Glossary - g
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 |
| GADS | Generation Availability Data System |
| GREDP | Generation Resource Energy Deployment Performance |
| GSU | Generator Step-Up |
| GTL | Generic Transmission Limit |
| Generation Entity | The owner of an All-Inclusive Generation Resource and, unless otherwise specified in these Protocols, is registered as a Resource Entity. |
| Generation Resource | See Resource |
| Generic Transmission Limit (GTL) | A transmission flow limit more constraining than a Transmission Element’s normal limit established to constrain flow between geographic areas of the ERCOT Transmission System that is used to enforce stability and voltage constraints that cannot be modeled directly in ERCOT’s transmission security analysis applications. |
| Good Utility Practice | Any of the practices, methods, and acts engaged in, or approved by, a significant portion of the electric utility industry during the relevant time period, or any of the practices, methods, and acts that, in the exercise of reasonable judgment in light of the facts known at the time the decision was made, could have been expected to accomplish the desired result at a reasonable cost consistent with good business practices, reliability, safety, and expedition. Good Utility Practice is not intended to be limited to the optimum practice, method, or act, to the exclusion of all others, but rather is intended to include acceptable practices, methods, and acts generally accepted in the region. |
| Governmental Authority | Any federal, state, local, or municipal body having jurisdiction over a Market Participant or ERCOT. A Governmental Authority that is also a Market Participant may not exercise its jurisdiction in any matter that involves the interests of that Market Participant where that matter also involves the interests or responsibilities of any other Market Participant or ERCOT, unless the matter is one in which the Market Participant has exclusive jurisdiction. |
| Governor | The electronic, digital, or mechanical device that implements Primary Frequency Response of a Resource. |
| Governor Dead-Band | The range of deviations of system frequency (+/-) that produces no Primary Frequency Response. |