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In developing the ratios of customers to employees, we reviewed the staffing level data
AmerenCILCO provided by job classification, in-house employees, and contractor employees at
year end for each year during the 1995-2006 time period, and made several adjustments to
make the ratios consistent and easier to interpret.
4.2.1 Linemen Employee Ratios
Within AmerenCILCO, all in-house crews are assigned work by the operating center, which
covers a geographic area. A crew may be assigned any work in that operating center’s
geographic area of responsibility. Currently AmerenCILCO’s field forces primarily operate out of
one of the following operating centers: Peoria, Eastern, Lincoln, Springfield, or Champaign.
During the 1995-2006 timeframe, AmerenCILCO had as many as eight operating centers. The
Western, Lacon, and Pekin operating centers were closed in 1998. At that time, the Western
operating center and 75% of the Lacon operating center were consolidated in the Peoria
operating center. Similarly, the Pekin operating center and 25% of the Lacon operating center
were consolidated in the Eastern operating center.3
Due to IT system changes, AmerenCILCO was unable to access the actual records from the
past to provide historical data for the year end electric customers by operating center. In
addition, AmerenCILCO was only able to provide linemen contractor data on a total annual
basis for 1999-2006 and did not have information by operating center regarding where the
linemen contractors worked. AmerenCILCO was also able to confirm that it did contract work
between 1995 and 1998, but is unable to quantify the amount.
Outsourced crews are assigned work based on the area of need. An outsourced crew may work
in one operating center on a project or multiple projects until the projects are finished;
depending on the need, the crew may then be assigned a project or multiple projects in the area
of a neighboring operating center. Due to these inconsistencies in data and the consolidation of
operating centers, calculating the ratios by operating centers does not help draw any meaningful
conclusions. As a result, the linemen employee ratios are calculated based on the total
AmerenCILCO customers and linemen employees each year.
The Total Linemen In-house Employees is the sum of the employees in the following job
classifications: Underground Crew Leader, Underground Journeyman/Cable Splicer,
Underground Apprentice, Overhead Crew Leader, Overhead Journeyman, Overhead
Apprentice, Substation Crew Leader, Substation Journeyman, and Substation Apprentice.
Substation Supervisor and Overhead/Underground Supervisors are not included in the in-house
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