34Where information obtained by the Board concerning the costs of a person in relation to the operations of the person that are regulated under this or any other Act, or other information that is by its nature confidential, is obtained from such person in the course of performing the Board’s duties under this or any other Act, or is made the subject of an inquiry by any party to any proceeding held under the provision of this or any other Act, such information shall not be published or revealed in such a manner as to be available for the use of any person unless in the opinion of the Board such publication or revelation is necessary in the public interest.