Real-time power supply and demand balances are critical to ensure stable power frequency and quality power services. However, the growing integration of renewable energy increasingly challenges the ...

Power stored by flywheels, long a mainstay for uninterruptible power systems (UPS), has never been used for grid applications. That could change, according to California Energy Commissioner Art ...

Many observers feel that energy storage has the potential to be one of the ‘next big things.’ A number of companies are working hard at developing and deploying storage technologies, and raising money ...

Beacon Power Corporation has announced that the New York State Energy Research and Development Authority and the U.S. Department of Energy have confirmed the successful outcome of field trial testing ...

From the Magazine Inertia, frequency regulation and the grid The old system of regulating frequency on electricity grids with the help of the inertia provided by large spinning masses is under threat ...

Unsubsidised, commercial solar-plus-storage projects of the type being executed in Puerto Rico could demonstrate how to overcome many of the challenges imminent for the world’s PV markets, according ...