| Traditional Power Grid |
Smart Grid |
| It has Electromechanical system |
It has digital system |
| It operates with estimated reliability |
It operates with predictive reliability |
| Manual maintenance and monitoring |
Self-monitoring |
| Monitoring, protection,and control systems are limited |
It uses WAMPAC and Adaptive protection systems |
| Centralized generation |
Distributed generation |
| Solid state based relays |
Microprocessor based relays |
| Manual recovery |
Automatic and self-healing capability |
| Manual device monitoring |
Remote device monitoring |
| half duplex and local full duplex communication |
Integrated and global full duplex communication |
| Delimited control system |
Ubiquitous control system |
| Limited Customer choices |
Large amount of customer choices |
| Less integrated and limited market for new products and services |
Well Integrated and vast markets |
| No importance for power quality |
Gives priority to power quality for digital economy |
| Inefficient management of operational data and assets |
Efficient in data management and assets |
| Very limited amount of sensors |
Large amount of sensors |
| No energy storage |
Energy storage |
