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Simulated workplace
Scenario · Operational Excellence

Conduct a detailed energy audit of the sort building

You are an operational excellence analyst working with the advisory team.

Intermediate5 to 6 hours8 tasks
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The situation

What has happened

The Eastern Creek sort building uses about 60 percent of the site's electricity through conveyors, optical sorters, balers, compressors and high bay lighting. Two projects are proposed: variable speed drives on the main conveyors and rooftop solar. Fiona Ashcroft wants a detailed energy audit under the procedure before committing capital. Harpreet Gill has twelve months of interval data, the equipment register with motor ratings and operating hours, and the electricity invoices. Sub-metering exists on the compressors only. The building runs two shifts, six days, and the out of hours base load has never been measured. The management review on 22 September wants the ranked opportunities and a business case for the drives project.

Your brief. Conduct the audit to the detailed level: assemble and check the data, walk the building during operation and after hours, build an energy balance that reconciles to the invoices, quantify and rank the opportunities with emissions avoided, and complete the business case template for the variable speed drive project.
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Tasks

Deliverables

  • Audit plan and audit workbook with sources
  • Energy balance reconciled to invoices
  • Ranked opportunity list with emissions avoided
  • Completed business case for the variable speed drive project
  • Audit report for management review

Documents to use

Systems to use

Continuous Improvement Register

Tracks improvement actions from every site and program with owner, due date, status and measured benefit.

Client Projects and Audits Register

Tracks advisory and monitoring engagements from proposal to final report, including audits, footprints, reports and monitoring programs.

For trainers and assessors

Units of competency

Current on training.gov.au for the Sustainability as at 10 September 2026.

MSS015040Conduct a sustainability energy audit
MSS015042Measure and report carbon footprint
MSS015046Develop a business case for sustainability improvements
MSS014016Evaluate sustainability impact from a work area or process
MSS405087Investigate energy management as a business issue

Qualifications

MSS40122Certificate IV in Sustainable Operations
MSS50122Diploma of Sustainable Operations
Assessor notes

What to look for

Evidence guide

The energy balance must reconcile to the invoices and every figure must have a source. Look for the base load actually measured or derived from data rather than guessed, opportunities quantified with stated assumptions and current emission factors, and a business case with a genuine do nothing option. The report must state the audit level and its limitations honestly.

The student's evidence summary lists every record they created or changed in the systems named above, their notes and the tasks they ticked. Verify it against the deliverables and your own assessment tool.