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System restoration, sometimes simply called restoration, is the process of restoring service to customers after an outage or blackout....
TVA is a corporation owned by the United States government. TVA provides wholesale electricity in seven southern states as well as...
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Three-part communication is a process used in the natural gas and electric industries to limit errors due to lack of effective...
Three-phase power refers to an electrical system that has three voltage or current curves. While we are used to thinking of electric...
Three-phase service is typically provided to larger commercial and industrial customers. Any customer, whether it be residential,...
Tidal hydropower plants, also called tidal barrage plants, depend on dams across an estuary or tidal channel that trap incoming tidal...
Time-of-use rates change the price of electricity according to the time of day in which it is consumed. A time-of-use rate is structured...
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Trading arrangements define how business transactions are performed to allow energy, reserves, and other ancillary services to be...
A transformer is a device that changes the voltage of electricity. Transformers are fairly simple devices that operate under the...
A transmission system operator (TSO) is a stand-alone natural gas or electric transmission company that owns transmission facilities and...
Transmission companies, or transcos, are independent owners of transmission facilities. They are commonly investor-owned, and like IOUs...
A transmission management system, commonly called a TMS, is a suite of software tools used by system operators to monitor and manage the...
A key consideration in operating transmission is to avoid outages. Transmission outages can be caused by a variety of reasons including...
In markets where the system operations function has been moved to an Independent System Operator (ISO), the term transmission owner, or...
Transmission rights are used by generators and/or marketers to ensure delivery of power to a point of sale. Given the current state of...
Transmission substations connect two or more transmission lines. In the case where the lines have the same voltage, the substation may...
A turbine is a machine in which the kinetic energy of a moving fluid causes a series of blades to spin, thus converting kinetic energy to...
An energy flow diagram shows the movement of energy used by a specific consumer or set of consumers from source to usage. In the example...
The “service” that natural gas and electric end users receive actually comprises two services: commodity (the supply of natural gas or...
A utility distribution company (UDC) is an electric utility that provides distribution services. As electric markets are restructured,...
