| Start |
Constraint |
Reason |
| 00:15 |
OOME Horse Hollow down |
Loss of San Angelo Red Creek 345/138kV autotransformer #2 overloads San Angelo Red Creed 345/138kV autotransformer #1 - 108% of 280 MVA rating. |
| 00:15 |
OOME Capricorn Ridge down |
Base case overload on Menard autotransformer - 104% of 42 MVA rating. |
| 00:15 |
OOME Callahan down |
Base case overload on Menard autotransformer - 104% of 42 MVA rating. |
| 00:15 |
OOME Buffalo Gap down |
Loss of San Angelo Red Creek 345/138kV autotransformer #2 overloads San Angelo Red Creed 345/138kV autotransformer #1 - 108% of 280 MVA rating. |
| 01:00 |
OOMC/OOME Ferguson |
Loss of Menard - Gillespie 138kV overloads Menard 138/69kV autotransformer #1 - 108% of 46 MVA rating. |
| 10:00 |
OOMC Colorado Bend |
Loss of STP - Blessing 345kV overloads Columbus - Stafford 69kV - 107% of 38 MVA rating. |
| 11:00 |
North - South OC1 |
North - South limit 647, actual 465 - 72%. Loss of Temple Pecan Creek - Tradinghouse and Temple Switch - Lake Creek 345kV overloads Brownwood Switch - Goldthwaite 138kV - 107% of 143 MVA rating. |
| 11:15 |
North - Houston OC1 |
North - Houston limit 2985, actual 2985 - 100%. Loss of King - Kuykendahl - Roans Prairie and Jewett - Tomball 345kV overloads Gibbons Creek - Obrien 345kV - 101% of 1487 MVA rating. |
| 12:30 |
OOME Stryker up |
Loss of Elkton - Tricorner & Martin Lake 345kV overloads Tyler Northeast - Delek POI 138kV - 105% of 248 MVA rating. |
| 13:00 |
Fleet up in Houston Zone |
North - Houston limit 3163, actual 3558 - 112%. Loss of King - Kuykendahl - Roans Prairie and Jewett - Tomball 345kV overloads Gibbons Creek - Obrien 345kV - 115% of 1470 MVA rating. |
| 14:15 |
OOME Laredo up |
Laredo Import limit 350, actual 330 - 94% |
| 19:15 |
OOME Monticello down |
Monticello SES - Allen Switch & Sulphur Springs Switch 345kV overloads Farmerville TU - Royse Switch 345kV - 126% of 1072 MVA. |