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September 2011 Generation Resource Energy and Regulation Deployment Performance

September 2011 Generation Resource Energy and Regulation Deployment Performance. QMWG 10/11/2011. Month-to-Month NON-IRR GREDP – Energy Deployments. Resources below 85% threshold - No conventional resources scored below 85% for September. Month-to-Month NON-IRR GREDP – Regulation Deployments.

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September 2011 Generation Resource Energy and Regulation Deployment Performance

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  1. September 2011 Generation Resource Energy and Regulation Deployment Performance QMWG 10/11/2011

  2. Month-to-Month NON-IRR GREDP – Energy Deployments Resources below 85% threshold - No conventional resources scored below 85% for September.

  3. Month-to-Month NON-IRR GREDP – Regulation Deployments • Resource below 85% threshold • Resource 1 and 2 scored less than 85% for the first time.

  4. Month-to-Month IRR GREDP • Resources below 95% threshold • 27 failures • < 10 intervals – 8 IRRs • > 10 <= 100 intervals – 9 IRRs • > 100 intervals – 10 IRRs • Weighted Average GREDP – 87.17% • Average Deviation – 9.83 MWs

  5. IRR Total Intervals Scored – Month-to-Month

  6. GREDP Scenario Analysis

  7. Manual HDL/LDL Override Summary QMWG 10/11/2011

  8. Daily Summary Graph • For this analysis, we captured unique HDL/LDL overrides • An override is considered unique if that same Resource did not have an override within the last 10 minutes

  9. Daily Summary Table • There were 13 total unique overrides in August • As compared to 20 in July and 3 in August • All 13 were outage related • There were 3 separate outages requiring HDL overrides, 1 on each of the 3 days during which there were overrides • Number of overrides decreases if JOUs portions considered as a single Resource

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