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Analyzing energy resource deployments below specified threshold values, examining manual HDL/LDL overrides, and evaluating SCED executions for improved energy regulation. Includes summary of unique overrides and constraints affecting performance.
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May 2012 Generation Resource Energy and Regulation Deployment Performance QMWG 6/8/2012
NON-IRR GREDP – Energy Deployments Resources below 85% threshold
IRR GREDP Resources below 95% threshold
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 8 total unique overrides in May • As compared to 1 in April and 27 in March
Reasons for Manual HDL/LDL Overrides • Outages required overrides as a result of local voltage issues • Also had voltage issues resulting from a severe storm • The following constraint had SCED executions counted towards irresolvability: • XMOS58 : ODNTH_FMR1 • This constraint has not met the criteria for resetting the shadow price cap