(A) The Public Service Commission is vested with power and jurisdiction to supervise and regulate the rates and service of every public utility in this State and to fix just and reasonable standards, classifications, regulations, practices, and measurements of service to be furnished, imposed, or observed, and followed by every public utility in this State.
(B) The Commission shall develop and publish a policy manual which shall set forth guidelines for the administration of the Commission. All procedures shall incorporate state requirements and good management practices to ensure the efficient and economical utilization of resources.
(C) The Commission shall facilitate access to its general rate request orders in contested matters involving over one hundred thousand dollars by publishing an order guide which indexes and cross-references such orders issued after the effective date of this act by subject matter and case name. The order guide must be made available for public inspection.
(D) The Commission is authorized to and shall promulgate regulations to require the direct testimony of witnesses appearing on behalf of utilities, and of witnesses appearing on behalf of persons having formal intervenor status, to be reduced to writing and prefiled with the Commission in advance of any hearing.
(E) Nothing in this section may be interpreted to repeal or modify specific exclusions from Public Service Commission jurisdiction found in Title 58 or any other titles.