(1) As used in this part: (a) "Energy utility" means one of the following with 200,000 retail customers in the state: (i) an electrical corporation; or (ii) a gas corporation. (b) "Resource decision" means a decision, other than a decision to construct or acquire a significant energy resource, involving: (i) an energy utility's acquisition, management, or operation of energy production, processing, transmission, or distribution facilities or processes including: (A) a facility or process for the efficient, reliable, or safe provision of energy to retail customers; (B) an energy efficiency and conservation program; or (C) rural gas infrastructure development; or (ii) a decision determined by the commission to be appropriate for review under this part. (c) "Rural gas infrastructure development" means the planning, development, and construction of an extension or expansion of natural gas main lines to serve previously unserved rural areas of the state.

(a) "Energy utility" means one of the following with 200,000 retail customers in the state: (i) an electrical corporation; or (ii) a gas corporation.

(i) an electrical corporation; or

(ii) a gas corporation.

(b) "Resource decision" means a decision, other than a decision to construct or acquire a significant energy resource, involving: (i) an energy utility's acquisition, management, or operation of energy production, processing, transmission, or distribution facilities or processes including: (A) a facility or process for the efficient, reliable, or safe provision of energy to retail customers; (B) an energy efficiency and conservation program; or (C) rural gas infrastructure development; or (ii) a decision determined by the commission to be appropriate for review under this part.

(i) an energy utility's acquisition, management, or operation of energy production, processing, transmission, or distribution facilities or processes including: (A) a facility or process for the efficient, reliable, or safe provision of energy to retail customers; (B) an energy efficiency and conservation program; or (C) rural gas infrastructure development; or

(A) a facility or process for the efficient, reliable, or safe provision of energy to retail customers;

(B) an energy efficiency and conservation program; or

(C) rural gas infrastructure development; or

(ii) a decision determined by the commission to be appropriate for review under this part.

(c) "Rural gas infrastructure development" means the planning, development, and construction of an extension or expansion of natural gas main lines to serve previously unserved rural areas of the state.

(2) The commission may adopt rules in accordance with Title 63G, Chapter 3, Utah Administrative Rulemaking Act, to specify the nature of resource decisions subject to approval under Section 54-17-402.