Security management | Personnel safety accident | The number of Personal events over 4 level |
|
| The total number of personal deathevents |
|
| The total number of personal injury accident |
| Power Grid Accident | Responsible serious accident in power grid |
|
| Cable misoperation of over 10 kV accident |
|
| Substation accident rate |
|
| Transmission accident rate |
| Equipment accident | Equipment accident rate |
Reliability | Power equipment failure rate |
|
| Large scale blackout times |
|
| The average outage time |
|
Grid maintenance | Transport inspection performance | Timely elimination rate of serious defects |
| State maintenance | The coverage rate of equipment maintenance |
| Heavy Repair and Technical Improvement | The completion rate of technical transformation investment plan |