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February 2012 Generation Resource Energy and Regulation Deployment Performance

February 2012 Generation Resource Energy and Regulation Deployment Performance. QMWG 3/2/2012. NON-IRR GREDP – Energy Deployments. Resources below 85% threshold. * Resource was testing and used a resource status that caused it to be scored for GREDP. NON-IRR GREDP – Energy Deployments.

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February 2012 Generation Resource Energy and Regulation Deployment Performance

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  1. February 2012 Generation Resource Energy and Regulation Deployment Performance QMWG 3/2/2012

  2. NON-IRR GREDP – Energy Deployments Resources below 85% threshold * Resource was testing and used a resource status that caused it to be scored for GREDP

  3. NON-IRR GREDP – Energy Deployments Bottom intervals by score Bottom intervals by error

  4. NON-IRR GREDP – Regulation Deployments Bottom 10 Resources during Regulation intervals Bottom intervals by score Bottom intervals by error

  5. IRR GREDP Resources below 95% threshold Bottom intervals by score Bottom intervals by error

  6. IRR Failures

  7. GREDP Scenario Analysis * January performance of frequency excluded intervals for NON-IRRs was 99% (74406 passed/75123 scored). The Std Dev was 2.98 MWs. * January performance of frequency excluded intervals for IRRs was 91.4% (2184 passed/2389 scored). The Std Dev was 5.3 MWs.

  8. Manual HDL/LDL Override Summary QMWG

  9. 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 were 21 total unique overrides in February • As compared to 13 in January and 13 in December

  10. Daily Summary Table

  11. Reasons for Manual HDL/LDL Overrides • An override is considered unique if that same Resource did not have an override within the last 10 minutes • The “Other” reason given was QSE requested testing • Congestion concerns were a result of inaccurate Resource telemetry

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