Grayson County, TX Power Outages
Utilities serving Grayson County, Texas don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Grayson County on the Texas outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Grayson County power outage history
Every significant outage recorded in Grayson County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 241 significant power outages in Grayson County, meaning events that left at least 1% of customers in the dark. The largest (Jun 8–10, 2025) came when severe thunderstorms left 19,362 customers (36.9% of the county) without power.
From 2018 to 2025, the average customer here lost about 7 hr 10 min of power per year, less than the Texas average of 9 hr 28 min. That ranks 182nd of 254 Texas counties for outage time, where 1st has the most.
February is the riskiest month: it accounted for 27% of all customer outage time from 2018 to 2025. On 40 days in that period, at least 5% of customers were out at the same time. Outage time in Grayson County has held roughly steady recently: about 7 hr 44 min per customer per year in 2022–2025, versus 6 hr 34 min in 2018–2021.
The most recent significant outage on record (Dec 29, 2025) affected 2,045 customers (3.9%) amid a winter storm.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jun 8–10, 2025 | 19,362(36.9%) | 3 | Severe thunderstorms |
| 2 | Feb 12–18, 2021 | 19,236(36.6%) | 7 | Winter Storm Uri |
| 3 | Jun 1, 2015 | 18,800(35.8%) | 1 | Flooding |
| 4 | Sep 5–10, 2025 | 18,332(34.9%) | 6 | Severe thunderstorms |
| 5 | Sep 13, 2021 | 17,172(32.7%) | 1 | Hurricane Nicholas |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Grayson County?
Electric companies with service territory in Grayson County (EIA-861, 2025)
| Utility | Type | Customers (TX) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Oncor | Investor Owned | 4,084,817 | Not reporting | |
| CoServ | Cooperative | 337,015 | Not reporting | |
| TNMP (Texas-New Mexico Power) | Investor Owned | 274,282 | Not reporting | |
| Grayson-Collin Electric Cooperative | Cooperative | 103,461 | Not reporting | |
| Cooke County Elec Coop Assn | Cooperative | 18,583 | Not reporting | |
| Fannin County Electric Coop | Cooperative | 12,480 | Not reporting | |
| City of Whitesboro - (TX) | Municipal | 2,242 | Not reporting |
Customer counts are each utility's statewide total in Texas. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Grayson County outage headlines in the past week.
Cities in Grayson County
Sherman, Denison
Nearby counties
Grayson County power outage FAQ
Is the power out in Grayson County right now?
No outages are currently reported for Grayson County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Grayson County?
According to EIA-861 service territory data, Oncor Electric Delivery Company LLC, Denton County Elec Coop, Inc, Texas-New Mexico Power Co, Grayson-Collin Elec Coop, Inc and 3 others provide electric service in Grayson County, Texas.
What was the worst power outage in Grayson County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jun 8–10, 2025. It peaked at 19,362 customers without power (36.9% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Grayson County?
EAGLE-I has recorded 241 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 7 hr 10 min of power per year, and on 40 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Grayson County, TX Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/texas/grayson-county