All the power stations and major sub-stations are connected to SLDC through PLCC / V-SAT. 60 RTUs have been provided at Generators / major 220 kV S/Ss which help in transmitting the data to control room. Data relating to Generation / Voltage / MW flow in important lines / Net EREB drawal are being displayed through Man-Machine-Interface ( MMI ) installed in the control room of SLDC.