When did microgrid technology start

When was the first microgrid built?

According to Pike Research, the first “modern industrial microgrid in the United States was a 64 MW facility constructed in 1955 at the Whitling Refinery in Indiana,” but most people are not aware the concept is much older. The microgrid concept dates back to the beginning of our industry.

What is a stand-alone microgrid?

A stand-alone microgrid or isolated microgrid, sometimes called an "island grid", only operates off-the-grid and cannot be connected to a wider electric power system. They are usually designed for geographical islands or for rural electrification.

What is a microgrid?

An EU research project describes a microgrid as comprising Low-Voltage (LV) distribution systems with distributed energy resources (DERs) (microturbines, fuel cells, photovoltaics (PV), etc.), storage devices (batteries, flywheels) energy storage system and flexible loads.

When did standardized protocols become available for reconnection of microgrid systems?

It wasn’t until the IEEE approved standard 1547.4 in 2011, that standardized protocols became available for safe intentional islanding and reconnection of microgrid systems. IEEE 1547.4 includes guidance for planning, design, operation, and integration of distributed resource island systems with the larger utility grid.

Who owns a microgrid?

According to Navigant Research , the majority of grid-tied microgrids today are owned and financed by facility owners, especially in the campus/institutional category. It is important to recognize that microgrids, especially community microgrids, can utilize the existing distribution system infrastructure, radically reducing their costs.

Is a microgrid considered an Electric Corporation?

A microgrid is likely to be considered an electric corporation if it intends to serve multiple, otherwise unrelated, retail customers, cross a public way with power lines, and/or obtain a franchise from a local authority. The reasons for this conclusion are discussed below in more detail.