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Comparison of Regional Reliability Techniques. Presented to PSPC November 22, 2004 Westborough, MA. Purpose of Presentation. Compare various planning assumptions NPCC Regions PJM Follow-up to the November 18 th Meeting
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Comparison of Regional Reliability Techniques Presented to PSPC November 22, 2004 Westborough, MA For Discussion Purposes Only DRAFT - DRAFT
Purpose of Presentation • Compare various planning assumptions • NPCC Regions • PJM • Follow-up to the November 18th Meeting • Begin comprehensive discussions of ISO-NE assumptions for 2005/06 Objective Capability • Caveats: • Preliminary data for other areas needs further review For Discussion Purposes Only DRAFT - DRAFT
Comparison of Regional Metrics • “Regional Practices” review to: • Identify range of practices that are in use • Allow relative comparison among industry participants • Establish hypotheses for benefits / problems with outliers • Several industry metrics will be reviewed: • Reserve margin percentages • Tie benefits as a percent of reserve margins • Tie benefits as a percent of regional reserves • Impact of Emergency Operating Procedures For Discussion Purposes Only DRAFT - DRAFT
Reserve Margins Data Needs Further Review For Discussion Purposes Only DRAFT - DRAFT
Tie Benefits Part of Reserves Note: PJM’s 3500 MW CBM Converted to 1500 MW Firm Equivalent Tie Benefit Data Needs Further Review For Discussion Purposes Only DRAFT - DRAFT
1995 Monthly Load Profiles For Discussion Purposes Only DRAFT - DRAFT
2002 Monthly Load Profiles For Discussion Purposes Only DRAFT - DRAFT
NERC Region Monthly Profiles For Discussion Purposes Only DRAFT - DRAFT
Weather Based LFU For Discussion Purposes Only DRAFT - DRAFT
NPCC Operating Procedures to Mitigate Resource Shortages NA Excludes Elimination of Required 10 and 30 Minute Operating Reserves For Discussion Purposes Only DRAFT - DRAFT
Emergency Operating Procedures NA For Discussion Purposes Only DRAFT - DRAFT
Emergency Operating Procedures NA For Discussion Purposes Only DRAFT - DRAFT
Risk Profile For NPCC Regions With Resources Currently Available For Discussion Purposes Only DRAFT - DRAFT
EFORd Affects PJM IRM Note: PJM’s EFORd rate does not include two (2) assumed large units whose maintenance is shifted over the summer peak load season. Each large unit has about 1.7 % effect on IRM Source: http://www.pjm.com/committees/reliability/downloads/20040803-item4-irm-study.pdf For Discussion Purposes Only DRAFT - DRAFT
Sensitivity of OC to Parameters For Discussion Purposes Only DRAFT - DRAFT