Attorney General v. Public Service Commission 1

These consolidated appeals arise from a December 29, 1982, order of the Michigan Public Service Commission granting Michigan *115Consolidated Gas Company’s request for a rate increase. The increase was granted pursuant to the "Other Operations and Maintenance Indexing System,” an indexing system devised by the commission to permit MichCon to recoup certain administrative and operational expenses.

Under the commission’s indexing system, the commission established a base amount of other operations and maintenance expenses and then provided that the base would be automatically increased, and rates…