Could compressed air energy storage scale?

GigaOM’s Katie Fehrenbacher reports that compressed air energy storage startup SustainX has produced a device capable of storing 1.6 megawatts. She writes: The company…..said the device is the world’s first megawatt-scale (1.6 MW) isothermal compressed air energy storage hardware. While air energy storage tech is decades old, there’s a new generation of startups working on new [...]