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LRS Report to PCC. Wally Gibson, NWPCC Planning Coordination Committee Spokane, WA June 26-27, 2008. PSA Status - 1. Will post draft for earlier review this year Generally same approach as last year Keeping same building block but updating calculations Contingency reserves

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LRS Report to PCC

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LRS Report to PCC

Wally Gibson, NWPCC

Planning Coordination Committee

Spokane, WA

June 26-27, 2008


PSA Status - 1

  • Will post draft for earlier review this year

  • Generally same approach as last year

    • Keeping same building block but updating calculations

      • Contingency reserves

      • Regulating reserves

      • Additional forced outage reserves

      • Reserve for 1-in-10 weather driven load

  • Addressing additional temperature issues with scenarios

  • Unpredictable plant retirements (California cooling water)

    • Goal: Phase out once-through cooling, ~20,000 MW

    • Implementation schedule, details, effects unknown

    • Narrative on magnitude and issues, no full scenario


PSA Status - 2

  • Breaking out planned resource classes further

  • 2007 PSA:

    • Class 1: Under construction, in service Jan 2011

    • Class 2: Active regulatory review, in service by Jan 2013

  • 2008 PSA

    • Class 1: Under construction, in service Jan 2012

    • Class 2: All permits approved and interconnection agreements signed and in service Jan 2014 -- small class

    • Class 3: Under regulatory review and facility study done with active negotiation of interconnection agreement and in service Jan 2014


NERC Adequacy Reports

  • Long-Term Reliability Assessment (LTRA)

    • NERC asking for more detail on status of future resources, demand side and energy efficiency programs

      • Additional data requests – a likely future pattern

  • LTRA Scenarios

    • New emphasis for NERC – a big issue for them

    • 2009 Scenario: Accelerated renewable integration – 15% total energy from renewables by 2018

    • Build off TEPPC 2017 WIRAB case (20% CO2 reduction from 2005 levels)

    • Bring in results of other studies (e.g., CAISO, WWSIS)

    • Study plan approved by NERC PC, report due spring 2009


Future Work

  • Following NERC developments and working with Western participants on NERC resource adequacy-related task forces and subcommittees

    • Expect additional data requests for NERC studies

  • Expand analysis of energy constraints

  • Evaluating future use of Promod for adequacy assessments

  • Continuing to work with TEPPC on getting most efficient data gathering process


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