Electric utility steam generating unit means any steam electric generating unit that is constructed for the purpose of supplying more than one-third of its potential electric output capacity and more than 25 MW electrical output to any utility power distribution system for sale. Any steam supplied to a steam distribution system for the purpose of providing steam to a steam-electric generator that would produce electrical energy for sale is also considered in determining the electrical energy output capacity of the affected facility.
Insurance holding company system means a group of two or more affiliated persons, at least one of whom is an insurer.
Hybrid electric vehicle (HEV) means a hybrid vehicle where one of the propulsion energy converters is an electric machine.