An anonymous reader writes: From IEEE spectrum: Last week General Electric launched a set of 60 Hz gas turbines, intended for use in the U.S., Japan, Saudi Arabia, and elsewhere, these Flex Efficiency turbines represent a new generation of gas turbine technology, the first totally new design since the late 80s. Eric Gebhardt said, a 750 megawatt system can reduce its power output to about 100 megawatts in about 6 and a half minutes and come back up again just as fast; previous facilities could only dial back to about 200 megawatts without fully shutting down and took several minutes longer to come back up.
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