R.I. Gen. Laws § 39-33-2: Storage tariff.

No later than September 1, 2024, the public utilities commission shall engage stakeholders to adopt a framework for an energy storage system tariff for energy storage systems connected to the electric distribution system.

(1) The tariff framework should, at a minimum, address the ability of energy storage systems to charge from and discharge to the electric distribution system.

(2) The commission shall set a schedule that is designed to result in a model tariff no later than May 1, 2025, consistent with the tariff framework.

(3) Following that date, if the commission finds that the energy storage system tariff can be implemented without inequitable cross subsidization between customers, each electric distribution company as defined in § 39-1-2 that has greater than one hundred thousand (100,000) customers shall file the model tariff for review and approval by the public utilities commission in a contested proceeding. Otherwise, the model tariff shall be included as part of the electric distribution company’s next general rate filing.