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Energy Benchmarking Sites: Compare Performance

Energy benchmarking sites comparing energy performance across Australian business locations

Energy Benchmarking Sites: Compare Performance

Key Takeaways:

  • Energy benchmarking sites helps organisations compare energy performance across facilities with similar operating characteristics. 
  • Normalising data for floor area, production, operating hours, weather and other factors makes comparisons more meaningful. 
  • Benchmarking can reveal high-performing locations as well as sites that may require investigation. 
  • Energy intensity metrics can provide more useful comparisons than total consumption alone. 
  • Regular benchmarking helps businesses track improvements and identify emerging performance gaps. 
  • Combining benchmarking with energy procurement and management strategies can provide a more complete approach to controlling business energy costs, consistent with the broader energy-management approach described in Energy Action's existing content. 

Introduction

Managing energy across multiple business locations becomes difficult when every site has different operating conditions. One facility may consume twice as much electricity as another, but that does not necessarily mean it is inefficient. It could simply be larger, operate longer hours or produce more output.

This is where energy benchmarking sites becomes valuable. Benchmarking creates a structured way to compare energy performance across comparable facilities. Rather than looking only at electricity bills or total consumption, businesses can examine energy intensity, operating conditions and performance trends.

For Australian organisations with offices, warehouses, retail outlets, manufacturing facilities or other multi-site operations, benchmarking can highlight where energy-management efforts should be focused. Moreover, it provides a measurable baseline for tracking whether efficiency initiatives actually deliver results.

Energy Action's existing energy-management guidance similarly emphasises understanding consumption patterns and using energy data to identify inefficiencies and savings opportunities. 

Why Energy Benchmarking Sites Matters

Energy benchmarking compares the performance of one location against other relevant locations or against its own historical performance.

However, effective benchmarking goes beyond ranking sites by total kilowatt-hours consumed. A large distribution centre will naturally use more electricity than a small office. Therefore, businesses need metrics that account for the factors driving consumption.

Common benchmarking measures include:

BenchmarkWhat It MeasuresUseful For
kWh per square metreEnergy relative to floor areaOffices, retail and warehouses
kWh per unit producedEnergy relative to outputManufacturing
kWh per operating hourConsumption relative to operating timeFacilities with different schedules
kWh per employeeConsumption relative to workforceOffices and service businesses
Peak demandHighest electricity demandDemand management
Energy cost per unitEnergy expenditure relative to outputFinancial performance

These indicators give management a clearer picture of how efficiently different locations use energy.

Energy Benchmarking Sites Requires Comparable Data

Start by Grouping Similar Facilities

The first rule of energy benchmarking sites is to compare like with like.

Comparing a refrigerated warehouse with a corporate office would provide limited insight because the facilities perform completely different functions. Similarly, comparing a 24-hour operation with a site open eight hours per day can create misleading conclusions.

Instead, divide the portfolio into logical peer groups. For example, an organisation might separately benchmark:

  • Corporate offices 
  • Retail stores 
  • Warehouses 
  • Distribution centres 
  • Manufacturing facilities 
  • Data-intensive facilities 

Businesses with many similar locations can create even narrower groups based on size, climate zone, operating schedule or equipment.

The objective is not to make every facility identical. Rather, it is to create sufficiently comparable groups so that differences in performance become meaningful.

Establish Consistent Energy Benchmarking Metrics

Once comparable groups have been created, organisations need consistent performance indicators.

Total electricity consumption is useful for understanding portfolio expenditure. However, energy intensity is usually more informative when comparing sites.

Consider two warehouses:

SiteAnnual ElectricityFloor AreaEnergy Intensity
Warehouse A600,000 kWh10,000 m²60 kWh/m²
Warehouse B500,000 kWh6,000 m²83 kWh/m²

Warehouse B consumes less electricity overall. Nevertheless, it uses considerably more electricity per square metre.

Therefore, simply ranking the facilities by annual consumption would suggest Warehouse A deserves more attention. Energy-intensity benchmarking suggests Warehouse B may warrant closer investigation.

This distinction is important because effective energy management depends on understanding how and when facilities consume electricity, rather than focusing exclusively on the total bill. Existing Energy Action content also highlights analysing historical usage and peak periods when assessing business energy requirements. 

Normalise Energy Benchmarking Sites Data

Account for Factors Outside a Site Manager's Control

Even comparable facilities rarely operate under exactly the same conditions.

Consequently, businesses should normalise their data where practical. Normalisation adjusts benchmarking metrics to account for important variables that influence consumption.

These may include:

VariableWhy It Matters
Floor areaLarger facilities generally consume more energy
Operating hoursLonger opening hours increase consumption
Production outputHigher production normally requires more energy
OccupancyMore employees or visitors can increase demand
WeatherHeating and cooling requirements vary by location
EquipmentDifferent machinery can significantly change consumption
Site ageOlder buildings may have less efficient systems

For example, a Brisbane office may have different cooling requirements from a Melbourne office. Likewise, a manufacturing site producing substantially more units should not automatically be considered inefficient because its total electricity consumption is higher.

Normalisation makes benchmarking fairer and helps management concentrate on genuine performance differences.

Identify High and Low Performing Sites

A useful benchmarking program should identify both ends of the performance spectrum.

Low-performing facilities deserve investigation because they may contain inefficient equipment, poor operating practices, control problems or unnecessary after-hours consumption.

However, top-performing facilities are equally valuable.

Suppose ten similar stores are benchmarked and three consistently consume 15 per cent less energy per square metre. Instead of focusing exclusively on the inefficient stores, management can investigate what the leading sites do differently.

They may have better HVAC scheduling, LED lighting, stronger shutdown procedures or more effective staff practices.

The organisation can then test whether those practices can be replicated across other sites.

This approach turns energy benchmarking from a reporting exercise into a continuous improvement program.

Use Energy Benchmarking Sites to Prioritise Action

Most organisations have limited budgets for energy-efficiency projects. Therefore, benchmarking can help direct resources towards locations with the greatest opportunity.

For instance, a portfolio analysis might show that five sites account for a disproportionate share of excess consumption. Those locations can then receive detailed audits before money is spent across the entire portfolio.

Possible actions include:

  • Reviewing HVAC schedules and temperature settings 
  • Investigating unusually high overnight consumption 
  • Upgrading inefficient lighting 
  • Checking refrigeration or industrial equipment 
  • Reviewing peak demand 
  • Installing sub-metering 
  • Improving automated controls 
  • Investigating onsite solar or storage 

Energy Action's existing guidance also identifies smart meters, energy monitoring and efficiency upgrades as tools businesses can use to identify and reduce unnecessary consumption. 

Benchmark Energy Costs as Well as Consumption

Energy performance and energy cost performance are related, but they are not identical.

Two comparable locations might consume approximately the same amount of electricity while paying significantly different amounts.

This can occur because of differences in tariffs, network charges, demand profiles, contract arrangements or timing of consumption.

Therefore, businesses should consider benchmarking metrics such as cost per square metre, cost per operating hour and cost per unit produced alongside physical energy consumption.

Doing so can reveal whether a site's problem is operational, contractual or both.

For example, a facility with efficient consumption but unusually high costs may require a review of its electricity supply arrangements rather than an equipment upgrade. Energy Action's existing material similarly recommends regularly reviewing electricity contracts and market conditions to uncover potential cost-saving opportunities. 

Track Energy Benchmarking Sites Over Time

A single benchmark provides a snapshot. Continuous benchmarking provides a management tool.

Businesses should track performance monthly, quarterly or at another interval appropriate to their operations.

This creates a historical baseline and makes it easier to identify unexpected changes.

For example, if a facility's energy intensity increases by 12 per cent while operating hours and production remain stable, management has a reason to investigate.

Conversely, if energy intensity falls after an HVAC upgrade, benchmarking helps quantify the improvement.

Over time, businesses can establish internal performance targets for each site category. Consequently, energy management becomes measurable rather than subjective.

Common Energy Benchmarking Mistakes

Benchmarking produces better decisions only when the underlying comparison is meaningful.

One common mistake is comparing total consumption without considering facility size. Another is grouping sites with substantially different operating profiles.

Poor data quality can also undermine results. Missing meter readings, incorrect floor-area information or inconsistent reporting periods can distort rankings.

Additionally, organisations should avoid treating benchmarking as proof that a site is inefficient. A benchmark identifies an anomaly or opportunity; further investigation determines the cause.

Finally, focusing exclusively on the worst performer can overlook valuable lessons from leading locations. High-performing sites can provide practical operating practices that may be replicated throughout the portfolio.

Building an Effective Energy Benchmarking Framework

Businesses do not need an overly complicated system to begin benchmarking.

A practical framework involves collecting reliable consumption data, grouping comparable facilities, selecting meaningful intensity metrics and adjusting for major operating differences.

From there, organisations can rank performance, investigate outliers and establish improvement targets.

As data quality improves, the benchmarking framework can become more sophisticated. Smart meters, interval data and energy-management platforms can provide deeper visibility into when electricity is consumed.

Most importantly, the results need to lead to action. Benchmarking should support decisions about efficiency projects, operational changes, procurement and capital expenditure rather than simply producing another management report.

Conclusion

Energy benchmarking sites gives multi-site businesses a practical way to understand how efficiently individual locations use electricity. By comparing similar facilities using normalised performance indicators, organisations can identify underperforming sites, learn from high performers and prioritise investments where they can have the greatest impact.

Furthermore, ongoing benchmarking can reveal changes in energy intensity before they become entrenched costs. When combined with consumption monitoring, efficiency improvements and strategic energy procurement, it provides a stronger foundation for managing both energy use and expenditure.

Energy Action helps Australian businesses understand and manage their energy requirements through energy procurement, management and related solutions. Businesses seeking greater visibility over energy performance and opportunities to control costs can explore Energy Action and consider how a structured energy strategy could support their operations.

Frequently Asked Questions

1. What are energy benchmarking sites?

Energy benchmarking sites is the process of comparing energy performance across similar business locations. Organisations typically use metrics such as electricity per square metre, operating hour or unit of production rather than comparing total consumption alone. This approach helps reveal facilities that perform differently from comparable sites.

2. Why should businesses benchmark energy performance across sites?

Benchmarking helps businesses identify where energy is being used efficiently and where further investigation may be required. It can also help management prioritise audits and efficiency investments instead of applying the same measures to every facility. Furthermore, high-performing sites can reveal practices that may be replicated elsewhere.

3. How do you compare sites of different sizes?

Businesses can normalise consumption using an appropriate denominator, such as floor area, production output, operating hours or occupancy. For example, kWh per square metre allows two differently sized offices to be compared more fairly. Organisations should also consider weather, operating schedules and other factors that materially affect consumption.

4. How often should energy benchmarking be performed?

The appropriate frequency depends on the business and available data, although monthly or quarterly reviews can provide useful ongoing visibility. Frequent benchmarking helps organisations identify unusual changes sooner and assess whether efficiency projects are producing expected improvements. Annual benchmarking can then provide a broader view of long-term trends.

5. Does energy benchmarking automatically identify the cause of high consumption?

No. Benchmarking identifies differences and potential areas for investigation, but it does not necessarily explain why they exist. A poorly performing site may require further analysis of equipment, operating schedules, occupancy, production levels, metering or other factors before corrective action is selected.

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