A transmission and distribution utility shall not sell, share, or disclose information generated, provided, or otherwise collected from an advanced metering system or meter information network, including information used to calculate charges for service, historical load data, and any other customer information; except the transmission and distribution utility may share such information with an affiliated corporation as defined in § RSA 25.5 of this title (relating to Definitions), or other third-party entity, if the information is to be used only for the purpose of:
16 Tex. Admin. Code § 25.500