Energy, Carbon & Sustainability Consulting in Wellington, New Zealand
Based in the heart of New Zealand’s capital, DETA’s Wellington team helps organisations improve efficiency, cut emissions, and build long-term sustainability. From government agencies and infrastructure providers to manufacturing and commercial operations, we provide practical engineering advice and data-driven strategies that deliver real results for businesses across the Lower North Island.

Level 2, 119 Featherston Street
Wellington 6011
New Zealand
PO Box 25175,
Wellington
6140
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What we do across Wellington & the Lower North Island
We deliver a full suite of energy, carbon, and sustainability services designed to help organisations operate smarter and cleaner:
Identify waste, manage costs, and stay compliant with expert guidance from DETA’s auditors, engineers, and energy specialists.
Measure and manage your carbon footprint with tailored strategies that support local and national emissions-reduction goals.
From feasibility to delivery, our team manages complex infrastructure and industrial projects — on time and within budget.
Support sustainability targets by improving water use, reducing losses, and strengthening compliance with local environmental standards.
Boost throughput and reliability with data-led process analysis for manufacturing, food & beverage, and industrial clients.
Align your business with stakeholder expectations through robust ESG frameworks, TCFD/ISSB reporting, and long-term sustainability planning.
LOCAL CASE STUDY
EECA – Energy Transition Accelerator Programme
DETA worked with the Energy Efficiency and Conservation Authority (EECA) to deliver decarbonisation roadmaps for large New Zealand energy users as part of the Energy Transition Accelerator (ETA) Programme.
Our team supported major sectors including dairy, meat processing, and healthcare, helping businesses plan and implement practical steps to cut emissions and transition away from fossil fuels. For the Alliance Group, DETA developed a 10-year roadmap to phase out coal by 2030 — identifying the most cost-effective pathway using electrification and biomass solutions.
The programme helped some of New Zealand’s largest organisations move confidently toward a low-carbon future.
Why choose DETA in Wellington
- Deep understanding of government, infrastructure, and public-sector energy needs
- Strong track record across manufacturing, healthcare, and commercial industries
- Local consultants with national capability and global insight
- Complete support — from assessment and strategy to implementation and reporting
Meet our New Zealand team
- Gerald Crawford – Senior Engineer
- Chris Kolless – Business Development New Zealand
Get in touch via the contact form below and our Wellington-based team will be in touch.
