Energy Auditing

Down to Earth Sustainable Solutions follows the Australian/New Zealand Standard AS/NZS 3598:2014 for energy audits.

The Standard describes three levels of audit. The information you can expect from each level of audit are described in the table following.

The cost of an audit will vary considerably depending on the size and complexity of the site as well as the audit level required. Contact us for a preliminary site overview and quote.


Deliverables Level 1 (basic) Level 2 (intermediate) Level 3 (advanced)
Verbal report
Abbreviated report
Full analysis and report
Metering Desirable
Formal presentation to senior managers If requested
Provision of an itemized and prioritized list of recommendations to reduce energy consumption Short list of high priority actions Detailed evaluation
Level of detail of recommendations for implementation Recommendations for further action, if relevant Recommendations with brief description of necessary works Detailed recommendations allowing design & documentation to proceed
Analysis of 24 months’ bills and comparison with benchmark
Preparation of monthly or seasonal energy consumption profiles
Preparation of energy consumption targets and indicators
Site visit and commenting on major wastes
Tariff analysis
Listing of major uses If relevant
Model of energy use If requested
Daily load curves for site
Daily load curves for major plant If requested
Measurement of light levels ✔ (if relevant) ✔ (if relevant)
Monitoring of temperatures and other key parameter
Detailing key aspects of building fabric ✔ (if relevant) ✔ (if relevant)
Implementation specifications If requested (post audit activity) If requested (post audit activity)
Tariff negotiations with utilities If requested (post audit activity) If requested (post audit activity)
Bill monitoring for 18 months after report handover If requested (post audit activity) If requested (post audit activity)


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