A - F

An uncontrolled successive loss of system elements triggered by an incident at any locale which typically results in widespread service interruptions and cannot be restrained from spreading ("cascading") beyond an area predetermined by appropriate studies

Transmission, transformation and distribution losses of electric energy between sources of supply and points of delivery (generally, losses are due to heating of transmission and distribution elements)

Capacity deficient revenues

A person, corporation, agency, authority or other legal entity or instrumentality that owns or operates facilities for the generation, transmission, distribution or sale of electric energy to the public and that is defined as a utility under the statutes...

Price cuts or increases instituted by a regulator to "claw back" the incremental gain resulting from an underestimate of the X factor, an assumed rate of productivity increase; contract provisions that require tax incentives to be given back

A cost that cannot be avoided by reducing output because the cost was incurred previously, such as the original cost of an asset (less depreciation, but including the operating and maintenance expenses and all taxes)

Generating electricity and thermal energy (heating and/or cooling) simultaneously

An abnormal system condition that requires automatic or immediate manual action to limit or prevent loss of transmission facilities or generation supply that might adversely affect the system's reliability

"is, by common definition, equal to the additional costs that would be incurred to produce an additional unit of electricity sold in the market. As long as sufficient supplies exist, the competitive price is roughly proportional to the fuel costs required...

Any commercial, industrial or retail consumer of electricity