer-hours (Texas average 4.6 hours). That ranks 10th worst of 254 Texas counties and 56th of 3,000 nationally.
Compared with TX, the US and 2024
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in King County, 2025
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 4, 2025 18:30 | March 5, 2025 00:00 | 5h 30m | 395 | 294 |
| 2 | June 9, 2025 00:30 | June 9, 2025 15:00 | 14h 30m | 302 | 841 |
| 3 | June 5, 2025 10:45 | June 8, 2025 19:15 | 3d 8h | 292 | 1,790 |
| 4 | March 8, 2025 13:30 | March 8, 2025 16:30 | 3h | 283 | 849 |
| 5 | May 25, 2025 23:15 | May 26, 2025 06:45 | 7h 30m | 153 | 580 |
| 6 | May 26, 2025 11:00 | May 26, 2025 13:00 | 2h | 92 | 184 |
| 7 | May 27, 2025 18:45 | May 27, 2025 19:15 | 30m | 92 | 23 |
| 8 | May 29, 2025 13:30 | May 29, 2025 18:45 | 5h 15m | 63 | 331 |
| 9 | April 26, 2025 15:15 | April 28, 2025 18:15 | 2d 3h | 57 | 311 |
| 10 | November 11, 2025 18:00 | November 11, 2025 20:30 | 2h 30m | 55 | 16 |
Outage episodes by size in 2025: 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 King County reported on EIA Form 861 for 2025, 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 |
|---|---|---|---|---|---|
| AEP Texas North Company | 2024 | 1.8 hrs | 1.15 | 1.7 hrs | 1.13 |
| Tri-County Electric Coop, Inc (TX) | 2024 | 2.2 hrs | 1.42 | 1.8 hrs | 1.09 |
| South Plains Electric Coop 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 Texas's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 119 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. King County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), King County, TX annual power outage report, 2025, 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/2025/texas/king-county