Top Causes of Turbine Failure in Power Plants

Discover the most common causes of turbine failure in power plants and how proper field service, alignment, and maintenance reduce costly downtime. Turbines are the heart of power generation facilities. When a turbine fails, the entire plant can experience extended downtime and significant financial loss. According to the U.S. Department of Energy, turbine efficiency and reliability are critical factors in maintaining grid stability and reducing operational costs.
Source: https://www.energy.gov/eere

Most common causes of turbine failure

1. Misalignment

One of the leading causes of turbine failure is improper alignment between rotating components.

Even small misalignments can cause:

• Excess vibration
• Bearing wear
• Seal damage
• Reduced efficiency

2. Improper Installation of Repaired Components

Incorrect installation after repair or refurbishment is a major failure point in outage execution.

3. Lubrication Issues

Poor lubrication leads to:

• Overheating
• Friction damage
• Premature wear

The National Renewable Energy Laboratory (NREL) emphasizes lubrication management as a key factor in rotating equipment reliability.
Source: https://www.nrel.gov

4. Vibration and Imbalance

Unbalanced rotating equipment creates stress that compounds over time, leading to mechanical failure.

5. Thermal Stress

Rapid temperature changes during startup or shutdown cycles can cause material fatigue and cracking.

How Field Execution Prevents Failure

Experienced field service teams mitigate these risks through:

• Precision alignment procedures
• Vibration monitoring
• Proper torque verification
• Controlled startup procedures

Industry Reality

A large percentage of turbine failures are preventable and linked directly to maintenance quality and installation practices rather than manufacturing defects.

Final Thoughts

Turbine reliability is not just about equipment—it is about execution.

OSR field teams specialize in turbine installation, alignment, and outage execution to help reduce failure risk and extend asset life.