Unit: min/household‧year

Note: The red dots indicate that major outage events occurred in those years. The annual SAIDI (System Average Interruption Duration Index) and SAIFI (System Average Interruption Frequency Index) values should include the additional values from these major incidents.

1. On August 15, 2017, a major outage occurred due to a gas supply interruption by CPC Corporation, Taiwan. The SAIDI resulting from this event was 32.572(mins/household.year).
2. On May 13 and 17, 2021, major outages occurred. The combined SAIDI resulting from these events was 43.516(mins/household.year).
3. On March 3, 2022, a major outage occurred. The SAIDI resulting from this event was 91.285(mins/household.year).