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This document outlines the proposed implementation of Reserve Zones for ASM Phase II by ISO-NE. Key segments include specific Reserve Zones such as SouthWest Connecticut, Connecticut, and NEMA/Boston. The use of these zones will enhance the power system's reliability and are integral to the Daily RMR resource requirements. The criteria for defining these zones and their periodic review will ensure that they accurately reflect operational needs and market dynamics. This proposal aims to optimize the New England Wholesale markets through enhanced modeling and dispatch mechanisms.
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ASM Phase IIReserve Zone Criteria NEPOOL Markets Committee May 24, 2005 Jim Milligan ISO-NE Markets Development
Outline • Proposed Reserve Zones • Use of Reserve Zones • Reserve Zone Characteristics • Review/Definition Periodicity • Relationship with Other Zone Definitions
Proposed Reserve Zones • The ISO is proposing that the following Reserve Zones be defined and used for the initial implementation of ASM Phase II: • SouthWest Connecticut (SWCT) • Connecticut • NEMA/Boston
Use of Reserve Zones • Reserve Zones will be modeled as part of the power system configuration used in the New England Wholesale markets • Reserve Zones and Reserve Zone requirements will be inputs into the LFRM clearing, the real time dispatch algorithm and Settlements
Reserve Zone Characteristics • Defined for areas of power system that routinely require Daily RMR Resources to cover local 2nd contingency reliability criteria. • Zones are import constrained areas and consist of closed interfaces. • Zones must be contained within or the same as Energy Load Zones.
Zone Review/Definition Periodicity • Zone definitions (and requirements) will be reviewed and discussed as part of derivation and assumptions for each LFRM Auction. • Zone changes will be published as part of LFRM Auction Assumptions. • Zone changes will be coordinated with other Market timing and notifications.
