Topping-cycle cogeneration unit
Topping-cycle cogeneration unit means a cogeneration unit in which the energy input to the unit is first used to produce useful power, including electricity, and at least some of the reject heat from the electricity production is then used to provide useful thermal energy.
Source
40 CFR § 96.102
Scoping language
The terms used in this subpart and subparts BB through II shall have the meanings set forth in this section as follows: