They claim their ramp is faster than pumped storage, ramp is an ancillary service here. Also being smaller than pumped storage means they can be optimized to re

They claim their ramp is faster than pumped storage, ramp is an ancillary service here. Also being smaller than pumped storage means they can be optimized to respond to smaller ancillary service requirements. In general there is no silver bullet for the electricity system, rather, a better metaphor is a stack. This tech might fit one space in the stack.