OAK RIDGE, Tennessee, Feb. 5 -- The U.S. Department of Energy's Oak Ridge National Laboratory issued the following news release: Scientists at Oak Ridge National Laboratory and the University of Tennessee, Knoxville, have developed an algorithm to predict electric grid stability using signals from pumped storage hydropower projects. The method provides critical situational awareness as the grid increasingly shifts to intermittent renewable power. Hydropower is a renewable energy source directl  more