Allow alternative rate plans for certain natural gas companies

To amend sections 4909.042, 4909.05, 4909.06, 4909.07, 4909.08, 4909.15, 4909.156, 4909.159, 4909.173, 4909.174, 4909.18, 4909.421, 4928.01, and 4928.05 and to enact sections 4909.157, 4909.182, 4929.052, 4929.053, 4929.054, 4929.055, 4929.056, 4929.057, and 4929.058 of the Revised Code to allow for alternative rate plans for natural gas companies to serve large load customers and to make changes to the process of valuating property for certain public utilities.