R.I. Gen. Laws § 39-4-10
If, upon a hearing and investigation had under the provisions of this chapter, the division of public utilities and carriers shall find that any regulation, measurement, practice, act, or service or any public utility is unjust, unreasonable, insufficient, preferential, unjustly discriminatory, or otherwise in violation of any of the provisions of chapters 1 - 5 of this title, or that any service of the public utility is inadequate, or that any service that can be reasonably demanded cannot be obtained, the division shall have power to substitute therefor other regulations, measurements, practices, service, or acts, and to make the order respecting, and the changes in the regulations, measurements, practices, service, or acts, as shall be just and reasonable, and the power to order refunds as provided for in § 39-3-13.1.
R.I. Gen. Laws § 39-4-10