Electrical Engineering Support Across Design, Commissioning and Project Delivery
Cirflow is an electrical engineering consultancy supporting the planning, design and delivery of critical energy infrastructure projects across New Zealand and the Pacific.
We provide specialist engineering support to utilities, developers and consulting teams delivering complex electrical systems, including high-voltage infrastructure, renewable generation, Battery Energy Storage Systems (BESS), protection and control systems, and the commissioning of major electrical assets.
Cirflow works across the full project lifecycle, from concept development and detailed design through to testing, commissioning and operational support.
Engineering Leadership
Cirflow is led by Matthew Mann, an electrical engineer with extensive experience delivering power infrastructure projects across the electricity supply industry.
Matthew has worked across transmission, distribution and renewable energy infrastructure in Australia, New Zealand and Pacific island networks, supporting utilities, EPC contractors and engineering consultants on complex projects.
His experience spans both engineering design and field commissioning, providing a practical understanding of how electrical systems perform within live operating networks.
Energy Infrastructure Experience
Cirflow has supported projects involving a wide range of electrical infrastructure, including:
- Battery Energy Storage Systems (BESS)
- Static-VAr Compensators (SVCs)
- Solar PV generation systems
- High-voltage transformers and switchgear
- Protection and control systems
- Green-field Substation and Substation refurbishments
- Hybrid diesel and renewable generation systems
This work includes supporting projects from early concept and design stages through to commissioning and operational integration. Cirflow has supported infrastructure delivery across both utility-led and donor-funded programmes, with experience navigating stakeholder coordination, reporting requirements, and project governance in Pacific environments.
Supporting Remote and Island Power Systems
Cirflow has particular experience supporting infrastructure projects in remote and island-based power networks across New Zealand and the Pacific.
These systems often operate with:
- Limited network redundancy
- Constrained generation capacity
- Logistical and maintenance challenges
- Increasing integration of renewable generation and energy storage
Cirflow works with project teams to ensure infrastructure solutions are technically robust, maintainable and suited to the realities of operating isolated power systems.
Capacity Building and Knowledge Transfer
In addition to delivering engineering services, Cirflow supports the development of local technical capability within the power sector, including:
- Training and mentoring of local engineers and technicians
- Knowledge transfer during commissioning and testing activities
- Development of operational procedures and documentation
- Supporting utilities to maintain and operate infrastructure independently
This approach helps ensure that projects deliver long-term benefits for local power systems and the communities they serve.
Values and Approach
Cirflow’s work is guided by a commitment to integrity, service and responsible engineering practice.
The company is founded on Christian values that emphasise stewardship, integrity, service to communities, and the responsible development of infrastructure that improves lives and supports sustainable economic development.
Cirflow brings together the ideas of circuit and flow, representing power, information and project delivery, alongside a commitment to purposeful, values-led engineering.
This perspective underpins Cirflow’s interest in supporting power infrastructure projects in developing regions, particularly across the Pacific, including work within donor-funded and development-supported programmes.
Cirflow works closely with utilities, donor agencies, engineering consultants and project teams across the electricity sector, with an understanding of the technical, stakeholder and reporting requirements associated with both utility-led and donor-funded projects.
Professional memberships include Engineering New Zealand, the Electricity Engineers’ Association of New Zealand, and CIGRE.