| C | CAISO | California Independent System Operator Corporation | The California Independent System Operator Corporation, a state chartered, California non-profit public benefit corporation that operates the transmission facilities of all Participating Tos and dispatches certain Generating Units and Loads. [T] |
| D | | Deliverability Assessment | An evaluation performed pursuant to the CAISO On-Peak Deliverability Assessment posted on the ISO website, to determine if a Generating Facility or a group of Generating Facilities could provide Energy to the CAISO Controlled Grid and be delivered to the aggregate of Load on the CAISO Controlled Grid at peak Load, under a variety of severely stressed conditions. [T] |
| D | | Distribution System | The distribution assets of an IOU or Local Publicly Owned Electric Utility. [T] |
| D | | Dynamic Schedule |
A telemetered reading or value which is updated in Real-Time and which is used as an Interchange Schedule in the California ISO Energy Management System calculation of Area Control Error and the integrated value of which is treated as an Interchange Schedule for Interchange accounting purposes. [T]
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| G | | Generating Facility |
An Interconnection Customer’s Generating Unit(s) used for the production of electricity identified in the Interconnection Request, but shall not include the Interconnection Customer’s Interconnection Facilities. [T]
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| G | | Generation | Energy delivered from a Generating Unit. [T] |
| G | GIDAP | Generation Interconnection and Deliverability Allocation Procedures | The interconnection procedures applicable to an Interconnection Request pertaining to a Generating
Facility processed under Appendix DD. [T] |
| G | | Generator |
The seller of Energy or Ancillary Services produced by a Generating Unit. [T]
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| G | GIP | Generator Interconnection Procedures | The interconnection procedures applicable to an Interconnection request pertaining to a Generating
Facility processed under Appendix Y. [T] |
| G | | Independent Study Process | The GIP or GIDAP procedure for evaluating an Interconnection Request for a Generating Facility independently of the process applicable to a Generating Facility assigned to a Queue Cluster or the Fast Track Process. [T] |
| I | IBAA | Integrated Balancing Authority Area |
A Balancing Authority Area as provided in Section 27.5.3 that has been determined to have one or more direct interconnections with the California ISO Balancing Authority Area, such that power flows within the IBAA significantly affect power flows within the California ISO Balancing Authority Area, and whose network topology is therefore modeled in further detail in the California ISO’s Full Network Model beyond the simple radial modeling of interconnections between the IBAA and the California ISO Balancing Authority Area. [T]
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| I | | Interconnection Customer |
Any entity, including a Participating TO or any of its Affiliates or subsidiaries, that proposes to interconnect its Generating Facility with the California ISO Controlled Grid. [T]
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| I | | Interconnection Request |
An Interconnection Customer’s request, in the form of Appendix 1 to the Large Generator Interconnection Procedures or Attachment 2 to the Small Generator Interconnection Procedures, in accordance with Section 25.1. [T]
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| I | | Interconnection Study |
Any of the following studies: the Interconnection Feasibility Study, the Interconnection System Impact Study, and the Interconnection Facilities Study described in the Standard Large Generator Interconnection Procedures set forth in Appendix U or the Phase I Interconnection Study and the Phase II Interconnection Study described in the LGIP set forth in Appendix Y. [T]
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| I | | Interconnection Study Cycle | All requirements, actions, and respective obligations of the ISO, Participating TO, and Interconnection Customer under the GIP set forth in Appendix Y or the GIDAP set forth in Appendix DD applicable to an Interconnection Request submitted in the applicable annual Cluster Application Window and including execution by the parties or submission to FERC by one or more parties of a GIA. [T] |
| I | | Intertie |
A Scheduling Point at a point of interconnection between the California ISO Balancing Authority Area and an interconnected Balancing Authority Area. [T]
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| I | IOU | Investor Owned Utility | |
| L | LGIA | Large Generator Interconnection Agreement |
The form of interconnection agreement applicable to an Interconnection Request pertaining to a Large Generating Facility, a pro forma version of which is set forth in Appendix V or Appendix Z, as applicable. [T]
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| L | | Load |
An end-use device of an End-Use Customer that consumes Power. Load should not be confused with Demand, which is the measure of Power that a Load receives or requires. [T]
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| L | LAP | Load Aggregation Point |
A set of Pricing Nodes as specified in Section 27.2 that are used for the submission of Bids and Settlement of Demand. [T]
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| L | LSE | Load Serving Entity |
Any entity (or the duly designated agent of such an entity, including, e.g. a Scheduling Coordinator), including a load aggregator or power marketer, that (a) (i) serves End Users within the California ISO Balancing Authority Area and (ii) has been granted authority or has an obligation pursuant to California state or local law, regulation, or franchise to sell electric energy to End Users located within the California ISO Balancing Authority Area; (b) is a federal power marketing authority that serves End Users; or (c) is the State Water Resources Development System commonly known as the State Water Project of the California Department of Water Resources. [T]
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| L | | Local Deliverability Constraint | A transmission system operating limit modeled in the GIDAP study process that would be exceeded if the
CAISO were to assign Full Capacity Deliverability Status or Partial Capacity Deliverability Status to one or
more additional Generating Facilities interconnecting to the CAISO Controlled Grid in a specific local
area, and that is not an Area Deliverability Constraint. [T] |
| L | LDNU | Local Delivery Network Upgrade | A transmission upgrade or addition identified by the ISO in the GIDAP interconnection study process
to relieve a Local Deliverability Constraint. [T] |
| L | | Location |
A reference to either a Pnode or an Aggregated Pricing Node. [T]
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| M | MP | Market Participant |
An entity, including a Scheduling Coordinator, who either: (1) participates in the California ISO Markets through the buying, selling, transmission, or distribution of Energy, Capacity, or Ancillary Services into, out of, or through the California ISO Controlled Grid; (2) is a CRR Holder or Candidate CRR Holder, or (3) is a Convergence Bidding Entity. [T]
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| M | | Meter Data |
Energy usage data collected by a metering device or as may be otherwise derived by the use of Approved Load Profiles. [T]
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| M | MDMA | Meter Data Management Agent |
An entity that has qualified to read meters, validate Meter Data, and estimate data to make available to others for use in various applications as defined by the CPUC.
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| M | MSA | Meter Service Agreement |
A Meter Service Agreement for California ISO Metered Entities or a Meter Service Agreement for Scheduling Coordinators entered into between California ISO and a California ISO Metered Entity or a Scheduling Coordinator consistent with the provisions of Section 10 of the California ISO Tariff, pro forma versions of which are set forth in Appendices B.6 and B.7.
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| M | MSA CAISOME | Meter Service Agreement for CAISO Metered Entities |
An agreement entered into between the California ISO and a California ISO Metered Entity consistent with the provisions of Section 10, a pro forma version of which is set forth in Appendix B.6. [T]
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| M | MSS | Metered Subsystem |
A geographically contiguous system located within a single zone which has been operating as an electric utility for a number of years prior to the California ISO Operations Date as a municipal utility, water district, irrigation district, state agency or federal power marketing authority subsumed within the California ISO Balancing Authority Area and encompassed by California ISO certified revenue quality meters at each interface point with the California ISO Controlled Grid and California ISO certified revenue quality meters on all Generating Units or, if aggregated, each individual resource. Participating Load , and Proxy Demand Resource internal to the system, which is operated in accordance with a MSS Agreement described in Section 4.9.1. [T]
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