69-3-1203. Definitions. As used in this part, unless the context requires otherwise, the following definitions apply:

(1) "Abandonment costs" means the costs incurred for resources acquired and abandoned pursuant to a plan.

(2) "Consumer counsel" means the consumer counsel provided for in 5-15-201.

(3) "Externalities" mean the impacts on society that are not directly borne by the producer in production and delivery activities, which due to imperfections in or the absence of markets are not accounted for in the producer's production and pricing decisions.

(4) "Plan" means an integrated least-cost resource plan submitted by a utility in accordance with this part and the rules adopted under this part.

(5) "Planning costs" means the costs of evaluating the future demand for services and of evaluating alternative methods of satisfying future demand.

(6) "Portfolio development costs" means the costs of preparing a resource in a portfolio for prompt and timely acquisition of the resource.

(7) "Public utility" means a public utility, as defined in 69-3-101, that provides electric or natural gas service. The term does not include municipal utilities.