In electric power, decommissioning: a unit conversion apparatus including auxiliaries and associated equipment, functioning as a single unit, which is used to produce electric energy from some other form of energy [Section 3.6, DOE Department Circular No. DC2023-07-0022, Implementing Guidelines on the Decommissioning and Mothballing of a Generating Plant or Unit Pursuant to Section 2.8 of DOE Department Circular (DC) No. DC2010-03-003]
