PC Communication Enabled Load Manager is provided with sliding window with TOD facility. The Load Manager facilitates controlling of up to three independent loads by continuously monitoring the demand. The Load Manager has RS 485 serial port with MODBUS RTU/ASCII protocol to communicate with PC thereby providing an ideal source for effective energy management. PC Communication Enabled Load Manager comes under SYCON 4600-ST model and protects the overshoot of demand from the sanctioned demand.