Illinois Administrative Code
Title 83 - PUBLIC UTILITIES
Part 285 - STANDARD INFORMATION REQUIREMENTS FOR PUBLIC UTILITIES AND TELECOMMUNICATIONS CARRIERS IN FILING FOR AN INCREASE IN RATES
Subpart I - PLANNING AND OPERATIONS SCHEDULES FOR GAS AND/OR ELECTRIC UTILITIES
Section 285.6100 - Schedule F-4: Additions to Plant in Service Since the Last Rate Case

Current through Register Vol. 48, No. 12, March 22, 2024

a) Provide information concerning plant additions included in rate base on Schedule B-1 that are not currently in the rate base ordered in the utility's most recent rate proceeding. The number of projects for which information must be provided is the lower of the 30 most costly additions or the number of additions whose cost is greater than that shown in the table below. For multi-jurisdictional utilities, the cost of the addition shall be considered on the basis of total company cost, by type of utility. The supporting work papers shall include the reports included in response to subsection (b)(7).

UTILITY NET PLANT

(From most recent ILCC Form 21, pages 200-201)

Minimum Cost of Project for which information need be provided in Section 285.6100

ELECTRIC UTILITIES

GAS UTILITIES

Equal to or greater than $1 billion

Higher of 0.1 % of net plant or $2,000,000

Lower of 0.2 % of net plant or $10,000,000

Greater than $50 million but less than $1 billion

$1,000,000

Higher of 0.2% of net plant or $1,000,000

$50 million or Less

$100,000

$100,000

b) Information provided for the top ten most costly additions shall include:

1) Description of addition;

2) Date project started;

3) Completion date;

4) Completion cost;

5) Reason for the project;

6) Alternatives considered and the reasons for rejecting each alternative; and

7) List of reports relied upon by management when deciding to pursue the rate base addition.

c) Information provided for the next 20 most expensive additions to rate base shall include:

1) Description of addition;

2) Completion cost; and

3) Reason for the project.

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