A (10) | B (1) | C (9) | D (15) | E (8) | F (3) | G (5) | H (3) | I (8) | K (2) | L (4) | M (11) | N (6) | O (3) | P (16) | R (6) | S (10) | T (5) | U (1) | W (6) | Z (1)
Term Definition

A standardized set of terms for generation, purchase, transmission and/or delivery of electricity on a utility’s system, a state, region, or country. The term is commonly used in electric utility rate making in North America. The term is also commonly used in Europe. In this context tariffs are not taxes or customs duties on goods crossing international borders.


The term or life of a contract, similar to maturity.

Three-Phase Distribution or Transmission Lines

Electrical power lines that carry electric energy from one point to another in an electric power system, using three power lines, to transmit three different electrical signals. The phases, or electrical signals, required for most large rotating machines which are used in many manufacturing processes and for many commercial/large wind turbines. The U.S. Department of Labor: Occupational Safety & Health Administration has a great online guide illustrating generation, transmission, and distribution equipment in an easy to understand format: http://www.osha.gov/SLTC/etools/electric_power/illustrated_glossary/inde...


The transfer of electric current from a power plant to a destination that could be hundreds of miles away.


A device for converting the flow of a fluid (air, steam, water, or hot gases) into mechanical motion that can be utilized to produce electricity.