PIERRE — The South Dakota Public Utilities Commission has approved allowing Montana-Dakota Utilities an extension of the test period used to determine possible rate increases for natural gas and electric service. M-D-U attorney Brett Koenecke says only seven months will have passed since the close of the test window and that using 2022 data will accurately reflect M-D-U’s financial setting…
Commission Chair Kristie Fiegen asked P-U-C staff about the future of similar considerations….
Commissioner Chris Nelson says similar future request from investor-owned utilities will get a hard look from him…
Montana-Dakota is looking to file general rate increase applications for natural gas and electric rate increases in August.