In response to the load control signal, the controller interrupts supply of power from the power system to the first load, thereby reducing {HEAD ~ demand} on {TAIL ~ the power system} 
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In response to the load control signal , the controller interrupts supply of power from the power system to the first load , thereby reducing { HEAD ~ demand } on { TAIL ~ the power system }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL