T&D World Magazine
Microgrids

La Gomera is one of the smallest of the Canary Islands with an electrical grid that is stability-challenged because of its wind and solar generation. A 500-kW flywheel-based grid-stability system was installed to improve that grid. Courtesy of ABB.

Microgrids Are Everywhere

The key to the future of the grid is understanding microgrid technologies.

The more complicated the system, the easier it is to break. If that is not a correlation to Murphy’s Law, it should be, and the T&D industry could be the poster child for it. The electric grid has been supersized to the point it is groaning under its girth. Increased demand for more and better quality power has pushed the grid to its limits in both size and complexity.

What started out simply as regional islands of interconnected power networks has morphed over time into wha

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