ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,199, issued on Jan. 13, was assigned to ENERGY FUTURE INC..

"Systems and methods for modular pumped storage hydropower" was invented by Brian Raine (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular pumped storage hydropower system may include a shaft having a first end located opposite a second end. A reservoir is connected to the first end of the shaft. The second end of the shaft is configured to be located under a surface of ground. The second end of the shaft has a first compartment and a second compartment. The first compartment retains a pump assembly having an inlet in hydro communication with the second compartment. The secon...