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Glossary - U

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
UFE Unaccounted For Energy
URL Unit Reactive Limit
URS Up Regulation Services
USA User Security Administrator
USD United States Dollar or U.S. Dollar

Unaccounted for Energy (UFE)

The difference between total Load for each Settlement Interval, adjusted for applicable Distribution Losses and Transmission Losses, and total ERCOT generation.

Unit Reactive Limit (URL) The maximum quantity of Reactive Power that a Generation Resource is capable of providing at a 0.95 power factor at its maximum real power capability.
Updated Desired Base Point A calculated MW value representing the expected MW output of a Generation Resource ramping to a Base Point.
Updated Network Model A computerized representation of the ERCOT physical network topology, including some Resource Parameters, all of which replicates the forecasted or current network topology of the ERCOT System needed by ERCOT to perform its functions.