Illinois Administrative Code (Last Updated: March 27, 2024) |
TITLE83. PUBLIC UTILITIES |
PART791. COST OF SERVICE |
§791.30. Cost Causation Principle
Latest version.
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Costs shall be attributed to individual services or groups of services based on the following cost causation principle. Costs are recognized as being caused by a service or group of services if:
a) The costs are brought into existence as a direct result of providing the service or group of services; or
b) The costs are avoided if the service or group of services is not provided.