Cal. PUC § 8376

For purposes of this chapter, the following definitions apply:

(a) (1) “Decarbonization charge” means a charge that is added to the billing for service associated with the electrical meter, or other measuring device, under the control of an energy supplier located at the subscriber property where a decarbonization upgrade is located, and that is collected in order to pay for a decarbonization upgrade.

(2) If an energy supplier is a gas corporation, as defined in Section 222, “decarbonization charge” shall be limited to a charge for measures that provide a measurable reduction in natural gas consumption and associated greenhouse gas emissions.

(b) “Decarbonization upgrade” means all of the following:

(1) A change to a subscriber property that reduces the demand for energy from an energy supplier.

(2) A change to a subscriber property that allows for storage of energy.

(3) A change to a subscriber property that reduces the use of fossil fuels.

(4) A change to a subscriber property that converts water, wind, or sunlight to usable electricity.

(c) “Energy supplier” means any of the following:

(1) An entity that offers an electricity product for sale to retail consumers in California, including an electrical corporation, local publicly owned electric utility, electric service provider, and community choice aggregator.

(2) Any private corporation or association organized for purposes of transmitting or distributing electricity exclusively to its stockholders or members at cost, including an electrical cooperative.

(3) A gas corporation, as defined in Section 222.

(d) “Subscriber” means a person or entity that purchases energy or energy services from an energy supplier and is billed for the energy or energy services by the energy supplier, either directly or by another entity on behalf of the energy supplier.

(e) “Subscriber property” means residential, commercial, industrial, agricultural, or other real property owned, leased, or licensed for occupancy by the subscriber.