8 835/849 5-27-2015 Update WECC Model Update address in Section 5.1.2 and the length of the FNM Model Life Cycle in Exhibit – Effective 6-1-2015 – PRR #835 Update Sections 4.1.2, 4.2.3.7, 5.1.4 for Reliability Demand Response Resource (RDRR) – Effective – PRR #849 7 771 10-30-2014 Update Sections 4.2.3.2.1 Footnote 29, 5.1.7, 5.2.4, and 5.3.2 for Outage Management System Replacement – Effective 2-27-2015 – PRR #771 6 758/766 9-26-2014 Update Section 4.2.2.1 for Load Distribution Factor Release – Effective 10-1-2014 – PRR #766 Update various sections to implement FNM expansion initiative and fix broken links and outdated information – Effective 10-15-2014 – PRR #758 5 637 January 3, 2013 Update language to Section 2.1.1.2, 4.1.2, 4.2.4.3, 4.2.4.4, 4.2.4.5, 4.2.7, 5.1, and Deletion of Exhibit A-3 – PRR - 637 4 343/356 12-20-2010 Update MSL Market Schedule Limits, on Section 2.1.1.2, Section 3.1.4, and Section 4.2.4.3, Exhibit 4-13 - PRR - 356 3 166 08-10-2010 Update Section 4.2.3.7 (PDR) – Effective 08-10-2010 – PRR #166 2 73 10-14-2009 Updated Exhibit 5.1 – Effective 10-14-09 – PRR #46 Updated Section 5.1.2 – Effective 10-14-09 – PRR #73 1 46 03-23-2009 Go-Live Release. Updated sections 2.1, 2.2, 4.2.6 (IBAA) and 5. TABLE OF CONTENTS
Convert calculated system losses calculated by network applications (NA) to market losses for use by SCUC according to the following formula: Convert the NA calculated physical loss sensitivities to a market resource loss sensitivity using the following formula: Convert the NA calculated physical Resource MW base points to the market resource MW base point using the following formula: Modeling Transmission Related Market Attributes The following sections describe market related concepts impacting transmission system modeling in the FNM. Intertie Scheduling Constraints Interties represent the transmission interconnections between the CAISO Balancing Authority Area and adjoining Balancing Authority Areas and are used as the Scheduling Points for imports, exports, and wheeling. Interties or Scheduling Points are also used for wheeling power across a Balancing Authority Area. An Intertie can be used by multiple SCs. Each SC can schedule interchange at multiple Interties. An SC can have multiple interchange schedules at the same Intertie Scheduling Point by assigning a unique interchange identifier to each interchange schedule. With each Intertie there is a requirement to include the following scheduling constraints during the SCUC optimization: Where: I = Total Energy Import E = Total Energy Export R = Total AS Import (total of RegUp, Spin, and NonSpin imports, and RegDown exports) FI = Intertie ATC in the import direction
Exhibit 412: Price Location and Aggregation Relationships Trading Hubs Trading Hubs are defined in the CAISO Tariff Attachment A as follows: “An aggregation of network Pricing Nodes maintained and calculated by the CAISO for settlement and trading purposes posted by the CAISO on its CAISO website.” Trading Hubs, which are a form of an Aggregated Pricing Node, are aggregation points that include all Generation Points of Receipt connected to the associated network nodes. The Trading Hub GDFs describe the distribution pattern of the entire Generation output within the Trading Hub, for each season and time-of-use period (on-peak or off-peak). The CAISO builds the model of Trading Hubs and the associated Hub GDFs. Initially, the Trading Hubs are set up to be the same as the CAISO’s existing congestion zones (e.g., NP15, SP15 and ZP26). In any of the CAISO Markets, Trading Hub prices are weighted averages calculated using the individual Trading Hub member nodal prices weighted by Trading Hub GDFs. The Trading Hubs and the Trading Hub Generation Distribution Factors are maintained in the CAISO software applications. The Trading Hubs and the Trading Hub Generation Distribution Factors will be published to market participants from these sources. Metered Sub-Systems The discussion of MSSs in this BPM is intended to address only issues pertinent to modeling of MSSs in the FNM. Details of other aspects of MSS operation are contained in Section 4.9.1 of the CAISO Tariff and in the BPM for Market Operations. The following principles apply to modeling of Metered Sub-System (MSSs): MSSs, their detailed transmission systems, Generators and Loads are modeled in the FNM. CAISO State Estimator solves for the state of the grid within the MSSs. CAISO forecasts the Load of MSSs. Load forecast of MSS is distributed using Load Distribution Factors (LDFs). MSSs may have multiple interchange points with CAISO (e.g., Silicon Valley Clara).