Dennis L. Haider succeeded the retiring R.J. White as president of Prairielands Energy Marketing, Inc. Haider moved over from v.p.-operations for the Williston Basin Interstate Pipeline Co., another unit of MDU Resources Group Inc. Prairielands became a subsidiary of Williston Basin when Haider took over as president.
In a related development, Ronald G. Skarphol, a special projects manager of Montana-Dakota Utilities Co., takes White's place as v.p.-marketing and business development. Montana-Dakota is another MDU division.
Bill Daley and John Belgiovine joined Plum Street Energy Marketing, a Niagara Mohawk Power Corp. affiliate. Daley, formerly Eastern region service manager for Niagara Mohawk, will direct natural gas sales and marketing in western New York. Belgiovine, former electric sales and service supervisor at the same company, will oversee electric and gas sales/marketing in the Northeast.
The Nuclear Regulatory Commission promoted Ellis W. Merschoff to administrator of Region IV; James E. Dyer will serve as his deputy. Merschoff moves from the Region II office, while Dyer moves up from director of Region IV's reactor projects division.
WPS Resources Corp. (WPSR) promoted two executives: Pat Schrickel and Dan Bittner. Schrickel, WPSR v.p. and senior v.p.- finance/corporate services for Wisconsin Public Service Corp., becomes executive v.p. of both companies. Bittner replaces Schrickel.
Randy G. Harris, formerly g.m. of Sierra Pacific Power Co.'s transmission services, was promoted to v.p.-energy marketing.