Key Industrial Maintenance Metrics to Track!
- 29/07/2026
- 15:22
Reading time : 2 min
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In an industrial setting, the performance of your equipment is essential to ensuring continuous and efficient production. To maximize this performance, tracking industrial maintenance KPIs (Key Performance Indicators) is essential. These indicators allow you to assess the reliability of your equipment, optimize your maintenance costs, and improve your teams’ productivity. In this article, we present the 8 key KPIs to track to ensure optimal industrial maintenance management.
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The Importance of Industrial Maintenance Metrics
Industrial maintenance metrics are essential for optimizing equipment performance, reducing costs, and preventing unplanned downtime. They enable companies to assess system reliability, schedule maintenance, and make decisions based on accurate data. By tracking these metrics, companies improve productivity, minimize disruptions, and ensure cost-effective and proactive management of their industrial assets.
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Industrial Maintenance Metric No. 1: MTTR
MTTR (Mean Time to Repair) is a key metric for evaluating the effectiveness of maintenance and repair processes.
It measures the average time required to repair faulty equipment and return it to service.
This KPI helps track the performance of maintenance teams and identify areas for improvement:
- a low MTTR indicates that the company is able to respond quickly to breakdowns and minimize downtime,
- a high MTTR may signal inefficiencies in repair processes or recurring problems with certain equipment.
To calculate it, divide the total repair time (time spent resolving breakdowns) by the number of incidents handled over a given period.
Industrial Maintenance Metric No. 2: MTBF
MTBF (Mean Time Between Failure) is a key metric for measuring the reliability of equipment or a system.
It represents the average time between two consecutive failures of the same piece of equipment.
This industrial maintenance KPI helps identify the average operating time between incidents, providing an estimate of the equipment’s lifespan before a failure occurs. The higher the MTBF, the more reliable the equipment is and the more likely it is to operate without interruption for an extended period.
MTBF is particularly useful in sectors where equipment availability is non-negotiable.
For example, in manufacturing or industry, a high MTBF indicates a low probability of failure, which translates to higher productivity and fewer disruptions.
Conversely, a low MTBF may signal design issues, poor-quality components, or a lack of preventive maintenance. This KPI also allows maintenance teams to better anticipate operating periods before a failure occurs, thereby facilitating the planning of repairs or replacements.
Industrial Maintenance Indicator No. 3: MTTF
MTTF (Mean Time to Failure) is a metric similar to MTBF, but it applies to equipment that cannot be repaired or that must be completely replaced when it fails.
MTTF measures the average time before a piece of equipment fails, providing an estimate of its lifespan.
This KPI is particularly relevant for components or systems that, once defective, must be replaced rather than repaired, such as certain electronic or mechanical equipment.
By calculating MTTF, companies can better manage their asset lifecycle and optimize investments in replacements.
For example, a high MTTF means that the equipment or component will have a long service life before it fails, allowing for more efficient planning of purchases and replacements.
Conversely, a low MTTF may indicate problems in the manufacturing or design process, requiring special attention to improve the product’s reliability.
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Industrial Maintenance Indicator No. 4: Availability
Availability is a key KPI for evaluating the effectiveness of maintenance and equipment management processes. It represents the percentage of time during which a piece of equipment or a system is operational relative to the total available time. In other words, it measures a piece of equipment’s ability to remain in service and function properly throughout its expected lifespan.
The higher the availability, the more reliable the equipment is and the more ready it is to produce, which has a direct impact on productivity.
Low availability can result from frequent breakdowns, prolonged downtime, or ineffective reactive maintenance. Conversely, high availability indicates well-executed preventive maintenance processes, prompt repairs, and optimal equipment management.
The goal is to maximize availability while minimizing maintenance costs and downtime.
Industrial Maintenance Indicator No. 5: Failure Rate
The failure rate is a metric that measures the frequency of equipment failures over a given period.
This KPI is used to evaluate the performance and reliability of equipment, systems, or machines.
A high failure rate may indicate that the equipment is defective, poorly maintained, or unsuitable for production needs, which can lead to additional costs for repairs and replacements.
The failure rate is often used in conjunction with MTBF or MTTF to gain a more comprehensive view of a piece of equipment’s performance. By monitoring this rate, companies can quickly identify problematic equipment, take corrective action, and improve maintenance management.
The goal is to minimize this rate, which contributes to more stable production and greater profitability.
Industrial Maintenance Indicator No. 6: Maintenance Costs
Maintenance cost per unit produced is a financial KPI that measures maintenance expenses relative to the volume of production. It is very important for evaluating the effectiveness of maintenance investments and their impact on production costs.
It helps determine whether maintenance costs are proportional to production or whether there are inefficiencies that need to be addressed.
A high maintenance cost per unit produced may indicate poor equipment management, overly frequent maintenance, or a need to replace equipment.
Conversely, a low maintenance cost per unit produced suggests effective asset management and optimized maintenance processes, which enable the company to maintain profitable production.
Industrial Maintenance Indicator No. 7: Number of Critical Incidents
The number of critical incidents refers to serious events requiring major intervention to repair or replace equipment.
These incidents have a direct impact on equipment availability and, consequently, on production performance. A critical incident can lead to prolonged downtime, high repair costs, and a significant drop in productivity.
Tracking this KPI allows maintenance managers to identify the most vulnerable equipment and prioritize preventive maintenance or replacement actions.
Reducing the number of critical incidents is essential for maximizing equipment availability and optimizing maintenance costs.
Industrial Maintenance Indicator No. 8: The Ratio of Scheduled to Unscheduled Repairs
The ratio of planned to unplanned repairs is a metric that compares the number of repairs performed as part of preventive maintenance to those performed reactively—that is, after a breakdown.
A high ratio of planned repairs indicates that the company has implemented an effective preventive maintenance strategy, which helps reduce unplanned breakdowns and optimize maintenance costs.
A low rate of planned repairs, on the other hand, may mean that the company primarily takes a reactive approach, leading to higher costs, prolonged downtime, and negative impacts on productivity.
The goal is to maximize the number of scheduled repairs to improve equipment efficiency and reduce costs associated with unplanned breakdowns.
These 8 industrial maintenance metrics are essential for ensuring effective management of your equipment. But how do you track their performance?
How can you ensure that you're properly tracking industrial maintenance metrics?
Implementing Appropriate Management Tools
To effectively track your maintenance KPIs, it’s important to use the right management tools. These tools often CMMS systems allow you to collect, track, and analyze data related to your equipment and maintenance operations.
They offer several benefits, including:
- Real-time tracking: These systems allow you to track incidents, repairs, downtime, and more in real time.
- Automated reporting: These tools automate data collection and generate detailed reports on KPIs, giving you a clear picture of performance.
- Planning and scheduling preventive maintenance: These tools allow you to plan preventive maintenance tasks and track their execution.
This not only helps you track KPIs but also optimizes maintenance tasks based on the priorities identified by the metrics.
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Analyze the data regularly
Regularly tracking KPIs is essential for evaluating the performance of your maintenance strategy. This allows you to identify trends, detect recurring issues, and take corrective action before they seriously impact production.
Here are a few tips to help you analyze your industrial maintenance metrics:
- Conduct weekly or monthly reviews of maintenance performance to assess deviations from targets,
- Generate maintenance cost reports to track changes in maintenance expenses relative to production and evaluate the economic impact of your operations.
These regular analyses not only allow you to track KPIs but also to make strategic decisions to improve the profitability of your maintenance operations.
Involve the maintenance and production team
It is essential to involve your maintenance and production teams in monitoring KPIs. Collaboration between these two teams helps ensure optimal equipment performance. Sharing KPIs with the maintenance team can help them better understand the challenges and work together to proactively resolve issues.
To achieve this, you can implement various measures:
- ongoing training for teams on KPIs and their importance to the company’s overall strategy,
- regular meetings to discuss maintenance performance, challenges encountered, and possible solutions to improve KPIs,
- real-time feedback from production teams on breakdowns or issues encountered, so that maintenance actions can be adjusted accordingly.
As you can see, closely monitoring industrial maintenance metrics is essential for optimizing your equipment’s performance, reducing costs, and maximizing your teams’ productivity. By understanding and applying these key metrics, you’ll not only be able to anticipate breakdowns but also improve the reliability and profitability of your facilities.
Using the right tools, such as Nomadia Field Service, will allow you to automate data collection, monitor performance in real time, and make strategic decisions for proactive maintenance.
Ultimately, effective tracking of industrial maintenance KPIs goes beyond simply reducing breakdowns; it represents a genuine opportunity to optimize costs, improve production quality, and ensure optimal ROI.
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