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Ann Finley PCC Member Metropolitan Water District of So. California

Ann Finley PCC Member Metropolitan Water District of So. California. Proposed Revisions to SRWG Handbook Update to TSS - For Information Only PCC Action Item April 25, 2012. Proposed Revisions to SRWG Handbook. Summary PCC action item- draft changes to SRWG Handbook to:

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Ann Finley PCC Member Metropolitan Water District of So. California

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  1. Ann FinleyPCC MemberMetropolitan Water District of So. California Proposed Revisions to SRWG Handbook Update to TSS - For Information Only PCC Action Item April 25, 2012

  2. Proposed Revisions to SRWG Handbook • Summary • PCC action item- draft changes to SRWG Handbook to: • Include a process for Voluntary Reporting of Internal or External Impacts to a Transmission Planner area. Internal Impacts (Non-Violation) External Impacts (Violation of WECC Table W-1) • PCC also supported the idea of having language drafted to allow a process to remove mitigated items from: • the WECC Annual Study Program Exceptions List, or • other new lists related to voluntary reported items above

  3. BACKGROUND: TPL-001-WECC– CRT – System Performance Criterion • Applicability: “...Requirement R1 only applies to effects on facilities external to a Transmission Planner area.” (Note: Former requirement WRS1 was clearer: “Table W-1 does not apply internal to a Transmission Operator Area.” ) • Requirement R1: “…each Planning Coordinator and Transmission Planner shall comply with WECC’s Disturbance–Performance Table (Table W-1) of Allowable Effects on Other Systems…” • Requirement R2: “Individual systems or a group of systems may apply requirements that differ from specific requirements in Table W-1 for internal impacts. If the individual requirements are lessstringent, other systems are permitted to have the same impact on that part of the individual system for the same category of disturbance. If these requirements are more stringent, these requirements may not be imposed on other systems. This does not relieve the system or group of systems from WECC requirements for impacts on other systems.”

  4. Proposed Revisions to SRWG Handbook • Proposed Revisions: • Section IV Section 4.2a: Updated WECC System Performance Criterion effective 4/1/2012 • Section IV Section 4.3A: Included name of “Exceptions List” • Clarified Section 4.3 subsection 4.0(D) less stringent impacts identified through WECC’s Technical Study Program. • New Section 4.3 subsection D.6: How to have an item removed from WECC’s Annual Assessment/Study Plan Exception list if mitigated • New Section V: Voluntary Identification of Internal or External Impacts to a Transmission Planner Area • How to report an Internal or External Impact found outside of WECC Annual Study Program. • How to be removed from an Internal or External Impact list if mitigated

  5. Ann Finley Metropolitan Water District of So. California afinley@mwdh2o.com Questions?

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