ANR Pipeline Co. v. Federal Energy Regulatory Commission

Opinion for the Court filed by Circuit Judge RUTH B. GINSBURG.

RUTH B. GINSBURG, Circuit Judge:

These consolidated cases arise from a contract dispute between petitioner gas-producer Mobil Exploration & Producing North America, Inc. (Mobil) and petitioner gas-purchaser ANR Pipeline Company (ANR). Mobil, alleging that the contracts governing its gas sales to ANR expired on October 24, 1980, sought a price increase effective retroactively as of that date. The Federal Energy Regulatory Commission (FERC or Commission) granted Mobil a rate increase effective February 24, 1986— thirty days after…