A microgrid is a small-scale power grid that can operate independently or in conjunction with the area's main electrical grid. Any small-scale localized station with its own power resources, generation and loads and definable boundaries qualifies as a microgrid.
A microgrid is an electrical system that includes multiple loads and distributed energy resources that can be operated in parallel with the broader utility grid or as an electrical island.
IEEE Std 1547.4-2011 defines Distributed Resource (DR) island systems or microgrids as Electric Power Systems (EPS) that:
(1) have DR and load,
(2) have the ability to disconnect from and parallel with the area EPS,
(3) include the local EPS and may include portions of the area EPS, and
(4) are intentionally planned.
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