| User | Reliability | *Average customer interruption times (million users) |
| Rural users average outage time | ||
| City users average outage time | ||
| Quality | The qualified rate of user voltage | |
| The qualified rate of user frequency | ||
| Rural users average electricity outage time | ||
| City user average electricity outage time | ||
| *The average voltage drop times | ||
| *Average instantaneous interruption times | ||
| Economy | The average load rate | |
| *The average user outage loss (reduced income from outage) |