R.I. Gen. Laws § 44-38-2: Energy conservation grant.

An owner or renter of a residential dwelling where the dwelling is the owner’s or renter’s principal residence, and where the owner is age sixty-five (65) or over and who is not required under provisions of existing tax law to file with the Rhode Island department of revenue, division of taxation, a state income tax return or a federal income tax return with the internal revenue service or who does not receive a tax rebate for energy conservation, is eligible for a one time energy conservation grant of fifty percent (50%) of any sums expended for the purchase and installation of energy conservation items as prescribed in § 44-38-3 for use in the dwelling. The grant shall not exceed two hundred dollars ($200).