In this chapter, the following terms have the meanings indicated. Terms Defined. “Administration” means the Maryland Energy Administration. “Capacity factor” means the ratio of actual energy output compared with the maximum possible energy output over a specified period of time. “Commercial property” means nonresidential property with a commercial, industrial, or government use as outlined in the qualifications for the Commercial Clean Energy Grant Program in COMAR 14.26.04.02 and includes multifamily properties. “Corporation” has the meaning stated in Tax-General Article, §10-101(c), Annotated Code of Maryland. “Energy density” means the amount of energy that can be stored in the given mass of the system. “Energy markets” mean wholesale electricity markets hosted by PJM Interconnection. “Energy storage duration” means duration at rated power. “Energy storage systems income tax credit” means a decrease in income tax liability offered to assist an individual or corporation in installing an energy storage system. “Energy storage system power density” means the rate of energy flux per unit of area of the energy storage system. “Individual” has the meaning stated in Tax-General Article, §10-101(g), Annotated Code of Maryland. “Installation date” means the date when the energy storage system was installed on the property and operational, not when the final permits were completed. Residential Property. “Residential property” means property, including a single-family home and an individual unit of a multifamily property or mixed use facility, that has the purpose of serving as a primary residence, as outlined in COMAR 14.26.04.02 “Residential property” includes a property with a home office.