"sustained energy" is a correct and usable part of a sentence in written English.
You can use it to refer to a continuous, long-lasting form of energy. For example, "The athlete's sustained energy throughout the race was impressive".
Peter Coleman-Wright presents Harry's erratic spiritual journey with sustained energy.
The part of Fiordiligi includes two arias of vaulting athleticism, sustained energy and deep emotion.
Dave Jelley, North Yorkshire When looking for sustained energy for long bouts of exercise, you want foods that will digest over a longer period of time.
This assortment of diverse tracks offered a series of thrills but no sustained energy; every few minutes, the party would end, only to begin again.
Bipedal stance and parasagittal gait are not sustained in any living ectotherm, perhaps because they require a relatively higher level of sustained energy.
The crime novelist Elmore Leonard, in an introduction to the paperback edition of the book in 1983, wrote, "There is more sustained energy in the telling of what he remembered than in any novel I've ever read".
This article focuses on the physics of the fusion reaction and on the principles of achieving sustained energy-producing fusion reactions.
"We want to sustain energy in that area, too," he said.
Not only are they very nutritious, their high-protein nature is great for sustaining energy and keeping hunger at bay for extended periods of time.
Mr. Berman is a clear projector of phrases and articulator of complex textures; he also has in him a nice sense for lines that draw sustaining energy from the syncopations of remembered jazz.
It is hard to sustain energy across such an extensive menu, which might explain the almost candied edge to the lamb meatballs, or why a vivid topping of blue crab, lime and butter gives way to a cloying corn flan.
