Life-cycle cost analysis for utility combinations handbook : departmental staff and program participants.

"December 1985."

Mt. Carmel Public Utility Company workforce study analysis /

"December 4, 2008"

Current utility labor agreements, analysis and comment. -- --

Kept up-to-date.

The Illinois statewide electric utility plan /

Under the Illinois Public Utilities Act, the Department is required to assess, biennially, electricity demand and supply for three futures over the period 1989 - 2010.

The Illinois statewide gas utility plan, 1990-2000 /

"Printed: February 1990."