Hawaii Revised Statutes Division 1. Government § 269-101

(1) Located on the customer's premises;

(2) Operated in parallel with the utility's transmission and distribution facilities;

(3) In conformance with the utility's interconnection requirements; and

(4) Intended primarily to offset part or all of the customer's own electrical requirements.

(1) Net energy metering shall be accomplished using a single meter capable of registering the flow of electricity in two directions;

(2) An additional meter or meters to monitor the flow of electricity in each direction may be installed with the consent of the customer-generator, at the expense of the electric utility, and the additional metering shall be used only to provide the information necessary to accurately bill or credit the customer-generator, or to collect solar, wind turbine, biomass, or hydroelectric energy generating system performance information for research purposes;

(3) If the existing electrical meter of an eligible customer-generator is not capable of measuring the flow of electricity in two directions, the electric utility shall be responsible for all expenses involved in purchasing and installing a meter that is able to measure electricity flow in two directions;

(4) If an additional meter or meters are installed, the net energy metering calculation shall yield a result identical to that of a single meter; and

(5) An eligible customer-generator who already owns an existing solar, wind turbine, biomass, or hydroelectric energy generating facility, or a hybrid system consisting of two or more of these facilities, is eligible to receive net energy metering service in accordance with this part.