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Energy Audit & Management Services

Maximise efficiency, cut costs, and future-proof your business with expert energy audit and management solutions tailored for New Zealand and Australia.

Optimise your energy use. Reduce costs. Drive sustainability.

DETA provides expert energy audit and management services to help businesses in New Zealand and Australia improve efficiency, lower energy costs, and achieve sustainability goals. With one of the largest teams of accredited energy consultants, we offer tailored energy audit services that identify opportunities for cost savings, carbon reduction, and strategic investment.

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Identify inefficiencies and cost-saving opportunities

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Reduce operational energy waste

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Enhance sustainability and compliance with energy policies

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Improve resilience to future energy price fluctuations

Energy Audits

Lite Energy Audits – Quick Insights for Immediate Action

A Lite Energy Audit is a cost-effective assessment providing a high-level review of energy usage. It helps businesses identify key efficiency opportunities without committing to a full-scale audit.


  • On-site assessment of energy usage and key equipment
  • Technology options assessment for energy-saving upgrades
  • ROI-based prioritisation of recommended improvements
  • Carbon certificate and funding opportunity review
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Energy Audits

Detailed Energy Audits – Comprehensive Energy Strategy

A Detailed Energy Audit is an in-depth, data-driven assessment, providing a roadmap for energy efficiency and long-term sustainability.


  • Mass and energy balance analysis for optimised site performance
  • Advanced energy monitoring to track real-time consumption
  • Heat recovery and process optimisation assessments
    Long-term capital investment planning
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Energy management

Energy Management Program – Ongoing Efficiency Support

Our Energy Management Program ensures businesses continually improve energy performance. We work alongside your team to implement efficiency measures, track progress, and adjust strategies as needed.


  • Custom energy management plans tailored to your operations
  • Ongoing monitoring and reporting of energy efficiency gains
  • Technology integration for smart energy solutions
  • Carbon roadmap development for long-term sustainability
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Why Choose DETA for your Energy Management & Efficiency Project

Industry-Leading Energy Consultants

Our team includes certified energy efficiency consultants with expertise across multiple industries.

Proven Track Record in NZ & Australia

We’ve helped businesses of all sizes reduce energy costs and carbon emissions.

Comprehensive Energy Audit Services

From lite audits to full-scale energy management, we tailor solutions to meet your business needs.

Sustainable Results

Our strategies ensure long-term energy savings, operational improvements, and environmental compliance.

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The NEEDS Team is grateful for the invaluable technical expertise and management support provided by DETA that has played a pivotal role in enhancing Energy Efficiency knowledge and practices across all sectors of our small island nation

Miniva Harris | NEEDS Team

Miniva Harris

NEEDS Team, Nauru