In a case involving automatic adjustment clause procedures for state utilities, the Minnesota Public Service Commission (PSC) has directed Northern States Power Co. to make major modifications to its accounting system for gas costs. While approving a requested variance of its adjustment clause rules to allow the utility to recover a $1.05 million undercollection in its gas cost true-up rate, the PSC found the error due to the complexity of accounting for gas sales. It said the current system of complex intracompany accounting entries should be replaced by an invoicing system for sales to the generation side. Re Review of the 1994 Automatic Adjustment of Charges for All Gas and Electric Utilities, Docket No. G,E-999/AA-94-762, July 13, 1995 (Minn.P.S.C.).
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