Consumers’ public utility records are open. See 5 ILCS 140/2.5 (stating that records regarding the receipt and use of public funds are open). But exempt are (1) maps and other records regarding the location or security of generation, transmission, distribution, storage, gathering, treatment, or switching facilities owned by a utility, by a power generator, or by the Illinois Power Agency; and (2) information contained in or related to proposals, bids, or negotiations related to electric power procurement under Section 1-75 of the Illinois Power Agency Act and Section 16-111.5 of the Public Utilities Act that is determined to be confidential and proprietary by the Illinois Power Agency or by the Illinois Commerce Commission. 5 ILCS 140/7(1)(x), (y).