IL HB3104

Amends Section 5-104 of the Public Utilities Act regarding depreciation accounts for public utilities.

Adds new subsection (e) allowing gas public utilities serving more than 1,600,000 customers as of January 1, 2013 to alter annual depreciation rates if consistent with generally accepted accounting principles.

Requires gas utilities filing depreciation rate changes to submit testimony including a summary of causes for change, independent certified public accountant certification, the depreciation study, expected impact on depreciation expense, and all supporting work papers.

Mandates the Illinois Commerce Commission determine and fix proper depreciation rates for gas utilities within 120 days of filing, with new rates effective upon the utility's filing date.

Takes effect upon becoming law.