Standby Generators · ATS Systems · Backup Power Solutions

Generator & ATS Backup Power Systems For Critical New Zealand Infrastructure

Protect your business, facility or essential service from power outages with reliable standby generator and automatic transfer switch solutions.

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Trusted by leading New Zealand organisations

  • Vodafone
  • Heritage Hotels
  • Stamford
  • Mediaworks
  • Countdown
  • Smith & Caughey's
  • Barfoot & Thompson
  • Foodstuffs
  • NZ Blood
  • Auckland Zoo
  • New Zealand Police
  • Auckland Council
  • Auckland Airport
  • Oyster
  • Cavalier Bremworth
  • OfficeMax
  • Astech Electrical
  • DHL
  • Plan B
  • Thames-Coromandel District Council

Keep critical operations running when the grid fails.

Power Plant Supplies designs, supplies, installs and maintains complete backup power systems throughout New Zealand, ensuring uninterrupted operation of essential services and business operations.

The cost of downtime

Why Backup Power Matters

Power failures can result in:

  • Business interruption
  • Lost revenue
  • Product spoilage
  • Equipment damage
  • Health and safety risks
  • Service disruption

For critical facilities, even a short outage can have significant consequences.

Complete turnkey solutions

One Specialist For Your Entire Generator & ATS System

From the first site visit to emergency support years later, Power Plant Supplies delivers standby generators, ATS systems and emergency power systems as a complete package.

  • Site assessments
  • Load analysis
  • Generator sizing
  • ATS supply and installation
  • Fuel system design
  • Electrical integration
  • Commissioning
  • Service and maintenance
  • Emergency support
Industries we support

Backup Power For New Zealand's Critical Sectors

Commercial and industrial generator systems for the facilities that can't afford to go dark.

Healthcare

Healthcare backup power for hospitals, medical centres and aged care facilities.

Supermarkets & Retail

Supermarket backup generator systems that protect refrigeration, POS systems and business continuity.

Local Government

Council generator systems for council facilities, water infrastructure and community assets.

Infrastructure

Critical infrastructure generators for pump stations, treatment plants and critical services.

Logistics & Warehousing

Maintain operational continuity and cold storage with commercial and industrial generators.

Commercial Buildings

Keep tenants and building systems operational during a grid outage.

How it works

Generator + ATS Explained

An automatic transfer switch (ATS) monitors the grid and moves your load to the generator, with no manual intervention.

1Normal Operation
Grid Power
ATS
Building
2Power Failure
ATS detects outage
Generator starts automatically
ATS transfers load
Building remains operational
3Grid Returns
ATS returns supply to grid
Generator shuts down
Why choose Power Plant Supplies

New Zealand's Trusted Backup Power Specialist

Independent advice and complete support for critical backup power infrastructure.

01

Independent Advice

Solutions tailored to your specific site requirements.

02

Nationwide Capability

Projects and support throughout New Zealand.

03

Experienced Team

Generator specialists with expertise across commercial and industrial environments.

04

End-to-End Support

Design, installation, servicing and long-term maintenance.

05

Trusted Brands

Supply of leading generator and control system manufacturers.

Powerplant Supplies NZPower Plant Supplies Office
Service & maintenance

Generator Maintenance NZ Facilities Can Rely On

Installation is only the start. Ongoing maintenance is critical to generator reliability, so your system performs when the grid doesn't.

  • Preventative maintenance
  • Load bank testing
  • ATS testing
  • Emergency callouts
  • Compliance reporting
  • Remote monitoring options

Service contracts are available for ongoing peace of mind.

Project experience

Recent Generator Projects

A selection of recent standby and mobile generator projects delivered by Power Plant Supplies across New Zealand.

Backup Power Isn’t Optional — It’s Expected.
Backup power

Backup Power Isn’t Optional — It’s Expected.

When continuity matters, backup power isn’t optional — it’s expected. Start, take the load, and keep everything running without disruption. We’ve recently completed the installation of a Himoinsa 500…

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Himoinsa trailer
Trailer-mounted generators

Himoinsa trailer

Two Himoinsa trailer-mounted generators prepped and heading out — one bound for Christchurch and the other for Dunedin. Built for reliability and mobility.

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Supported one of New Zealand’s leading Disability Provider
Disability provider

Supported one of New Zealand’s leading Disability Provider

Proud to have supported one of New Zealand’s leading disability providers with a reliable backup power solution.

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Free resource

Backup Power Readiness Checklist for Critical Facilities

Not ready to request a quote? Use our practical checklist to evaluate your facility's backup power readiness. Ideal for councils, healthcare facilities and infrastructure operators.

Enter your email to access the download.

Trusted For Critical Backup Power

  • Nationwide support
  • Experienced generator technicians
  • Commercial & industrial focus
  • Service contracts available
  • Emergency response capability

Is Your Facility Prepared For The Next Power Outage?

Speak with the backup power specialists at Power Plant Supplies about a generator and ATS solution tailored to your facility.