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April 2012 Generation Resource Energy and Regulation Deployment Performance

April 2012 Generation Resource Energy and Regulation Deployment Performance. QMWG 5/4/2012. NON-IRR GREDP – Energy Deployments. Resources below 85% threshold. IRR GREDP. Resources below 95% threshold. March IRR Failures. March IRR Failures (continued). GREDP Scenario Analysis.

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April 2012 Generation Resource Energy and Regulation Deployment Performance

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  1. April 2012 Generation Resource Energy and Regulation Deployment Performance QMWG 5/4/2012

  2. NON-IRR GREDP – Energy Deployments Resources below 85% threshold

  3. IRR GREDP Resources below 95% threshold

  4. March IRR Failures

  5. March IRR Failures (continued)

  6. GREDP Scenario Analysis * April performance of frequency excluded intervals for NON-IRRs was 98.9% (73,983/74,891). The Std Dev was 3.2 MWs. * April performance of frequency excluded intervals for IRRs was 90.7% (2,042/2,251). The Std Dev was 6.2 MWs.

  7. Manual HDL/LDL Override Summary QMWG

  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 • There was 1 unique override in April • As compared to 27 in March and 21 in February • The 1 override was related to issues with continuous SPS activation

  9. Daily Summary Table

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