Glossary of Terms

Not familiar with a term?  We've got you covered!

V

Ventilation Air

That portion of supply air which comes from outside, plus any recirculated air that has been treated to maintain the desired quality of air within a designated place. 

Verified Nomination

A nomination that has been validated against the conditions specified in the service contract and with any upstream/downstream or third parties involved in the transaction.

Vertical Integration

A corporate structure in which one company owns all the different aspects of making, selling and delivering a product or service. A vertically integrated electric utility would own generation, transmission and distribution facilities.

Viscosity

In general, resistance to flow; that property of semi-fluids and gases by virtue of which they resist an instantaneous change of shape or arrangement of molecules. 

Volatility

Changes in the commodity price. The more price changes, the greater the volatility and the greater the opportunity to make a profit through trading.

Volt

A unit of electromotive force. One volt, applied to a circuit with a resistance of one ohm, produces a current of one ampere. In the United States, electrical systems of most homes and offices are 110 volts.

Volumetric Rates

A classification method which assigns 100% of fixed costs to the commodity rate.