In issuing its order pursuant to § 58-5-410, and in addition to the other requirements of § 58-5-240, if a proceeding pursuant to that section is required:

(1) the commission shall specify a range for the utility’s cost of equity that includes a band of fifty basis points (0.50 percentage points) below and fifty basis points (0.50 percentage points) above the cost of equity on which rates have been set; and

(2) the commission separately shall state the amount of the utility’s net plant in service, construction work in progress, accumulated deferred income taxes, inventory, working capital, and other rate base components. It also shall state the utility’s depreciation expense, operating and maintenance expense, income taxes, taxes other than income taxes, other components of income for return, revenues, capital structure, cost of debt, overall cost of capital, and earned return on common equity. The figures stated shall be those which the commission has determined to be the appropriate basis on which rates were set in the applicable orders.