S.D. Codified Laws § 49-34A-76
Current with legislation signed by the governor on or before 3/6/2024
Within twelve months after the end of the phase in rate plan, the electric utility shall file a general rate case with a full cost of service analysis including the plant additions, unless, upon motion, the commission determines that a general rate case would not be likely to result in material changes to the rates in place under the phase in rate plan, in which event the rates under the phase in rate plan will remain in effect until changed by further order of the commission.
SDCL 49-34A-76