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How do utilities use benchmarking programs to optimize asset portfolios?

Utilities use benchmarking programs to optimize asset portfolios by systematically comparing the performance, cost, and condition of their assets against industry peers and best-practice standards. This gives asset managers a fact-based foundation for prioritizing capital investment, identifying underperforming assets, and making defensible decisions about maintenance strategies, replacement cycles, and risk tolerance. The questions below unpack how that process works in practice.

What types of assets do utilities typically benchmark?

Utilities benchmark a broad range of physical and operational assets, including network infrastructure, generation equipment, substations, pipelines, pumping stations, and control systems. The scope extends to both primary assets and the supporting systems that keep them running, from protection and metering equipment to SCADA and field service fleets. The goal is to build a complete picture of the asset base, not just the highest-value items.

In practice, the asset types that receive the most benchmarking attention are those with the highest impact on reliability, safety, and capital expenditure. For electricity transmission and distribution players, this typically means overhead lines, cables, transformers, and switchgear. For water utilities, it covers treatment plants, mains networks, and pumping infrastructure. Gas network operators focus heavily on pipelines, compressor stations, and metering assets.

What matters is not just what you benchmark, but how you segment it. Age cohorts, technology types, operating environments, and criticality classifications all affect how meaningful a comparison is. Benchmarking a coastal substation against an inland one without accounting for environmental exposure produces noise, not insight.

How does benchmarking data inform asset investment decisions?

Benchmarking data informs asset investment decisions by providing an objective baseline for evaluating where capital is most needed and where it is potentially being over- or under-deployed. When you can see how your asset performance and unit costs compare to peers operating similar infrastructure, investment prioritization shifts from intuition to evidence.

The most direct application is in capital expenditure planning. If your transformer failure rate is significantly above the peer median, that is a quantifiable signal that your current inspection or replacement strategy may need revision. Equally, if your cost per kilometer of network maintenance is well above benchmark, it prompts a structured review of whether that spend is delivering proportionate reliability outcomes.

Benchmarking also strengthens the investment case internally and with regulators. Boards and regulatory bodies respond better to investment proposals grounded in comparative data than to engineering judgments alone. In regulated utilities especially, demonstrating alignment with or deviation from industry norms is often a prerequisite for securing approved expenditure.

What metrics do utilities track in a benchmarking program?

Utilities track three broad categories of metrics in a benchmarking program: asset health and condition indicators, reliability and performance measures, and cost efficiency ratios. Together, these give a multi-dimensional view of how well an asset portfolio is managed relative to peers.

  • Asset condition and health: Remaining useful life estimates, defect rates, age profiles, and condition scores from inspections or diagnostic testing
  • Reliability and availability: Failure rates, forced outage rates, SAIDI and SAIFI for distribution networks, and unplanned maintenance frequency
  • Maintenance efficiency: Planned versus reactive maintenance ratios, cost per asset unit, work order completion rates, and backlog levels
  • Capital efficiency: Capex per unit of capacity added or restored, asset replacement unit costs, and lifecycle cost per asset class
  • Risk indicators: Criticality-weighted condition scores, consequence of failure assessments, and risk-adjusted investment priorities

The right combination depends on the asset type and the organization’s strategic priorities. A transmission system operator focused on network resilience will weight reliability metrics heavily, while a utility under cost pressure from a regulator may prioritize efficiency ratios. The key is selecting metrics that connect directly to decision-making, not tracking data for its own sake.

How do utilities compare their performance against industry peers?

Utilities compare their performance against industry peers through structured benchmarking exercises that use standardized data definitions, common metrics, and curated peer groups. The comparison is only meaningful when the data are normalized to account for differences in network scale, geography, asset age, and operating context.

There are two main approaches. The first is participation in external benchmarking programs, where utilities contribute anonymized data to a shared database and receive comparative results against a defined peer set. The second is targeted diagnostic benchmarking conducted with a consulting partner, where the peer group is constructed deliberately to reflect the utility’s specific operating conditions and strategic context.

Peer group selection is where most benchmarking programs succeed or fail. Comparing a dense urban distribution network to a sparse rural one without adjustment produces misleading results. Effective peer comparison accounts for network density, customer mix, regulatory environment, and asset vintage. Without that rigor, the numbers may look clean but the conclusions will be wrong.

We have built and maintained one of the most extensive benchmarking databases in the energy and utilities sector over nearly two decades, which means the peer groups we construct are drawn from real operational data across a genuinely global set of organizations, not from proxy estimates or public disclosures alone.

What are the biggest challenges in utility asset benchmarking?

The biggest challenges in utility asset benchmarking are data quality, comparability, and organizational willingness to act on findings. Each of these can undermine the value of even a well-designed program.

Data quality is the most common barrier. Many utilities hold asset data across multiple legacy systems with inconsistent definitions, incomplete records, or gaps in condition history. If the input data is unreliable, the benchmark outputs are unreliable. Investing in data cleansing and standardization before benchmarking is not optional; it is a prerequisite for credible results.

Comparability is the second challenge. Utilities operate in very different regulatory, geographic, and technical environments. A metric that is straightforward to compare in one context, such as maintenance cost per substation, becomes ambiguous when substations differ significantly in voltage level, age, or configuration. Robust benchmarking programs build normalization methodologies to address this, but it requires careful design and peer expertise to do well.

The third challenge is less technical and more organizational. Benchmarking findings sometimes reveal uncomfortable truths, whether about cost efficiency, asset condition, or investment priorities. Organizations that treat benchmarking as a compliance exercise rather than a genuine performance improvement tool rarely capture its full value. The willingness to act on unflattering results is what separates programs that drive change from those that produce reports.

How does benchmarking support the energy transition for utilities?

Benchmarking supports the energy transition by helping utilities understand where their existing asset base is ready for new demands and where it is not. As grids absorb more renewable generation, electrification increases load profiles, and flexibility requirements grow, the performance expectations placed on network assets are changing fundamentally. Benchmarking provides the comparative lens to assess readiness and prioritize adaptation.

For strategic asset management in a transition context, this means tracking metrics that go beyond traditional reliability indicators. Hosting capacity, power quality performance, response to distributed energy resources, and grid flexibility are all areas where peer comparison is increasingly relevant. Utilities that benchmark these dimensions now are better positioned to make proactive investment decisions rather than reactive ones.

Benchmarking also supports the transition by identifying where efficiency gains can fund new investment. Capital freed from over-maintained or low-criticality assets can be redirected toward grid modernization, smart metering rollouts, or infrastructure upgrades needed to accommodate electric vehicle charging and heat pump load growth. Asset portfolio optimization in a transition context is not just about managing what you have; it is about repositioning it for what is coming.

How OHROS supports utility asset benchmarking and portfolio optimization

We work with utilities, transmission operators, and asset-intensive energy businesses to design and deliver benchmarking programs that produce actionable outcomes, not just comparative reports. Our approach combines nearly two decades of global benchmarking experience with one of the most comprehensive performance databases in the sector, allowing us to build peer groups and normalization frameworks that hold up to regulatory and board scrutiny. To learn more about the expertise behind our work, visit our about us page.

In practice, our benchmarking engagements typically include:

  • Diagnostic assessment of current asset management maturity and data readiness
  • Design of a tailored benchmarking framework aligned to your strategic priorities and regulatory context
  • Peer group construction using verified data from comparable organizations across Europe, the Middle East, and Asia
  • Performance gap analysis across cost efficiency, reliability, asset health, and capital deployment
  • Investment prioritization support grounded in comparative evidence and risk-adjusted criteria
  • Integration of benchmarking outputs into long-term asset management plans and regulatory submissions

If you are looking to strengthen your approach to strategic asset management or build a more defensible asset portfolio optimization process, we would welcome a direct conversation about where benchmarking can add the most value for your organization. Get in touch with our team to explore what a structured benchmarking program could look like for you.

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