US Patent Issued to MALTA on Sept. 30 for "Pumped heat energy storage system with load following" (Massachusetts Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,989, issued on Sept. 30, was assigned to MALTA INC. (Cambridge, Mass.).

"Pumped heat energy storage system with load following" was invented by Benjamin R. Bollinger (Cambridge, Mass.) and Bao H. Truong (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method including: operating a pumped-heat energy storage ("PHES") system in a generation mode to generate electricity; and responsive, at least in part, to a determination that a power generation plant will reduce supply of electricity to an electrical grid by a reduction amount of electricity, changing modes of the PHES system from the generation mode to operate in a charge mode. Op...