Following the municipality's receipt of the information provided by the public utility pursuant to paragraphs (1) or (2) of this subsection (b), if a question or issue arises that can only be addressed by accessing customer-specific or additional information not described in this Section, then the utility shall attempt to resolve the question or issue without disclosing any customer-specific information.
The time in which a public utility must provide the information requested under subsection (b) may be extended by an agreement between the municipality and the public utility.
"Customer-specific information" means the name, phone number, email address, and banking information of a customer. "Customer-specific information" includes the load-shape data associated with a customer account. "Customer-specific information" does not include the tax-exempt status of the premises and the name of tax-exempt customers.
"Premises-specific information" means any information, including billing and usage data, associated with a premises address that is not customer-specific information.
"Premises address" includes the jurisdiction to which the address is currently coded by the public utility for municipal tax purposes.
65 ILCS 5/8-11-2.5