Major outage reports in 2015
143outage and grid-emergency reports filed with DOE for 2015
In 2015, 143 reports began; 71 fewer than 2014, when 214 began. June 2015 was the busiest month (19). The busiest day was 23 Jun 2015, with 6 reports across 8 states. Severe weather and natural disasters lead 2015 at 46%; 75 of the 2015 reports list customers and 58 list 50,000 or more.
2015 by month
2015 reports by start month
- 5Jan
- 18Feb
- 8Mar
- 11Apr
- 10May
- 19Jun
- 18Jul
- 11Aug
- 4Sep
- 9Oct
- 12Nov
- 18Dec
Which states filed most in 2015
| State | Reports | Top count |
|---|---|---|
| California | 25 | 80,000 |
| Texas | 21 | 454,000 |
| Washington | 12 | 500,000 |
| Tennessee | 10 | 67,189 |
| North Carolina | 8 | 124,000 |
| Utah | 6 | 5,763 |
| Michigan | 6 | 168,000 |
| Puerto Rico | 6 | 300,000 |
| Oklahoma | 6 | 116,800 |
| Kentucky | 5 | 68,339 |
| Missouri | 5 | 67,189 |
| Oregon | 5 | 71,000 |
2015 reports by grid region
| Region | Reports | States | Customers listed |
|---|---|---|---|
| WECC | 56 | 10 | 1,838,618 |
| SERC | 25 | 12 | 1,040,485 |
| RFC | 18 | 10 | 1,536,050 |
| SPP | 15 | 5 | 626,078 |
| TRE | 14 | 1 | 1,272,234 |
| NPCC | 8 | 9 | 319,918 |
| not listed | 5 | 1 | 386,559 |
| MRO | 2 | 1 | 255,941 |
Customer totals add filings as made, so one outage filed twice counts twice. NERC regions are the reliability areas DOE lists on each 2015 report.
Busiest days of 2015
| Day | Reports | States | Top type |
|---|---|---|---|
| 23 Jun 2015 | 6 | 8 | Severe Weather |
| 25 May 2015 | 4 | 3 | Severe Weather |
| 10 Dec 2015 | 4 | 2 | Severe Weather |
| 17 Feb 2015 | 3 | 3 | Severe Weather - Winter |
| 18 Jul 2015 | 3 | 2 | Severe Weather |
| 3 Aug 2015 | 3 | 4 | Severe Weather |
| 29 Aug 2015 | 3 | 1 | Severe Weather |
| 13 Oct 2015 | 3 | 3 | Other |
What 2015 reports were about
| Cause | Reports | Share |
|---|---|---|
| Severe weather and natural disasters | 66 | 46% |
| Physical attacks, vandalism and suspicious activity | 42 | 29% |
| Equipment failures and system operations | 29 | 20% |
| Other or not stated | 6 | 4% |
Years next to 2015
Sources
DOE OE-417 files hold 143 reports for 2015; snapshot 9 Dec 2024, method.
Questions
How many OE-417 reports were filed in 2015?
143 reports in the DOE file began in 2015, against 214 in 2014.
Which day of 2015 had the most outage reports?
23 Jun 2015, with 6 reports. The next busiest was 25 May 2015 (4).
What was the biggest outage report of 2015?
500,000 customers, in a report that began 29 Aug 2015 (Washington).