Definitions. — Guam Code § 8502

§ 8502. Definitions.

(a) “Customer-generator” means a user of a net metering system.

(b) “Net Metering” means measuring the difference between the electricity supplied by a utility and

the electricity generated by a customer-generator which is fed back to the utility over the applicable billing

period.

(c) “Net Metering System” means a facility for the production of electrical energy that:

(1) uses fuel cells, microturbines, wind, biomass, hydroelectric, solar energy or a hybrid system

consisting of these facilities, as its primary source of fuel;

(2) has a generating capacity limited to the following, provided, however, that the rated capacity

of the renewable energy generation does not exceed the customer-generator power service entrance

capacity:

(A) not exceed twenty-five (25) kilowatts for Guam Power Authority residential class

customers; and

(B) not exceed five hundred (500) kilowatts for Guam Power Authority non-residential class

customers provided that:

(i) non-residential class customers add and maintain not less than one (1) full hour of

battery backup if the non-residential class customer exceeds two hundred-fifty (250)

kilowatts;

(ii) prior to authorizing additional solar power capacity of more than two hundred-fifty

(250) kilowatts, the Guam Power Authority shall certify the non-residential class customer

has installed a suitable battery back up system consistent with the requirements, supra.

(C) This Subsection is only applicable to solar energy systems located on, or co-located for

the benefit of GDOE owned schools, GDOE leased schools, GDOE administrative, and GDOE

ancillary buildings. Guam Power Authority public school customers under third party owned solar

energy power systems may exceed net metering capacity limitation as long as there is no

demonstrated adverse impact on Guam Power Authority’s transmission and distribution system,

and does not exceed eighty percent (80%) of GPA’s current billing charges. Any contract issued

under this item shall be under net metering as defined as a one to one exchange of energy as

currently adopted by the GPUC.

(3) is located on the customer-generator’s single contiguous premises and does not serve loads

outside the customer-generator’s single contiguous premises;

(4) operates in parallel with the utility’s transmission and distribution facilities; and

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(5) is intended primarily to offset part or all of the customer-generator’s requirements for

electricity.

(d) “Utility” means a public utility that supplies electricity on Guam.