| Start |
Constraint |
Reason |
| 07:00 |
OOMC/OOME Laredo on and up. |
Laredo import limit 350 MW, actual 273 MW - 73%. |
| 11:15 |
OOME Decker up |
Loss of Austrop 345/138kV autotransformer #2 overloads Austrop 345/138kV autotransformer #1 - 103% of 480 MVA rating. |
| 12:30 |
Trinidad - Stryker Creek - Mount Enterprise OC3 |
Loss of Trinidad - Stryker Creek - Mount Enterprise 345kV overloads Southeast Nacogdoches 345/138kV autotransformer - 104% of 512 MVA rating. |
| 13:00 |
OOME Gideon up |
Loss of Austrop 345/138kV autotransformer #2 overloads Austrop 345/138kV autotransformer #1 - 102% of 480 MVA rating. |
| 13:00 |
Odessa EHV Transformer OC3 |
Loss of Odessa EHV 345/138kV autotransformer #2 overloads Odessa EHV 345/138kV autotransformer #1 - 105% of 520 MVA rating. |
| 14:45 |
OOME Ferguson up |
Loss of Menard - Gillespie 138kV overloads Menard 138/69kV autotransformer #1 - 104% of 46 MVA rating. |
| 15:30 |
Elgin Switch - Sandow Switch OC3 |
Loss of Elgin Switch - Sandow Switch 138kV overloads Sandow Switch - Salty11 138kV - 106% of 223 MVA rating. |
| 16:00 |
OOMC/OOME PB2SES on and up |
Loss of Odessa EHV 345/138kV autotransformer #2 overloads Odessa EHV 345/138kV autotransformer #1 - 104% of 520 MVA rating. |
| 16:00 |
OOMC/OOME Decker GT on and up |
Loss of Sandow Switch - Elgin Switch 138KV overloads Sandow Switch - Salty 138KV - 106% of 223 MVA rating. |
| 16:15 |
North - South OC1 |
Loss of Temple Pecan Creek - Tradinghouse SES and Temple Switch - Lake Creek SES 345kV overloads Goldthwaite - Brownwood Switch 138kV - 118% of 129 MVA rating. North - South limit 530, actual 604 - 114%. |
| 17:00 |
Marion - Hill Country and Skyline OC3 |
Loss of Marion - Hill Country and Skyline 345kV overloads Marion - Elm Creek 345kV - 104% of 717 MVA rating. |
| 17:15 |
San Angelo Red Creek 345/138kV autotransformer #2 OC3 |
Loss of San Angelo Red Creek 345/138kV autotransformer #2 overloads San Angelo Red Creed 345/138kV autotransformer #1 - 110% of 280 MVA rating. |
| 17:30 |
OOME Buffalo Gap down |
Loss of San Angelo Red Creek 345/138kV autotransformer #2 overloads San Angelo Red Creed 345/138kV autotransformer #1 - 110% of 280 MVA rating. |
| 17:45 |
North - South OC1 |
Loss of Lake Creek SES - Temple Switch 345kV overloads Tradinghouse SES - Temple Pecan Creek 345kV - 105% of 985 MVA rating. North - South limit 530, actual 556 - 101%. |
| 18:15 |
OOME Horse Hollow down |
Loss of San Angelo Red Creek 345/138kV autotransformer #2 overloads San Angelo Red Creed 345/138kV autotransformer #1 - 110% of 280 MVA rating. |
| 21:15 |
Marion - Zorn and and Clear Springs OC3 |
Loss of Marion - Zorn and Clear Springs 345kV overloads Seguin - Seguin West 138kV - 109% of 220 MVA rating. |
| 22:15 |
OOME Capricorn Ridge down |
Base case overload on Menard autotransformer - 104% of 42 MVA rating. |
| 22:15 |
OOME Callahan down |
Base case overload on Menard autotransformer - 104% of 42 MVA rating. |
