Illinois Commerce Commission On Its Own Motion -vs- North Shore Gas Company: Reconciliation of revenues collected under coal tar riders with prudent costs associated with coal tar clean-up expenditures.
North Shore Gas Company and Peoples Gas Light and Coke Company: Petition for an order approving amortization periods related to accounting treatment for pension and other post-employment benefits.
North Shore Gas Company and Peoples Gas Light and Coke Company: Petition for an order approving amortization periods related to accounting treatment for pension and other post-employment benefits.