In this chapter, the following terms have the meanings indicated. Terms Defined. “Curtail” means to decrease on-site electric power consumption from the grid by: Changing or shifting on-site electricity usage; Operating an on-site participating engine; or A combination of §B(1)(a) and (b) of this regulation. “Curtailment service provider (CSP)” means any person, as defined in Environment Article, §1-101(h), Annotated Code of Maryland, that enters a contract with the facility to administer a demand response program. “Demand response program” means a program that provides incentives to electricity consumers at a facility that curtails electricity usage. “Engine” means a stationary reciprocating internal combustion engine (RICE) or stationary internal combustion engine, subject to 40 CFR Part 63 Subpart ZZZZ and 40 CFR Part 60 Subparts IIII or JJJJ, as amended. “Facility” means a commercial, institutional, or industrial establishment that has on-site capability to generate electric power to be used internally to reduce on-site electric power consumption, to reduce the overall electric system demand, or for other purposes. “Participating engine” means an internal combustion engine located at a participating facility that is operated as part of a demand response program. “Participating facility” means a facility that has entered into a valid contract with a CSP to participate in a demand response program.