January 1950 operating report included 546 consumers billed, KWH sold were 102,644 and total miles energized were 490. The average bill for January was $9.85.
1951
June 1951 brought the installation of a two-way radio system to the Hazen area. This allowed Oliver-Mercer to contact any of the four mobile units any place in Oliver or Mercer counties.
1953
January 1953 operating report included 1,365 connected consumers, KWH sold were 311,437 and total energized miles were 1,280.
June 1953, Oliver-Mercer purchased a building on main street of Hazen, known as Western Motors, for the new headquarters building. October 1953, the office was moved to this new location.
Oliver-Mercer’s phone number was SH 8-2666.
October 1959, the high-user was a commercial load with more than 7,000 KWH in one month.