In power, microgrid: the proposal for the provision of electricity service in the unserved and underserved areas, submitted by an MGSP Proponent to the NPC, which is not in response to a solicitation or requested issued by the latter [Section 4.30, DOE Department Circular No. DC2022-05-0017, Rules and Regulations to Implement Republic Act No. 11646 (Microgrid Systems Act)]