Equipment failures and system operations in DOE outage reports
25% of the 2,419 reports on file are equipment and system operations filings. The group peaked in 2021 at 118, and Texas files the most (80). 142 of the 603 list customers, 53 of them 50,000 or more.
Equipment failures and system operations: reports by year
The 603 reports break down as 151 in 2014 to 2018 and 452 in 2019 to 2023, a rise of 199%.
equipment and system operations reports a year
- 17'14
- 28'15
- 34'16
- 18'17
- 54'18
- 92'19
- 113'20
- 118'21
- 83'22
- 46'23
Where equipment and system operations reports are filed
| State | Reports | Of its total | Per million |
|---|---|---|---|
| Texas | 80 | 24% | 2.7 |
| California | 73 | 23% | 1.9 |
| Washington | 39 | 23% | 5.0 |
| Louisiana | 29 | 31% | 6.3 |
| Maine | 29 | 35% | 21.1 |
| Ohio | 23 | 35% | 2.0 |
| Michigan | 22 | 20% | 2.2 |
| Oregon | 19 | 22% | 4.5 |
| Florida | 19 | 26% | 0.9 |
| New York | 18 | 20% | 0.9 |
| Pennsylvania | 18 | 23% | 1.4 |
| Minnesota | 18 | 41% | 3.2 |
Largest customer counts in this group
Among reports that name a single state, the top 10 for equipment and system operations.
| Customers | State | Year | Hours |
|---|---|---|---|
| 1,475,000 | Puerto Rico | 2016 | 2.5 days |
| 1,300,000 | Nevada | 2021 | 3.0 h |
| 1,300,000 | Nevada | 2021 | 3.0 h |
| 1,300,000 | Nevada | 2021 | 3.0 h |
| 420,000 | Mississippi | 2018 | 7.8 h |
| 420,000 | Mississippi | 2018 | 4.8 h |
| 420,000 | Mississippi | 2018 | 3.0 h |
| 400,000 | Puerto Rico | 2016 | 1.0 h |
| 300,000 | Puerto Rico | 2015 | 3.7 h |
| 266,000 | Puerto Rico | 2016 | 4.8 h |
What DOE calls these events
17 different DOE labels sit in the equipment and system operations group.
| Type | Reports | Of group |
|---|---|---|
| System Operations | 376 | 62% |
| Transmission Interruption | 163 | 27% |
| Generation Inadequacy | 14 | 2% |
| Electrical System Separation (Islanding) | 10 | 2% |
| Generator loss or failure | 9 | 1% |
| Islanding | 7 | 1% |
| Distribution Interruption | 5 | 1% |
| Transmission equipment failure | 5 | 1% |
| Electrical System Islanding | 4 | 1% |
| Transmission Disruption | 2 | 0% |
| Failure at high voltage substation or switchyard | 2 | 0% |
| Uncontrolled Loss of 300 Megawatts | 1 | 0% |
This group against all reports
| Year | Group | All | Share |
|---|---|---|---|
| 2014 | 17 | 206 | 8% |
| 2015 | 28 | 140 | 20% |
| 2016 | 34 | 140 | 24% |
| 2017 | 18 | 149 | 12% |
| 2018 | 54 | 218 | 25% |
| 2019 | 92 | 271 | 34% |
| 2020 | 113 | 373 | 30% |
| 2021 | 118 | 364 | 32% |
| 2022 | 83 | 246 | 34% |
| 2023 | 46 | 312 | 15% |
Download 2,419 reports as CSV; filter cause_group to equipment and system operations
Other groups
Sources
DOE OE-417 files hold 603 equipment and system operations reports; snapshot 9 Dec 2024. The equipment and system operations grouping is ours: method.
Questions
How many equipment and system operations reports are in the OE-417 files?
603 of 2,419 from 2014 to 2023, 25%.
Which state files the most equipment and system operations reports?
Texas with 80, then California (73) and Washington (39).
Is the number of equipment and system operations reports rising?
603 reports in all: 151 in 2014 to 2018 and 452 in 2019 to 2023, a rise of 199%; filing habits shifted over the years.