December 2012 Generation Resource Energy and Regulation Deployment Performance
May 2012 Generation Resource Energy and Regulation Deployment Performance
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Transcript of May 2012 Generation Resource Energy and Regulation Deployment Performance
QMWG 6/8/2012
May 2012 Generation Resource Energy and Regulation Deployment Performance
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NON-IRR GREDP – Energy Deployments
Resources below 85% threshold
QSE Name Resource Name Fuel Type Total Intervals Passed
Total Intervals Scored
Std Dev(GREDP MW)
GREDP Monthly Score
<QSE1> <RESOURCE NAME>
SCLE90 46 58 5.73 79.31
<QSE2> <RESOURCE NAME>
SCLE90 15 18 8.03 83.33
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IRR GREDP
Resources below 95% thresholdMar-12 Apr-12 May-12
< 10 Intervals 13 19 9>=10<100 Intervals 16 4 7>=100<500 Intervals 4 9 4>=500 Intervals 10 11 11Weighted Averaged GREDP * 92.8% 91.2% 91.9%Weighted Average Deviation * 5.6MWs 5.4MWs 6.6MWsTotal Intervals 30,532 22,073 19,286* Includes all WGRs (not just failures)
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March IRR Failures
QSE Name Resource Name Total Intervals Passed
Total Intervals Scored
Std Dev (ATG-Exp MW)
GREDP Monthly Score
<QSE NAME> <RESOURCE NAME> 990 1,114 22.24 88.87
<QSE NAME> <RESOURCE NAME> 725 1,021 10.41 71.01
<QSE NAME> <RESOURCE NAME> 789 894 6.9 88.26
<QSE NAME> <RESOURCE NAME> 749 852 6.85 87.91
<QSE NAME> <RESOURCE NAME> 740 788 5.86 93.91
<QSE NAME> <RESOURCE NAME> 658 740 2.42 88.92
<QSE NAME> <RESOURCE NAME> 690 735 6.14 93.88
<QSE NAME> <RESOURCE NAME> 683 723 2.14 94.47
<QSE NAME> <RESOURCE NAME> 646 692 1.91 93.35
<QSE NAME> <RESOURCE NAME> 605 679 0.89 89.1
<QSE NAME> <RESOURCE NAME> 610 676 0.83 90.24
<QSE NAME> <RESOURCE NAME> 277 375 6.18 73.87
<QSE NAME> <RESOURCE NAME> 184 267 18.62 68.91
<QSE NAME> <RESOURCE NAME> 85 167 12.98 50.9
<QSE NAME> <RESOURCE NAME> 126 163 17.72 77.3
<QSE NAME> <RESOURCE NAME> 32 45 2.1 71.11
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March IRR Failures (continued)
QSE Name Resource Name Total Intervals Passed
Total Intervals Scored
Std Dev (ATG-Exp MW)
GREDP Monthly Score
<QSE NAME> <RESOURCE NAME> 33 40 4.57 82.5
<QSE NAME> <RESOURCE NAME> 28 31 3.33 90.32
<QSE NAME> <RESOURCE NAME> 14 23 6.01 60.87
<QSE NAME> <RESOURCE NAME> 17 20 8 85
<QSE NAME> <RESOURCE NAME> 18 20 7.16 90
<QSE NAME> <RESOURCE NAME> 9 12 8.92 75
<QSE NAME> <RESOURCE NAME> 2 7 1.8 28.57
<QSE NAME> <RESOURCE NAME> 3 4 15.54 75
<QSE NAME> <RESOURCE NAME> 1 3 7.84 33.33
<QSE NAME> <RESOURCE NAME> 0 2 1.16 0
<QSE NAME> <RESOURCE NAME> 1 2 6.04 50
<QSE NAME> <RESOURCE NAME> 1 2 6.94 50
<QSE NAME> <RESOURCE NAME> 0 2 2.41 0
<QSE NAME> <RESOURCE NAME> 0 1 0
<QSE NAME> <RESOURCE NAME> 0 1
0
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GREDP Scenario Analysis
NON-IRRs >= 85% < 85% % Passing 5 MW 257 65 79.81%10 MW 300 12 96.15%5 MW - 5% 312 10 96.89%15 MW 321 1 99.69%8MW - 8% (Current) 320 2 99.38%Exclusions - No Freq Dev 319 3 99.07%
IRRs >= 95% < 95% % Passing 10% - 1 MW when BP = 0 (Current)
24 31 43.64%
5 MW - 5% - low side - 95% 18 37 32.73%8 MW - 8% - low side - 95% 21 34 38.18%8 MW - 8% - low side - 85% 32 23 58.18%Exclusions - No Freq Dev 23 32 41.82%
Manual HDL/LDL Override Summary
QMWG
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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
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Daily Summary Table
DateTotal Number of
OverridesNumber of Resources
with an OverrideNumber of Unique HDL/LDL Overrides
May 1, 2012 89 1 2May 2, 2012 0 0 0May 3, 2012 0 0 0May 4, 2012 0 0 0May 5, 2012 0 0 0May 6, 2012 0 0 0May 7, 2012 0 0 0May 8, 2012 0 0 0May 9, 2012 0 0 0
May 10, 2012 0 0 0May 11, 2012 0 0 0May 12, 2012 0 0 0May 13, 2012 0 0 0May 14, 2012 0 0 0May 15, 2012 0 0 0May 16, 2012 63 3 3May 17, 2012 0 0 0May 18, 2012 0 0 0May 19, 2012 0 0 0May 20, 2012 0 0 0May 21, 2012 0 0 0May 22, 2012 0 0 0May 23, 2012 0 0 0May 24, 2012 0 0 0May 25, 2012 0 0 0May 26, 2012 0 0 0May 27, 2012 0 0 0May 28, 2012 0 0 0May 29, 2012 0 0 0May 30, 2012 109 3 3May 31, 2012 0 0 0
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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