This book covers the experimental results of Rotational Load Shedding using Programmable Logic Controller (PLC) and Supervisory Control and Data Acquisition System. PLC used in our project is: Siemens SIMATIC S7-1200 PLC, CPU 1214C AC/DC/RLY SIMATIC S7-1200 Power Module PM1207 Stabilized power supply. Brief description of Totally Integrated Portal (TIA) and its features are covered. Operation of PLC using Ladder Logic and Communication with SCADA is also explained in this book.