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NEPOOL Participant’s Committee Meeting June 21, 2002 Boston, MA

NEPOOL Participant’s Committee Meeting June 21, 2002 Boston, MA. Stephen G. Whitley Senior Vice President & COO. Discussion Points. System Operations Energy & Congestion Uplift Cost of Maine Constrained Down Generation Summer 2002 Capacity Update Drought Update SW CT Update

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NEPOOL Participant’s Committee Meeting June 21, 2002 Boston, MA

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  1. NEPOOL Participant’s Committee Meeting June 21, 2002 Boston, MA Stephen G. Whitley Senior Vice President & COO

  2. Discussion Points • System Operations • Energy & Congestion Uplift • Cost of Maine Constrained Down Generation • Summer 2002 Capacity Update • Drought Update • SW CT Update • RTEP Projects Update • Load Response Update • Back-up Detail

  3. System Operations

  4. May Operation’s Highlights • Boston & Hartford weather pattern: • Monthly temperatures were average with above normal precipitation. • Peak Load • May - 18,460 MW, 5/31/02, HE 15 • M/S#2, OP #4, Generator Posturing not implemented during May. • Posturing on May 18 for 3.5 hours to preclude OP - 4 conditions. • Simulated Manual Load Shed tests held on 5/30/02. • Requests for Reserve Sharing • May/ 2 occurrences • Excess Generation: • May 25 - Maine - 1 hour • May 26 - Maine - 1 hour • May 27 - ISO-NE - 4.5 hours

  5. May Operation’s Highlights • SAR Availability: (From NY-ISO reduced due to Central/East) • May 4 - less than 300 MW’s - 10 hours • May 5 - “ 4 hours • May 7 - “ 14 hours • May 8 - “ 9 hours • May 9 - “ 13 hours • May 13 - “ 1 hours • May 15 - “ 4 hours • May 16 - “ 2 hours • May 21 - “ 2 hours • May 22 - “ 4 hours • SAR Availability (To ISO-NE limited due to IMO TLR’s) • May 16 - less than 300 Mw’s 2 hours • May 20 “ 2 hours

  6. May Operation’s Highlights • Solar Magnetic Disturbances (SMD) • There were 7 occurrences of Solar Magnetic Disturbance activity during the month of May • Contracts Curtailed Due to New York Central/East Transmission Problems • May 7 Phase 2 Reduced 4 hours • May 8 “ 9 hours • May 9 “ 13 hours • May 15 “ 4 hours • May 16 “ 2 hours • May 17 “ 3 hours • May 18 “ 2 hours • May 20 “ 9 hours • May 24 “ 8 hours

  7. Energy and Congestion Uplift Reports

  8. Energy Uplift Comparison by Month2001 & 2002(January through April Energy Uplift Reduction $14.4 million)

  9. Congestion Uplift Comparison by Month 2001 & 2002 (January through April Congestion Uplift Reduction $16.9 Million)

  10. Total Congestion Costs May 1999- March 2002 Complete Incomplete

  11. Cause of Congestion by Category

  12. Cost of Maine Constrained Down Generation

  13. Cost of Maine Constrained Down GenerationMonthly Comparison 2001 to 2002

  14. Summer 2002 Capacity Update

  15. Summer 2002Reference Case Capacity Assessment Month of July - Weeks which have the Least Operable Capacity Margin MW Projected Peak 24,200 Operating Reserve Required 1,700 Total Operable Cap. Required 25,900 Projected Capacity 27,800 Assumed Outages 2,500 Total Capacity 25,300 Operable Capacity Margin (600)

  16. Summer 2002Capacity Assessment

  17. Summer 2002 Capacity Assessment Comparison of Summer 2001 & 2002

  18. Summer 2002 Capacity Assessment New Generation • One new 270 MW generating resource added in May • Two new generating resources totaling 80 MW added in June • Approximately 1,640 MW additional generating capacity expected during the remainder of the Summer Period (July - September) • ISO New England continues to hold weekly conference calls with new generators to expedite interconnection, testing, and commercial operation

  19. Summer 2002 Capacity Assessment New Boston 1 Retirement • Reliability Committee approved 18.4 on June 11 • ISO-NE 18.4 approval letter sent June 14 • Retirement July 1

  20. Drought Update

  21. Summer 2002 Capacity AssessmentJune - September 2002

  22. SWCT Update

  23. Summer 2002: LRP SWCT Emergency Capability Supplement • Emergency Resources Added--83. 6 MW • Waterside Power (Stamford)--69.2 MW • 3 TM2500 GE combustion turbines • Emergency Generation--10.3 MW • Load Reduction (Class 1)--4.0 MW • May get Additional LRP in SWCT (not part of ECS)

  24. SWCT Activities • CSC: Hearings on Phase 1 345 kV Line • DPUC: 2 Dockets • Governor’s WG and TF • NRG Generation • Deactivations • Retirements • Upgrades

  25. Devon 7, 8, 10 Deactivations • Operations Studies completed • Generator Resource Adequacy studies completed • Detailed Transmission Analysis nearing completion • Other issues • Black Start • Milford Commercial Operation and Initial Availability • Short Circuit

  26. RTEP Projects Update

  27. NSP Process Flow SEES Needs Assessment Inform Participants Request for Solutions in Consultation with PAC NERTO BOD Public Meeting • Market Responses • Generation • DSM • Merchant Transmission • Regulated Transmission • Proposals NERTO Evaluates Market Responses and Transmission with PAC Input NERTO Formulates NSP to Maintain System Reliability and Economically Justify Congestion Reduction NERTO BOD Public Meeting No viable/timely mkt or tx solution to an identified need Board Approval of NSP RFAP (primarily for gap) RFP for Transmission Construction Board Approval of NSP Revised 6/5/02

  28. RTEP02 • Generator Resource Adequacy • Congestion • Transmission Resource Adequacy • Impact of LRP

  29. RTEP02 - Priority Areas Plus Vermont Local Areas Identified in RTEP01 SWCT SEMA-RI Maine-NH NEMA-Boston

  30. RTEP02 - DSM and LRP • RTEP02 process provided market signals. • SMD to provide mechanism for wholesale payments. • State regulators can provide: • retail pass-throughs of wholesale payments • subsidies for “green technologies”

  31. RTEP02 - Transmission Projects • SWCT • short-term projects to be completed • long-term projects to be completed • SEMA-RI • short-term projects to be completed • options for long-term projects that require further detailed analysis • Maine • short-term projects to be completed • long-term project analysis deferred

  32. RTEP02 - Transmission Projects (cont.) • NEMA-Boston • short-term project analysis underway • options for long-term projects that require further analysis • Northwest Vermont • short-term projects to be completed • long-term projects to be completed • Southeast Vermont/Southwest New Hampshire • short-term projects to be completed • long-term projects to be completed • System - variety of detailed system improvements to be completed

  33. RTEP Projects Update - SWCT

  34. RTEP Projects Update - NEMA

  35. RTEP Projects Update - SEMA

  36. Load Response Update

  37. Load Response UpdateSummer 2002 • Waterside Power Project (SWCT) completed in May • Units underwent operational testing first week of June • Test power to be paid at ECP • Metering connections completed

  38. Load Response UpdateSummer 2002 • Load Response Program Registrations • Class 1 • Active 24 sites = 79 MW (Includes Waterside) • Inactive 33 sites = 9 MW • Class 2 • Active 39 sites = 27 MW • Inactive 4 sites = 28 MW • TOTAL Class 1&2 = 143 MW • Totals from 2001 LR Program • Class 1 • 18 sites = 7 MW • Class 2 • 106 sites = 59 MW • TOTAL = 66 MW

  39. Back-Up Detail

  40. Summer 2002 Capacity Assessment

  41. New England Summer 2002 Load Profiles

  42. Drought Survey - Status Update • Results of ISO Hydraulic Survey indicate Potential Reductions if: • Unit Type: Moderate (Drought) Severe • Fossil: 1,100 3,500 • Run-of-River: 50 100 • Pondage Hydro: 50 200 • ------------------------------------------------------------------- • Total Potential: 1,200 MW 3,800 MW • Current Outlook: • May precipitation near monthly norms • Total rainfall still below accumulated averages • Hydro-electric reservoirs at/near traditional levels • Water supply reservoirs are up somewhat but still below traditional levels

  43. NEMA/BostonArea Detail

  44. Incomplete Congestion Uplift & NCPC Uplift during Congestion Flagged HoursJanuary - December 2001

  45. For More Detail Refer to the COO Monthly Operations Review Report located on the ISO New England website at: http://www.iso-ne.com/sysops_reports/ Thank you!

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