CDEGS, MALT, MALZ and the other companion programs are the product of Safe Engineering Services of Montreal. Many of the larger utilities use it, as it handles a wide variety of scenarios.
Deke
Pumpd storage plants require that the unit be shut down and restarted in the opposite direction; the larger ones sometimes use a pony motor and liquid rheostat to bring them up to speed in the pump direction.
Deke1