Conn. Gen. Stat. § 7-233l: Rates.

A municipal cooperative is hereby authorized to fix, establish, maintain and collect, or to authorize, by contract, franchise, lease or otherwise, the establishment, levying and collection of, such rates, fees, rental or other charges, including connection charges, for the services afforded by the municipal cooperative or by or in connection with any properties which it may construct, erect, acquire, own, operate or control, and for the sale of electric energy or transmission capacity or service as it may deem necessary, proper, desirable and reasonable, which said rates, fees, rentals or other charges shall be fixed and established by the municipal cooperative in the manner prescribed in the following section hereof.