OPERATION_MODES
Confine the device’s power to one of several power ranges at every time step. Each operation mode declares a signed power range (positive is consumption, negative is production). This is useful for devices that cannot modulate their power freely, such as a device that is either off or running at some minimum power (or at one fixed power). Terminology and semantics follow the operation modes of the S2 standard. Declaring operation modes introduces binary decision variables into the optimization problem (making it a mixed-integer linear program), which may increase solve times.