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Analysis of Patton Reforms and Reserve Criteria in NEPOOL Markets (Summer 2002)

This report provides an overview of the operational review by ISO-New England, focusing on the Patton Reforms and reserve criteria. Key discussions revolve around the analysis of peaker and external transactions, along with a detailed examination of reserve requirements and generation dispatch patterns between June 26 and July 9, 2002. The document presents various data summaries, including demand, net interchange, and installed capacity differences, to highlight the dynamic changes and challenges faced during this period.

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Analysis of Patton Reforms and Reserve Criteria in NEPOOL Markets (Summer 2002)

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  1. Summer 2002Patton Reforms Jim Milligan NEPOOL Markets Committee July 23, 2002 jmilligan@iso-ne.com

  2. Overview • Discussion to focus on Patton Reforms and Reserve Criteria • ISO had begun operational review • Additional request from Participant to focus on reserves and specific days • Review of June 26, 27 and July 1, 2, 3, 9 • Review patterned after Patton Report of 2001

  3. Overview • Information Presented • Summary of Peaker/External Transactions Setting RTMP • Summary data for 3 SPD executions for each of 6 days analyzed • Details of one specific SPD execution for each day • Prices, requirements • Generation dispatch including resources above RTMP • Graph of surplus 10 minute spinning and surplus operating reserve for each day (label states 10 minute reserves- error) • Supply curve for hour in which SPD execution summarized

  4. Overview • Installed Capacity Differences (2001 vs. 2002) • 6/26 25,366 26,971 • 6/27 25,366 26,971 • 7/1 25,327 26,960 • 7/2 25,327 26,607 • 7/3 25,321 26,607 • 7/9 25,321 26,607

  5. Overview • NOTE: The data collected for this summary is from a variety of sources and there may be inconsistencies in the comparisons of instantaneous data vs. hourly data • NOTE: Detailed SPD execution analysis may not include all generation in all categories (i.e., DDP=LOL)

  6. # RTMP Set by Peaker/ET

  7. % RTMP By Category

  8. 6/26/02 Analysis 6/26 Hour Ending 16 Analysis ECP $125.63 TMSR $54.08 TMNSR $54.08 TMOR $54.06 Demand 22,405 Net Intchg -1833 12/12 RTMP Set by Peaker/ET

  9. 6/26/02 (cont.) 6/26 SPD Execution 15:29 RTMP $144.63 Set by Peaker TMSR $86.95 340/340 TMNSR $86.95 723/723 TMOR $86.74 1160/633 Demand 22,403 Net Intchg -1,833 Sum DDPs 20,571

  10. 6/26/02 (cont.) Generation 20424 Self-Scheduled 12049 Gen Above RTMP 711 Non-dispatchable 50 DDP=LOL 661 Self-Scheduled 635 Flag Transmission 26

  11. June 26, 2002 - Difference of Reserves Less Requirement

  12. 6/27/02 Analysis 6/27 Hour Ending 17 Analysis ECP $86.93 TMSR $19.28 TMNSR $19.23 TMOR $19.23 Demand 23,041 Net Intchg -1279 10/12 RTMP Set by Peaker/ET

  13. 6/27/02 (cont.) 6/27 SPD Execution 16:24 RTMP $109.01 Set by Peaker TMSR $42.79 378/378 TMNSR $42.79 634/634 TMOR $42.79 1162/676 Demand 23,138 Net Intchg -1,279 Sum DDPs 21,860

  14. 6/27/02 (cont.) Generation 21679 Self-Scheduled 13714 Gen Above RTMP 1617 Self-scheduled 868 DDP=LOL 744 Self-Scheduled 253 Flag Transmission 400

  15. June 27, 2002 - Difference of Reserves Less Requirement

  16. 7/1/02 Analysis 7/1 Hour Ending 17 Analysis ECP $48.29 TMSR $6.44 TMNSR $5.28 TMOR $5.28 Demand 22,121 Net Intchg -2783 12/12 RTMP Set by Peaker/ET

  17. 7/1/02 (cont.) 7/1 SPD Execution 16:49 RTMP $48.29 Set by peaker TMSR $5.33 830/830 TMNSR $5.33 882/882 TMOR $5.33 1162/1162 Demand 22,044 Net Intchg -2,783 Sum DDPs 19,262

  18. 7/1/02 (cont.) Generation 19262 Self-Scheduled 13099 Gen Above RTMP 2312 Self-Scheduled 703 Ramping 309 DDP=LOL 1299 Self-Scheduled 446 Flag Transmission 852

  19. July 1, 2002 - Difference of Reserves Less Requirement

  20. 7/2/02 Analysis 7/2 Hour Ending 15 Analysis ECP $62.49 TMSR $10.36 TMNSR $10.36 TMOR $10.36 Demand 24,011 Net Intchg -2262 0/12 RTMP Set by Peaker/ET

  21. 7/2/02 (cont.) 7/2 SPD Execution 14:09 RTMP $62.49 Set by marginal unit TMSR $10.36 658/658 TMNSR $10.36 748/748 TMOR $10.36 1161/1161 Demand 23,979 Net Intchg -2,262 Sum DDPs 21,718

  22. 7/2/02 (cont.) Generation 21510 Self-Scheduled 13539 Gen Above RTMP 1407 Self-Scheduled 694 non-dispatchable 275 DDP=LOL 430 Self-Scheduled 233 Flag Transmission 193

  23. July 2, 2002 - Difference Reserves Less Requirement

  24. 7/3/02 Analysis 7/3 Hour Ending 13 Analysis ECP $141.76 TMSR $45.02 TMNSR $45.02 TMOR $45.02 Demand 24,734 Net Intchg -2267 1/12 RTMP Set by Peaker/ET

  25. 7/3/02 (cont.) 7/3 SPD Execution 12:39 RTMP $150.82 Set by marginal unit TMSR $54.08 700/700 TMNSR $54.08 748/748 TMOR $54.08 1164/649 Demand 24,733 Net Intchg -2,267 Sum DDPs 22,467

  26. 7/3/02 (cont.) Generation 22369 Self-Scheduled 13403 Gen Above RTMP 1074 Self-Scheduled 817 Non-dispatchable 55 DDP=LOL 201 Self-Scheduled 130 Flag Transmission 58

  27. July 3, 2002 - Difference of Reserves Less Requirement

  28. 7/9/02 Analysis 7/9 Hour Ending 14 Analysis ECP $43.08 TMSR $3.50 TMNSR $3.50 TMOR $3.45 Demand 22,602 Net Intchg -2229 6/12 RTMP Set by Peaker/ET

  29. 7/9/02 (cont.) 7/9 SPD Execution 13:19 RTMP $45.82 Set by peaker TMSR $7.52 701/701 TMNSR $7.52 800/800 TMOR $7.52 1163/1163 Demand 22,581 Net Intchg -2,229 Sum DDPs 20,353

  30. 7/9/02 (cont.) Generation 20320 Self-Scheduled 12551 Gen Above RTMP 2702 Self-Scheduled 31 non-dispatchable 143 DDP=LOL 2522 Self-Scheduled 1188 Flag Transmission 1291

  31. July 9, 2002 - Difference of Reserves Less Requirement

  32. SPD Summary Data

  33. SPD Summary Data

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