A preventive maintenance schedule for thermal and hydro power plants is the plan of checks, services and inspections that keeps the plant’s equipment running between breakdowns. Boilers, turbines, generators and auxiliaries, with statutory boiler inspections. Availability commitments make planned outages and their scope the centre of the schedule.
Below are the equipment types we list for this industry, each with its own preventive maintenance schedule and checklist, and the common utilities every plant has. The tasks and intervals follow common industry practice; the maker’s manual and site safety procedures come first.
Equipment in a thermal and hydro power plants preventive maintenance schedule
Conveying, bulk handling & dust control
Power generation & backup
Fire protection & safety
Pumps
Boilers, steam & thermal systems
Water & effluent treatment
Oil, gas, power plant & environment
Cranes, lifting & material handling
Mining, cement, metals & minerals
Instruments, automation & laboratory
Valves, piping & hydraulics
Electrical distribution & power quality
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Flooded lead-acid preventive maintenance schedule | 6 | 49 h |
| Outdoor switchyard: breakers preventive maintenance schedule | 6 | 54 h |
| Protection relays, metering preventive maintenance schedule | 5 | 22 h |
Heat exchangers, vessels & storage
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Shell-and-tube heat exchanger preventive maintenance schedule | 5 | 35 h |
| Plate heat exchanger preventive maintenance schedule | 5 | 35 h |
| Air-cooled heat exchanger preventive maintenance schedule | 6 | 53 h |
Fans, blowers, vacuum & ventilation
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Roots blower preventive maintenance schedule | 6 | 51 h |
| Liquid ring vacuum pump preventive maintenance schedule | 7 | 72 h |
Machine tools, metalworking & assembly
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Conventional lathe, milling machine preventive maintenance schedule | 6 | 60 h |
| Welding machines preventive maintenance schedule | 7 | 92 h |
Compressors & compressed air
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Centrifugal compressor preventive maintenance schedule | 7 | 130 h |
Motors, drives & power transmission
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| High-tension motor preventive maintenance schedule | 7 | 80 h |
Furnaces, foundry & surface treatment
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Industrial burner preventive maintenance schedule | 6 | 103 h |
Other equipment
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Machine guarding, interlocks preventive maintenance schedule | 5 | 18 h |
HVAC & refrigeration
| Equipment | Tasks | Hours per year, one unit |
|---|---|---|
| Vapour absorption chiller preventive maintenance schedule | 7 | 145 h |
Common plant equipment in thermal and hydro power plants
Pumps, compressors, motors, boilers, chillers, air handling units, transformers, generators and conveyors appear in almost every industry. Their schedules:
- Centrifugal pump preventive maintenance schedule
- Air compressor preventive maintenance schedule
- Electric motor preventive maintenance schedule
- Boiler preventive maintenance schedule
- Chiller preventive maintenance schedule
- Cooling tower preventive maintenance schedule
- Air handling unit preventive maintenance schedule
- Power / distribution transformer preventive maintenance schedule
- Diesel generator set preventive maintenance schedule
- Belt conveyor preventive maintenance schedule
- Overhead crane preventive maintenance schedule
- Fire pump set preventive maintenance schedule
The full list is on the page of equipment preventive maintenance schedules.
How big is the preventive maintenance schedule for thermal and hydro power plants?
For one unit of each of the 81 industry-specific equipment types in our library, the schedule has 493 recurring tasks and about 6,462 hours of work a year. Adding one unit of each of the 62 common equipment types makes it 860 tasks and about 9,230 hours. A real plant has several units of most of them, which is why the monthly workload needs balancing.
Build your thermal and hydro power plants preventive maintenance schedule
Pick your equipment in the free generator and download a 12-month schedule as an Excel file, with tasks, intervals and monthly workload hours. For the method, read the guide to the preventive maintenance schedule, and the preventive maintenance checklist.
To run it in software, see maintenance software for power plants, or the preventive maintenance software module.
Build my thermal and hydro power plants preventive maintenance schedule (free Excel)
Frequently asked questions
What should a preventive maintenance schedule for thermal and hydro power plants include?
The equipment that decides output and safety, the tasks and intervals for each, the time each task takes and who does it, and a record of completion. For this industry the biggest groups of equipment are conveying, bulk handling & dust control, power generation & backup, fire protection & safety, pumps. Add the statutory examinations that apply to your plant.
How many types of equipment does the thermal and hydro power plants schedule cover?
Our library lists 81 industry-specific equipment types for thermal and hydro power plants and 62 common plant equipment types, each with its own tasks, intervals and times.
Is there a free preventive maintenance schedule generator for thermal and hydro power plants?
Yes. The free preventive maintenance schedule generator opens with this industry selected, lets you choose your equipment and quantities, and gives a 12-month schedule as an Excel file.