Glossary by "V"
-
596
Value proposition
One or more individual benefits associated with a specific use. A value proposition is said to be attractive if the total value of all benefits exceeds all costs, including required return on investment, if any.
Source: ESA Technical Working Group -
597
Variable cost
Costs which change in proportion to the amount of energy generated or used. Variable costs may be associated with the cost for fuel, variable operating expenses, variable equipment and facility maintenance and depreciation from equipment wear.
Source: ESA Technical Working Group -
598
Vertically integrated utility
A utility that owns and operates all elements of the utility infrastructure and that provides all customer services.
Source: ESA Technical Working Group -
599
Virtual power plant
Acronym(s): VPPA combination of electric resources including distributed generation and storage and demand response that can be aggregated and operated in concert such that they operate as if they were one entity (i.e. a virtual power plant). The aggregated resources may be used to manage the supply and demand balance and/or they may used as a merchant or wholesale electric resource.
Source: ESA Technical Working Group -
600
Volt/VAR Control
In electric power transmission and distribution, volt-ampere reactive (var) is a unit used to measure reactive power in an AC electric power system. VAR control manages the reactive power, usually attempting to get a power factor near unity (1).
Source: Smart Distribution Wiki -
601
Volt/VAR Optimization
VAR optimization manages the reactive power, usually attempting to get a power factor near unity (1).
Source: Smart Distribution Wiki -
602
Voltage conservation
See: Conservation voltage reduction