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FG with >12 Consecutive Intervals Violating

FG with >12 Consecutive Intervals Violating. 2 nd Quarter VRL Report 2012. Gentry Tubbs gtubbs@spp.org. TEMP38_17974. Violation Intervals: 4/2/2012 11:40– 4/2/2012 13:20 Cause of Violation :

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FG with >12 Consecutive Intervals Violating

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  1. FG with >12 Consecutive Intervals Violating 2nd Quarter VRL Report 2012 Gentry Tubbs gtubbs@spp.org

  2. TEMP38_17974 • Violation Intervals: 4/2/2012 11:40– 4/2/2012 13:20 • Cause of Violation : Loading was caused by an outage south of Kansas City. The outage lasted from 4/2/2012 – 4/20/2012. • Monitored Element:  PLTCTY – KCI 161kV     LN 11017 • Contingent Element: ST_JOE – HAWTHORN 345KV LN HAWTHO_ST_JOE1

  3. KSGHALWICREN • Violation Intervals: 4/2/2012 12:35 - 4/2/2012 14:05 • Cause of Violation: Loading was cause by an outage in the Oklahoma-Kansas area. The outage was Monday 4/2/2012 at 08:24 am during high South North flow on system.

  4. LAKALASTJHAW • Violation Intervals: 4/2/2012 13:35 – 4/2/2012 14:35 • Cause of Violation: Loading was caused by an outage south of Kansas City. The outage lasted from 4/2/2012 – 4/20/2012.

  5. TEMP03_17735 • Violation Intervals: 4/26/2012 17:45 – 4/26/2012 19:00 • Monitored Element: Flat Ridge - Harper 138kV Contingent Element: Spearville - Mullegren 230kV • Cause of Violation: Wind volatility                 

  6. SSHWALDOLXFR • Violation Intervals: 4/30/2012 12:20 – 4/30/2012 13:55 • Cause of Violations: Units off dispatch    

  7. TEMP15_18082 • Violation Intervals: 5/7/2012 6:45 – 5/7/2012 7:50 • Monitored Element: GRDA17 - Tonnece 345kV Contingent Element: Chambers - Clarksville 345kV • Cause of Violations: Loading was caused by a difference in ratings. The ratings were corrected and this issue went away.

  8. OKMHENOKMKEL • Violation Intervals: 5/21/2012 14:05 – 5/21/2012 15:30 • Causes of Violations: Loading was caused by generator outages south of the flowgate. One large unit tripped unexpectedly as well as other planned outages.

  9. TEMP66_18169 • Violation Intervals: 5/29/2012 14:00 – 5/29/2012 15:00 • Monitored Element: Brookline XFMR 345/161kV #2 Contingent Element: Morgan – Huben 345kV • Cause of Violations: Loading was caused by an outage in the area.

  10. TEMP13_18068 • Violation Intervals: 5/30/2012 9:15 – 5/30/2012 10:15 • Monitored Element: AES5 - TARBY1 161KV LN:9127 Contingent Element: AES5 - BONTP 161KV LN:AES5___BONTP_1 • Cause of Violations: Nearby resource changed from Self Scheduled to Available and was dispatched down by the Market, clearing the violation.

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