199—17.7 (476) Funding of Iowa energy center and global warming center. The board will send a bill to each gas and electric utility for funding the Iowa energy center and global warming center. Within 30 days of receipt of the bill, each gas and electric utility shall remit to the utilities division of the department of commerce a check made payable to the treasurer of state for one-tenth of one percent of the total gross operating revenue during the last calendar year derived from its intrastate public utility operations for the funding of the Iowa energy center and global warming center. This remittance shall not be represented on customers’ bills as a separate item.