In this part the following words have the meanings indicated. “District energy system” means an underground infrastructure asset whose primary purpose is to provide thermal energy to multiple buildings from a central energy plant or plants. “Duplicative interconnection request” means an interconnection request that: is substantially similar to another interconnection request submitted by the large load customer or the customer’s parent company or affiliate; is submitted to an electric company in the State or in another state in the PJM region; and if progressed further through the interconnection process, would cause the large load customer to materially change, delay, or withdraw the applicable interconnection request. “Incremental resources” includes one or a combination of the following facilities and resources, located within the applicable locational deliverability area: behind–the–meter energy storage facilities; newly interconnected energy storage facilities; and purchasing or establishing nonemitting resources within the locational deliverability area, including: new clean energy generation assets; new virtual power plant aggregations; and a demand response program that the Commission determines meets the goals established under § 7–234 of this subtitle, including programs administered by PJM. “Large load customer” means a commercial or industrial customer for retail electric service that: has or is projected to have an aggregate monthly demand of at least 25 megawatts; and has or is projected to have a load factor of more than 60%. “Large load customer” does not include a commercial or industrial customer for retail electric service whose primary purpose is to operate as: a water company or sewage disposal company; a manufacturing facility; a hospital; a district energy system; an agricultural facility; or at the discretion of the Commission, another industrial facility. “Manufacturing facility” means a facility where the process of substantially transforming, or a substantial step in the process of substantially transforming, tangible personal property into a new and different article of tangible personal property by the use of labor or machinery occurs. “On–site backup generating facility” means a generating facility that is not connected to the electric system. “Virtual power plant” means an aggregation of distributed clean energy resources and energy storage owned by a customer or a third party that: provides electric system services; and may be used by the customer or the third party for other applications when not providing electric system services. “Voluntary clean capacity rating program” means the program developed by the Commission under § 7–234 of this subtitle.