Critical Electrical Infrastructure and Equipment: How Should Interventions Be Prioritized?

When multiple pieces of electrical infrastructure and equipment require attention, not everything can be a top priority. An approach based on asset condition, risk, and the consequences of failure helps determine where to act first and focus resources where they will have the greatest impact on grid reliability and operational continuity.

Why Prioritizing Interventions on Electrical Infrastructure and Equipment Has Become Essential

Operators of electrical infrastructure must constantly balance maintenance, repair, modernization, and replacement. Yet specialized resources, budgets, and outage windows are limited. When several assets require attention at the same time, setting priorities becomes a true risk-management exercise.

In Quebec, this issue is particularly important as major investments are being made to sustain and modernize the grid. Aging installations and the scale of the work ahead require operators to determine where their interventions will have the greatest impact.

Prioritization, however, requires more than an inventory of equipment to monitor. Asset condition must be considered together with each asset’s role in operations and the potential consequences of failure. This perspective helps focus resources on the interventions that contribute most directly to grid reliability and operational continuity.

How Can You Determine Which Electrical Infrastructure and Equipment Are Truly the Highest Priority?

Two assets in comparable condition can represent very different levels of risk. Setting priorities therefore requires looking beyond technical condition and understanding each asset’s role within the broader operation.

The Asset’s Actual Condition

Inspections, testing, diagnostics, maintenance history, and operating conditions provide a more accurate picture of an asset’s condition. This knowledge helps track deterioration, detect anomalies, and determine whether an intervention should be scheduled or carried out more quickly.

The Potential Consequences of Failure

The impact of an outage must also be assessed in terms of safety, service continuity, production, and other equipment. The greater the consequences, the more attention the asset deserves.

The Asset’s Role in the Grid or Operations

Some equipment occupies a strategic position within a facility or the grid. The availability of redundancy or backup solutions can therefore have a major influence on the level of risk associated with its unavailability.

Repair or Replacement Options

Finally, repairability, the availability of specialized resources, procurement lead times, and outage windows all influence the decision. These constraints should be evaluated before an urgent situation limits the available options.

Why Equipment Condition Alone Is Not Enough to Determine Intervention Priority

Equipment in poor condition naturally attracts attention. However, condition alone does not determine whether it should become the top priority.

Consider two assets showing similar signs of aging. The first has redundancy and can be isolated without major consequences. The second supplies a critical facility, with no backup solution immediately available. Even if their technical condition is similar, the risk associated with failure is very different.

This is why the decision must consider both the probability of failure and its potential consequences. This approach helps distinguish a technical issue that should be monitored from an operational risk requiring priority action.

It also helps avoid two costly decisions: intervening prematurely on equipment that still has acceptable remaining operating margin, or delaying action on an asset whose failure could have significant consequences.

How to Turn Risk Assessment Into Intervention Priorities

Once asset condition and risk are better understood, the next step is to establish an order of intervention. The objective is not to eliminate every risk, but to determine which risks should be addressed first.

Identify the Most Significant Risks

Combining the probability of failure with its potential consequences helps identify situations that require rapid intervention and those that can instead be monitored or addressed through planned work.

Compare Operational Consequences

An interruption involving redundant equipment does not have the same impact as the prolonged unavailability of a critical asset. Comparing these consequences helps establish priorities that reflect the real safety, reliability, and continuity issues at stake.

Evaluate Intervention Options

Prioritizing does not necessarily mean replacing. Depending on the level of risk, different responses may be appropriate: increased monitoring, maintenance, repair, refurbishment, modernization, or replacement.

Set Priorities Based on Available Resources

Budgets, specialized resources, available parts, and outage windows also influence the order of work. Prioritization must therefore remain dynamic and evolve as asset condition or operational constraints change.

How to Prioritize Investments in Electrical Infrastructure and Equipment

Prioritizing interventions inevitably leads to another decision: where should you invest?

Infrastructure budgets must address needs that may compete with one another. Maintaining equipment may be appropriate in some situations, while a major repair, modernization, or replacement may be the better option in others.

Immediate cost therefore cannot be the only criterion. Remaining service life, operational importance, failure risk, future maintenance requirements, and the consequences of unavailability must also be considered.

This perspective moves decision-making away from a model in which investment is driven primarily by urgency. Prioritization instead becomes the link between technical asset management and capital planning. It helps decision-makers more effectively weigh whether to maintain, repair, modernize, extend the life of, or replace an asset.

Why Complementary Expertise Improves Decisions About Electrical Infrastructure and Equipment

Sound decision-making begins with reliable information about asset condition. That data must then be interpreted, the available options assessed, and, when intervention becomes necessary, the work must be properly planned and executed.

In Quebec, DUAL-Électrotech, Surplec, MDL Énergie, and CFM Services contribute at different stages of this decision-making process. DUAL-Électrotech helps establish and interpret equipment condition through testing and technical analysis. Surplec brings expertise in lifecycle management, maintenance, and repair of power transformers. MDL Énergie supports the preparation, coordination, and execution of specialized electrical work on infrastructure. CFM Services complements these capabilities with NETA-accredited field technical services, including testing, commissioning, and electrical equipment assessment.

Together within the IPS ecosystem, these capabilities support operators from understanding asset condition through the planning and execution of priority interventions.

Need to Prioritize Interventions on Your Electrical Infrastructure or Equipment?

IPS experts can help you better understand the condition of your assets, assess risk, and determine which interventions to prioritize to support infrastructure reliability and operational continuity.

Contact IPS Canada to discuss your priorities: https://www.ips.co/p/canada-utilities-en

Frequently Asked Questions About Prioritizing Interventions

How Do You Determine Which Electrical Equipment Should Be Addressed First?

Priority depends on the equipment’s actual condition, the probability of failure, its role in operations, the potential consequences of unavailability, and the available intervention options. Evaluating these factors together helps focus resources on the assets that present the greatest risk.

What Factors Should Be Considered When Prioritizing Maintenance for Critical Electrical Infrastructure?

Key considerations include asset condition, operational importance, the consequences of failure, redundancy, safety requirements, repair or replacement lead times, and available resources. Priority should therefore be based on overall risk rather than equipment age alone.

Should Aging Electrical Equipment Always Be Prioritized for Replacement?

No. Age is an indicator, but it does not determine priority on its own. Aging equipment can remain serviceable when its condition is well understood and the risk is controlled. Conversely, newer equipment may become a priority if it plays a critical role or if its failure would have significant consequences.

How Can Technical Data and Risk Analysis Improve Maintenance Decisions?

Testing, diagnostics, and operating data provide a better understanding of the actual condition of electrical equipment. Combined with an analysis of the consequences of failure, this information helps compare risks, establish priorities, and choose between maintenance, repair, modernization, or replacement.