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