In this chapter, the following terms have the meanings indicated. Terms Defined. “Aggregation Plan” means a plan prepared by a county seeking Commission approval to become a CCA pursuant to Public Utilities Article, §7-510.3, Annotated Code of Maryland. “Aggregation Supplier” means an electricity supplier licensed by the Commission that has contracted with a county to provide electric supply service to the CCA residential and small commercial electric accounts within the county. “CCA Basic Service” means the electric supply service a CCA customer receives if the customer does not select a CCA Optional Service. “CCA Optional Service” means one or more supply services a customer enrolled with a CCA may elect to receive. “Commission” means the Public Service Commission of Maryland. “Community Choice Aggregator (CCA)” has the meaning stated in Public Utilities Article, §1-101(f), Annotated Code of Maryland. “County” means a county authorized per Public Utilities Article, §7-510.3(c), Annotated Code of Maryland, to form a CCA. “Customer” means a regulated utility retail electric customer account holder. “Cybersecurity breach” means any unauthorized act that has been confirmed to result in access to acquisition, control, destruction, disclosure, or modification of a CCA’s information technology systems. “Drop” means the removal of a customer from a supplier’s service. “Electric company” has the meaning stated in Public Utilities Article, §1-101, Annotated Code of Maryland. “Electric storage facility” has the meaning stated in Public Utilities Article, §1-101(k), Annotated Code of Maryland. “Electricity supplier” has the meaning stated in COMAR 20.51.01.02B(10). “Electronic transaction” means a standardized data protocol or electronic transmission medium that has been accepted by the Commission for use in Maryland. “Enrollment” means the assignment by an electric company of an electric retail customer account to electricity supply service. “Good cybersecurity practice” means cybersecurity plans that are designed, implemented, maintained, and operated in accordance with an accepted industry cybersecurity standard and in compliance with all applicable State requirements in Commercial Law Article, §§14-3503—14-3508, Annotated Code of Maryland. “Information technology system” means hardware and software related to electronic processing, and storage, retrieval, transmittal, and manipulation of data. “Opt-out” means the act of a customer choosing not to participate in the CCA’s Basic Service electricity supply service for one or more of its accounts. “Program termination” means the cessation of all CCA electric supply service to all CCA customers. “Residential electric customer” means a customer served under one or more of an electric company’s residential electric tariffs. “Small commercial electric customer” means a commercial customer that has a peak electric load of not more than 25 kilowatts and includes master-metered multiple occupancy residences that have a peak electric load of not more than 25 kilowatts. “Standard Offer Service (SOS)” has the meaning stated in Public Utilities Article, §7-501, Annotated Code of Maryland. “Transition period” means the period during which a CCA initially enrolls customers after providing customers the opportunity to opt out of the CCA, per COMAR 20.63.04.01. “Utility consolidated billing” means the process by which an electric company renders to customers’ bills that include both unregulated retail supply charges on behalf of a retail supplier and the electric company’s regulated charges. “Written notice” means a notice made in writing and includes a notice transmitted by mail, facsimile, electronic mail, or other electronic means. “Written request” means a request made in writing and includes a request transmitted by mail, facsimile, electronic mail, or other electronic means. Electric companies shall maintain existing arrangements for landlord-tenant service agreements which may not be affected by a CCA Pilot Program. Public Utilities Article, §§1–101(b), (f), and (k), 7–306(f)(5) and (h), 7–306.2(d)(3), 7–507(a), 7–510(f) and 7–510.3, Annotated Code of Maryland Effective date: February 5, 2024 (51:2 Md. R. 76)