Major outage reports in 2021
387outage and grid-emergency reports filed with DOE for 2021
In 2021, 387 reports began; 4 more than 2020, when 383 began. February 2021 was the busiest month (99). The busiest day was 15 Feb 2021, with 34 reports across 10 states. Severe weather and natural disasters lead 2021 at 40%; 133 of the 2021 reports list customers and 90 list 50,000 or more.
2021 by month
2021 reports by start month
- 22Jan
- 99Feb
- 19Mar
- 18Apr
- 24May
- 28Jun
- 29Jul
- 33Aug
- 31Sep
- 31Oct
- 22Nov
- 31Dec
Which states filed most in 2021
| State | Reports | Top count |
|---|---|---|
| Texas | 91 | 2,000,000 |
| California | 42 | 255,715 |
| Louisiana | 28 | 125,484 |
| Washington | 27 | 320,000 |
| Missouri | 18 | 258,000 |
| Michigan | 16 | 700,000 |
| Oregon | 13 | 300,187 |
| Pennsylvania | 12 | 252,740 |
| Kansas | 12 | 258,000 |
| Arkansas | 11 | 125,484 |
| Wisconsin | 11 | 233,000 |
| Nevada | 9 | 1,300,000 |
2021 reports by grid region
| Region | Reports | States | Customers listed |
|---|---|---|---|
| WECC | 93 | 10 | 6,689,376 |
| TRE | 81 | 6 | 6,867,034 |
| SERC | 75 | 16 | 957,753 |
| RF | 48 | 15 | 2,648,871 |
| MRO | 46 | 12 | 1,872,345 |
| NPCC | 26 | 7 | 493,479 |
| RF/SERC | 5 | 8 | 652,761 |
| MRO/SERC | 5 | 3 | 432,000 |
Customer totals add filings as made, so one outage filed twice counts twice. NERC regions are the reliability areas DOE lists on each 2021 report.
Busiest days of 2021
| Day | Reports | States | Top type |
|---|---|---|---|
| 15 Feb 2021 | 34 | 10 | Severe Weather |
| 16 Feb 2021 | 24 | 15 | Severe Weather |
| 14 Feb 2021 | 8 | 9 | Severe Weather |
| 15 Dec 2021 | 8 | 6 | Severe Weather |
| 17 Feb 2021 | 7 | 5 | Severe Weather |
| 29 Aug 2021 | 7 | 2 | Severe Weather |
| 10 Jul 2021 | 5 | 3 | Severe Weather |
| 18 Oct 2021 | 5 | 4 | Suspicious Activity |
What 2021 reports were about
| Cause | Reports | Share |
|---|---|---|
| Severe weather and natural disasters | 156 | 40% |
| Equipment failures and system operations | 121 | 31% |
| Physical attacks, vandalism and suspicious activity | 92 | 24% |
| Fuel supply problems | 11 | 3% |
| Cyber events | 7 | 2% |
Years next to 2021
Sources
DOE OE-417 files hold 387 reports for 2021; snapshot 9 Dec 2024, method.
Questions
How many OE-417 reports were filed in 2021?
387 reports in the DOE file began in 2021, against 383 in 2020.
Which day of 2021 had the most outage reports?
15 Feb 2021, with 34 reports. The next busiest was 16 Feb 2021 (24).
What was the biggest outage report of 2021?
2,000,000 customers, in a report that began 10 Feb 2021 (Texas).