State Ex Rel. Utilities Commission v. Piedmont Natural Gas Co. , 346 N.C. 558 ( 1997 )
State Ex Rel. Utilities Commission v. Carolina Utility Customers Ass'n Inc. , 348 N.C. 452 ( 1998 )
STATE EX REL. UTIL. COM'N v. Thornburg , 325 N.C. 463 ( 1989 )