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Electrical Maintenance Section
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2026 plan
Today
Schedule
399
Performance
Equipment
Data quality
189
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Schedule
2025 preventive maintenance plan (archived)
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Year
Jan
0
0/36
36
Feb
0
0/63
63
Mar
0
0/46
46
Apr
0
0/38
38
May
0
0/46
46
Jun
0
0/43
43
Jul
0
0/62
62
Aug
0
0/48
48
Sep
0
0/35
35
Oct
0
0/35
35
Nov
0
0/71
71
Dec
0
0/46
46
Plan
2026 plan (current)
2025 plan
2023 plan
2020 plan
2019 plan
Generating unit
All units
54G1
54G2
54G3
54G4
Station-wide
Category
All categories
Monthly
Quarterly (Unit)
Quarterly (Auxiliary)
Outside Services
Semi-annual (Auxiliary)
Annual
Level A
Status
Any status
Overdue
Not started
In progress
Completed
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62 tasks
in July 2025
62 overdue
Newest first
Oldest first
Monthly
Quarterly (Unit)
Quarterly (Auxiliary)
Outside Services
Semi-annual (Auxiliary)
Annual
Level A
54G1 Annual Mtce
54G1
0/22 done
Annual
3 days
Restoration
Jul 30
EXPIRED
· 412d overdue
Not started
Power Transformer (Final Works)
Jul 29
EXPIRED
· 413d overdue
Not started
Stator (Final Works)
Jul 28
EXPIRED
· 414d overdue
Not started
Switchyard Equipment(Sawla Bay)
Jul 25
EXPIRED
· 417d overdue
Not started
Rotor
Jul 24 – Jul 25
EXPIRED
· 418d overdue
Not started
Stator
Jul 24
EXPIRED
· 418d overdue
Not started
Excitation Panels
Jul 24
EXPIRED
· 418d overdue
Not started
Collector Housing
Jul 23
EXPIRED
· 419d overdue
Not started
Station Service Switchgears(3S Bus)
Jul 23
EXPIRED
· 419d overdue
Not started
Unit 3 Auxiliary Power Panels
Jul 22
EXPIRED
· 420d overdue
Not started
Cooling Water Pump/Control
Jul 22
EXPIRED
· 420d overdue
Not started
Intake Gate Hoist Control/ Motor
Jul 21
EXPIRED
· 421d overdue
Not started
Leakage Oil Tank Motor
Jul 21
EXPIRED
· 421d overdue
Not started
Head Cover Pump Motors
Jul 18
EXPIRED
· 424d overdue
Not started
Dust Suction Pump Motors
Jul 17
EXPIRED
· 425d overdue
Not started
Governor Pump/Control Panels
Jul 17
EXPIRED
· 425d overdue
Not started
Potential Transformers (PT)
Jul 16
EXPIRED
· 426d overdue
Not started
Neutral Ground Transformer
Jul 15 – Jul 16
EXPIRED
· 427d overdue
Not started
Generator Circuit Breaker
Jul 14 – Jul 15
EXPIRED
· 428d overdue
Not started
Excitation Transformer
Jul 10 – Jul 11
EXPIRED
· 432d overdue
Not started
Station Service Transformer
Jul 9
EXPIRED
· 433d overdue
Not started
Power Transformer (54T3)
Jul 7
EXPIRED
· 435d overdue
Not started
Quarterly Maintenance on the Maintenance Power Panels
0/6 done
Quarterly
1 day
Panels @ Dam Gallery and Intake
Jul 22
EXPIRED
· 420d overdue
Not started
Panels @ Turbinette
Jul 22
EXPIRED
· 420d overdue
Not started
54G2 3rd Quarterly Mtce
54G2
0/11 done
Quarterly
1 day
Power Transformer 54T2
Jul 21
EXPIRED
· 421d overdue
Not started
Station Service Switchgears (2S Bus)
Jul 20
EXPIRED
· 422d overdue
Not started
Quarterly Maintenance on Utility Systems
0/2 done
Quarterly
1 day
Street Light Control Boxes P,Q,R,S,T
Jul 18
EXPIRED
· 424d overdue
Not started
Street Light Control Boxes K,L,M,N,O
Jul 18
EXPIRED
· 424d overdue
Not started
Quarterly Maintenance on Permanent Water System
0/2 done
Quarterly
1 day
Feeder Pillar for Permanent Water Supply System
Jul 16
EXPIRED
· 426d overdue
Not started
Motors for Permanent Water Supply System
Jul 16
EXPIRED
· 426d overdue
Not started
Quarterly Maintenance on Plant Auxiliaries
0/4 done
Quarterly
1 day
Dam Area Switchgears
Jul 15
EXPIRED
· 427d overdue
Not started
Compressed Air System
Jul 15
EXPIRED
· 427d overdue
Not started
Semi-annual Maintenance on Spillway Hoist Motors
EXPIRED
· 439d overdue
Not started
Semi-annual (Bi-annual)
Jul 3 – Jul 4
2 days
Maintenance on Tsatsadu Generating Station
EXPIRED
· 440d overdue
Not started
Quarterly
Jul 2 – Jul 4
3 days
Monthly Inspections on Units #1, #2 and #3 Cooling Water Switchgears
EXPIRED
· 440d overdue
Not started
Monthly
Jul 2
1 day
Monthly Inspections at the Switchyard
EXPIRED
· 440d overdue
Not started
Monthly
Jul 2
1 day
Monthly Inspections on Plant, Switchyard and Turbinette Lighting System
EXPIRED
· 440d overdue
Not started
Monthly
Jul 2
1 day
Monthly Battery Maintenance
0/10 done
Monthly
1 day
Emergency Diesel Generator Batteries @ Executive House
Jul 1 – Jul 2
EXPIRED
· 441d overdue
Not started
Emergency Diesel Generator Batteries @ Turbinette
Jul 1 – Jul 2
EXPIRED
· 441d overdue
Not started
Panels @ elev. Switchyard
Jul 22
EXPIRED
· 420d overdue
Not started
Panels @ elev. 110m
Jul 21
EXPIRED
· 421d overdue
Not started
Panels @ elev.102.6m
Jul 21
EXPIRED
· 421d overdue
Not started
Panels @ elev 90.5m and 91m
Jul 21
EXPIRED
· 421d overdue
Not started
Unit 2 Aux. Power Panel
Jul 20
EXPIRED
· 422d overdue
Not started
Intake Hydraulic Gate Hoist Motors
Jul 19
EXPIRED
· 423d overdue
Not started
Oil Leakage Tank Motor
Jul 19
EXPIRED
· 423d overdue
Not started
Head Cover Pump Motors
Jul 19
EXPIRED
· 423d overdue
Not started
Dust Suction Pump Motors
Jul 18
EXPIRED
· 424d overdue
Not started
Cooling Water Pump Motors/Control
Jul 18
EXPIRED
· 424d overdue
Not started
Governor Oil Pump Motors/Panels
Jul 18
EXPIRED
· 424d overdue
Not started
Collector Housing
Jul 17
EXPIRED
· 425d overdue
Not started
Excitation Panels
Jul 17
EXPIRED
· 425d overdue
Not started
Dewatering System Motors
Jul 14
EXPIRED
· 428d overdue
Not started
Drainage System Motors
Jul 14
EXPIRED
· 428d overdue
Not started
38AH Fire Alarm Batteries @ Turbinette
Jul 1 – Jul 2
EXPIRED
· 441d overdue
Not started
200AH Communication Batteries @ Turbinette
Jul 1 – Jul 2
EXPIRED
· 441d overdue
Not started
300AH Switchyard Batterries
Jul 1 – Jul 2
EXPIRED
· 441d overdue
Not started
Forklift Batteries
Jul 1
EXPIRED
· 441d overdue
Not started
Emergency Diesel Generator Batteries @ Powerhouse
Jul 1
EXPIRED
· 441d overdue
Not started
38AH Fire Alarm Batteries @ Powerhouse
Jul 1
EXPIRED
· 441d overdue
Not started
500AH Communication Batteries @ Powerhouse
Jul 1
EXPIRED
· 441d overdue
Not started
800AH Station Batteries
Jul 1
EXPIRED
· 441d overdue
Not started