Glossary - i
For your convenience, this page contains an alphabetically organized list of terms, definitions and common acronyms used in the electric utility industry.
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Term/Acronym |
Definition |
| ICCP | Inter-Control Center Communications Protocol |
| IDR | Interval Data Recorder |
| IEL | Initial Estimated Liability |
| IMM | Independent Market Monitor |
| IOU | Investor Owned Utilities |
| IPM | Independent Power Marketer |
| IPP | Independent Power Producers |
| IRR | Intermittent Renewable Resources |
| Inadvertent Energy Account | An account maintained by ERCOT to track any differences between deemed meter readings at the DC Ties, based on schedules, and the actual metered values at the DC Tie meters. |
| Independent Market Monitor (IMM) | The Entity selected to monitor the wholesale electric market pursuant to the Public Utility Regulatory Act (PURA), TEX. UTIL. CODE ANN. § 39.1515 (Vernon 1998 & Supp. 2007) and P.U.C SUBST. R. 25.365, Independent Market Monitor. |
| Independent Organization | An independent organization as defined in the Public Utility Regulatory Act (PURA), TEX. UTIL. CODE ANN. § 39.151 (Vernon 1998 & Supp. 2007) |
| Initial Settlement | See Settlement Statement |
| Inter-QSE Trade | Any Energy and Ancillary Services scheduled to or from other QSEs or ERCOT. |
| Interconnection Agreement | An agreement that sets forth requirements for physical connection between an Eligible Transmission Service Customer and Transmission and/or Distribution Service Providers. |
| Intermittent Renewable Resource (IRR) | See Resource |
| Interval Data Recorder (IDR) | A metering device that is capable of recording Load in each Settlement Interval under Section 9, Settlement and Billing, and Section 10, Metering. |
| Interval Data Recorder (IDR) Meter | IDR where the ESI ID is required to be assigned a BUSIDRRQ Load Profile Type code and data is submitted in accordance with Section 10.3.3.3, Submission of Settlement Quality Meter Data to ERCOT. |
| Interval Data Recorder (IDR) Meter Data Threshold | The percentage of IDR Meter data by Meter Reading Entity (MRE), that must be available before ERCOT will perform a True-Up Settlement as set forth in Section 9.2.6, True-Up Statement. |
| Interval Data Recorder (IDR) Meter Mandatory Installation Requirements | The kW (kVA) level at which the installation of IDRs are required for Settlement purposes as set forth in Section 18.6.1, Interval Data Recorder Installation and Use in Settlement. |
| Interval Data Recorder (IDR) Meter Optional Removal Threshold | The kW (kVA) level at which an IDR Meter may be removed as set forth in Section 18.6.6, Interval Data Recorder Optional Removal. |
| Invoice | A notice for payment or credit due rendered by ERCOT. |
| Invoice Recipient | A Market Participant that receives an Invoice from ERCOT. |