SCED 5361_Thematic Unit Culture, Identity, and Bi-racial Relationships
SCED Constraint Competitiveness Test ( CCT) Update Review of (10/1/2013 to 11/30/2013)
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SCED SCED Constraint Competitiveness Test Constraint Competitiveness Test (CCT) Update (CCT) Update Review of (10/1/2013 to Review of (10/1/2013 to 11/30/2013) 11/30/2013) Market Analysis ERCOT
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SCED Constraint Competitiveness Test ( CCT) Update Review of (10/1/2013 to 11/30/2013). Market Analysis ERCOT. Background of NPRR 520 (SCED CCT). Why Change? SCED over-mitigation issues What Changed? No Monthly and Daily Constraint Competitiveness Test (CCT) - PowerPoint PPT Presentation
Transcript of SCED Constraint Competitiveness Test ( CCT) Update Review of (10/1/2013 to 11/30/2013)
SCED SCED Constraint Competitiveness Test (CCT) Constraint Competitiveness Test (CCT)
Update Update
Review of (10/1/2013 to 11/30/2013)Review of (10/1/2013 to 11/30/2013)
Market AnalysisERCOT
Background of NPRR 520 (SCED CCT)
Why Change?Why Change? SCED over-mitigation issues
What Changed?What Changed? No Monthly and Daily Constraint Competitiveness Test (CCT) SCED CCT runs every 5 minutes (or whenever SCED is
executed) Less set of Resources get mitigated Minimizing unnecessary Base Point oscillations/QSGR dispatch
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System Lambda Increase (10/1-11/30)
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Mitigation Ratio
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Increased Peaker Net Margin (PNM)
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Pivotal Players For Each Active Constraint (10/1-11/30)
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Pivotal Players For Each Active Constraint (10/1-11/30) (continued)
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Top 10 Non-Competitive Constraints Based on Frequency (10/1-11/30)
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Constraints with Both Competitiveness Status (10/1-11/30)
CONTINGENCY_NAMECONTINGENCY_NAME CONSTR_NAMECONSTR_NAME FROM_STATIONFROM_STATION TO_STATIONTO_STATION FROM_STA_KVFROM_STA_KV TO_STA_KVTO_STA_KV Competitive_FreqCompetitive_Freq NonCompetitive_FreqNonCompetitive_Freq
UST2STP1 BLESSI_LOLITA1_1 LOLITA BLESSING 138 138 46 55SNEDLON5 MV_YUT_RAYMND1_1 RAYMND2 MV_YUTT 138 138 8 1SNEDLON5 LASPUL_RAYMND1_1 LASPULGA RAYMND2 138 138 779 265
SHOLHLJ5 155T217_1 BELLSO PT 138 138 15 22SGIBSNG5 SNGXGC99_1 GIBCRK SNG 345 345 23 38
SBOSWHT8 OLKW_BOS_1 BOSQUESW LKWHITNY 138 138 87 590SBOSELM5 1030__B BOSQUESW RGH 138 138 234 107DZORHAY5 KENDAL_AT4L KENDAL KENDAL 1 138 397 82
DZORHAY5 75T243_1 KENDAL COMFOR 138 138 10 237
DTB_SNG5 SNGZEN99_A SNG ZEN 345 345 5 226
DSNGZEN5 SNGTB_74_A SNG TB 345 345 594 1458DSALKLN5 610__B TMPSW TMPSE 138 138 49 357
DMARZOR5 428T428_1 SEGUIN SEGUWE 138 138 141 226
DJEWSNG5 JK_TOKSW_1 TOKSW JK_CK 345 345 215 289DGIBSNG5 260_A_1 JEWET SNG 345 345 44 489DGIBSNG5 240__A JEWET SNG 345 345 51 38
DBOEHA58 74T148_1 COMFOR CICO 138 138 59 240
DAUSLOS5 CKT_3122_1 FPPYD2 HOLMAN 345 345 25 2BASE CASE MATA_WEC1_1 MATA WEC 69 69 5 2
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Summary of Impact of NPRR 520
Prior to Implementation of
NPRR 520
After Implementation of NPRR 520
Jul-13 Aug-13 Sep-13 Oct-13 Nov-13
ECI Methodology sf*HSL sf*sf*HSL sf*sf*HSL sf*sf*HSL sf*sf*HSL sf*sf*HSL
ECI Threshold on The Export Side
3,000 N/A N/A N/A N/A N/A
ECI Threshold on The Import Side
2,500 2,300 2,300 2,300 2,300 2,300
Percentage of Mitigated Resources for Each SCED Interval
100% 4.80% 3.08% 5.73% 4.08% 2.42%
Average System Lambda Increase ($/MWh)
N/A 0.20 0.25 1.37 1.57 1.19
Cumulative PNM Increase ($/MW)
N/A 80.63 180.75 979.48 1,169.32 850.7
Total Number of Non-competitive Constraints
100% 95.00% 96.60% 88.20% 90.95% 85.64%
Non-competitive Constraints
ECI >= 2300 N/A N/A 95.6% 88.3% 73.05% 84.08%Pivotal Players Exist N/A N/A 31.1% 34.5% 21.39% 3.49%
No SF <= -0.02 N/A N/A 1.1% 1.9% 10.76% 3.28%
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Thanks!Thanks!
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