reliable verified and timely data are available to the Administrator and the public under other statutory requirements. (d) Interrelationship with other systems (1) In general In developing the regulations issued under subsection (a), the Administrator shall take into account the work done by the Energy Information Administration and other mandatory Federal, State, or multistate programs to collect information that is similar to the information to be collected under this section. (2) Explanation Regulations issued under subsection (a) shall include an explanation of any major differences in information collected between the Federal thermal energy reporting program and information available from the Energy Information Administration and other mandatory Federal, State, or multistate programs to collect similar information. (e) Calculation of useful thermal energy output The Administrator and thermal reporting entities shall— (1) in the case of thermal reporting entities that have revenue-grade send out meters, calculate useful thermal energy output by using the data provided by those meters