In power, microgrid: the operation of grid-tied microgrid systems whose generation facility or DPG is able to operate in the same frequency at its connection point to the distribution system of a DU, and allows the grid-tied microgrid system to supply or draw power from the grid [Section 4(s), Microgrid Systems Act of 2022; Section 4.26, DOE Department Circular No. DC2022-05-0017, Rules and Regulations to Implement Republic Act No. 11646 (Microgrid Systems Act)]