The A-level Maintenance of Unit 3 of CHMC Cambodian Tatay Hydropower Station, started from March 16, 2024, lasted for 61 days, and entered 72-hour trial operation at 18:35 local time on May 15, with all data indicators of the unit qualified and reached the expected goals.

In order to ensure the efficient promotion of maintenance work, Tatay Hydropower attaches great importance to and rigorously deployed, develops more than 300 maintenance items and more than 1,000 quality supervision points according to the pre-repair operating conditions of Unit 3 and the statistical list of defects, adheres to the principle of "which should be repaired and should be repaired properly", regularly holds maintenance coordination meetings, and accurately controls maintenance task nodes. Scientific control of maintenance personnel and maintenance project procedures. During the maintenance period, when the local Cambodian history of rare high temperature weather, maintenance personnel adhering to the "collective efforts to create high-quality maintenance projects, united efforts to complete the maintenance task" concept, fight high temperatures, carry forward the "fight hardship, fight fatigue" spirit of hard work, overtime to promote the orderly maintenance work.

The successful completion of the A-level maintenance of Unit 3 marks the successful completion of the annual maintenance of Tatay Hydropower Station, laying a solid foundation for Tatay Hydropower Station to achieve the power generation task in 2024.