Indiana Code Title 8. Utilities and Transportation § 8-1-2-78

(a) the acquisition of property, material, or working capital;

(b) the construction, completion, extension, or improvement of its facilities, plant, or distributing system;

(c) the improvement of its service;

(d) the discharge or lawful refunding of its obligations;  or

(e) the reimbursement of its treasury for money actually expended from income, or from any other money in the treasury of the public utility, for such purposes, not secured or obtained from the issue of stock, bonds, notes, or other evidence of indebtedness of such public utility, where the applicant shall have kept its accounts and vouchers of such expenditures in such manner as to enable the commission to ascertain the amount of money so expended and the purpose for which such expenditure was made.