County annual report · FIPS 48121
2023 Denton County, TX Power Outage Report
In 2023, customers in Denton County, TX went without power for an average of 1.7 hours, a total of 580K customer-hours (Texas average 8.1 hours). That ranks 234th worst of 252 Texas counties and 2389th of 2,977 nationally.
Compared with TX, the US and 2022
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Denton County, 2023
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 2, 2023 13:30 | March 5, 2023 02:30 | 2d 13h | 21,845 | 113K |
| 2 | January 19, 2023 14:15 | January 20, 2023 06:15 | 16h | 13,837 | 4,749 |
| 3 | January 18, 2023 15:15 | January 19, 2023 08:30 | 17h 15m | 5,673 | 7,481 |
| 4 | June 4, 2023 14:15 | June 7, 2023 09:45 | 2d 19h | 5,341 | 19K |
| 5 | July 24, 2023 22:45 | July 25, 2023 03:15 | 4h 30m | 5,322 | 9,308 |
| 6 | October 26, 2023 01:45 | October 27, 2023 08:30 | 1d 6h | 4,057 | 16K |
| 7 | August 14, 2023 19:15 | August 15, 2023 00:30 | 5h 15m | 3,595 | 2,284 |
| 8 | February 7, 2023 16:45 | February 15, 2023 05:45 | 7d 13h | 3,454 | 30K |
| 9 | October 28, 2023 11:45 | November 1, 2023 20:15 | 4d 8h | 3,213 | 6,248 |
| 10 | August 2, 2023 16:45 | August 3, 2023 20:30 | 1d 3h | 3,055 | 15K |
Outage episodes by size in 2023: 160 reached 100+ customers, 46 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 Denton County reported on EIA Form 861 for 2023, 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 |
|---|---|---|---|---|---|
| Oncor Electric Delivery Company LLC | 2017 | 3.4 hrs | 1.69 | 2.4 hrs | 1.49 |
| Tri-County Electric Coop, Inc (TX) | 2023 | 3.3 hrs | 1.72 | 2.4 hrs | 1.46 |
| Denton County Elec Coop, Inc | 2023 | 50 min | 0.68 | 39 min | 0.57 |
| Cooke County Elec Coop Assn | 2023 | 6.1 hrs | 1.88 | 0 min | - |
| City of Denton - (TX) | 2023 | 36 min | 0.37 | 36 min | 0.37 |
| Texas-New Mexico Power Co | - | - | - | - | - |
| Wise Electric Coop Inc | - | - | - | - | - |
| City of Sanger - (TX) | - | - | - | - | - |
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 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 332,707 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. Denton County has data for 2015, 2017–2025.
Cite this report
MassOutage (massoutage.com), Denton County, TX annual power outage report, 2023, 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/2023/texas/denton-county