Energy Management

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Energy Audit & Management Services

We have one of the largest energy audit & management teams in New Zealand & Australia, with accredited auditors, process heat & refrigeration specialists, as well as certified measurement & verification professionals.


DETA specialises in crafting carbon strategies and roadmaps for 10-30 years, pinpointing cost-effective paths to navigate future carbon markets. Our plans offer clear guidance for timely capital investments in equipment upgrades or economically viable changes.


Download carbon roadmap guide Need advice? Get in touch
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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

THE NEEDS TEAM NARU

Energy Management



An Energy Management Program is aimed at helping your business achieve its goals in energy efficiency and cost reduction. Our DETA engineers identify areas for energy cost savings on site and then present a comprehensive overview of how your business can achieve the identified savings. This Program usually begins with either a Lite or Detailed Energy Audit depending on the priorities and allocated expenditure for your business. We then work alongside you and your operations to report on, and enact, energy reduction across your site.

DETA Delivers

Our Energy Audit and Management Services


A Lite Audit offers a cost-saving and low-risk assessment to help you understand your business’s current emissions output. It will identify the best path forward for energy & carbon management opportunities for your site or business. DETA will perform a high-level review of your operations & processes, then provide estimates of the capital involved for any energy saving opportunities identified to help you prioritise the identified actions. DETA will; 


  • Carry out high level site energy optimisation reviews 
  • Provide a list of improvement priorities tied to financial ROI’s 
  • Carry out high-level carbon reduction opportunity review 
  • Assess carbon certificate and funding opportunities  

A Detailed Energy Audit, also known as an energy assessment or energy survey, is a systematic evaluation of energy usage and efficiency in your business’s buildings, facilities, or industrial process. The purpose of an energy audit is to identify areas of energy waste and inefficiencies to reveal opportunities for energy savings. A Detailed Energy Audit offers your business a more comprehensive overview of your energy usage through more thorough examination and long-term analysis. DETA will perform a detailed review of your operations & processes through the following: 


  • Visiting and inspecting sites  
  • Carrying out detailed site energy optimisation review 
  • Assessing baseline energy consumption for the sites 
  • Providing a detailed energy and carbon reduction opportunity review 
  • Detailing a list of improvement priorities tied to financial ROI’s 
  • Providing a report of findings from the study 

Once a transition strategy or project scope has been completed you need a business case.  DETA can help to create these to support justification and investment for the next stages of your project.  Creating business cases may involve;


• Developing deep feasibility and engineering studies

• Providinge a technology option assessments 

• Creatinge process engineering concept designs and infrastructure integration

• Supplying funding support assessments 

• Project Management planning


Measurement and Monitoring is the precise assessment and surveillance of energy usage at your site or facility. This assessment can aid your business in management of utility usage, performance monitoring, verification of energy saving measures and benchmarking. DETA has qualified professionals that provide assessments of current metering hardware to establish a measurement protocol and monitoring strategies for your site. DETA will provide your business with; 


  • Site metering reviews to consider current effectiveness 
  • Identification of strategic metering locations 
  • Schematics of piping and systems   
  • Metering type investigations and integration into monitoring platforms 
  • Costing assessments and planning for metering budgets 

Why Choose DETA for your Energy Management & Efficiency Project

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We're Energy Experts

DETA's team is composed of industry-leading professionals with specialised knowledge in energy management and audits, ensuring clients benefit from the latest strategies and technologies.

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Comprehensive Service Offering

Offering a wide range of services from detailed energy audits to full project implementation, DETA provides a one-stop solution for businesses looking to optimise their energy usage.

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Sustainable Results

Focused on delivering not just immediate savings but also long-term environmental benefits, DETA's approach aligns with the global shift towards sustainability, making them a partner for future-proofing businesses.

Energy Audit & Management Case Studies

Oceania Dairy Network Charge Analysis | DETA
by Simon Mullinger 15 Jul, 2021
DETA collaborated with Oceania Dairy and a local lines company to conduct a Network Charge Analysis to pinpoint critical development milestones. Read more!
Goodman Fielder Hot Water Heat Pump | DETA Consulting
by Simon Mullinger 01 Sept, 2020
DETA scoped the High-Temperature Heat Pump system for Goodman Fielder at Blenheim Road. This project will reduce energy costs by $320,000. Read more!
Regional Facilities Auckland | DETA Consulting
by Simon Mullinger 05 Oct, 2019
Learn why Regional Facilities Auckland should utilize heat pumps for heating to reduce energy consumption. Read more about our DETA Facilities Benchmarking.
Sugar Energy Graduate Support Role | DETA Consulting
by Simon Mullinger 03 Sept, 2019
DETA did an Energy Graduate Support Role for NZ Sugar. So far, the project has achieved over 10 GWh/year, equating to $250,000 per annum. Read more!
ANZCO Foods Heat Recovery | DETA Consulting
by Simon Mullinger 01 Sept, 2019
Learn how we upgraded heat recovery through the group wide program for ANZCO Foods. ANZCO worked with DETA Consulting to scope energy savings. Read more!
Tauranga Hospital | DETA Consulting
by Simon Mullinger 05 Oct, 2018
DETA did an energy audit for Tauranga Hospital & identified projects to save 257.1 MWh, cut costs by $45,290 annually, & reduce carbon emissions. Learn more!
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