• Prefabricated Plant Rooms


Entec provides a bespoke design & build service for prefabricated plant rooms. A plant room, otherwise known as an e-house, switchroom, industrial plant room, motor control centre (MCC room) or mobile substation, are enclosed spaces housing a variety of equipment, ranging from LV or HV electrical infrastructure to generators, pumps, boilers or HVAC equipment.


Prefabricated Plant Rooms



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Mark Knowles

Director - Strategic Sales & Innovation

A Modern Solution for Efficient, Scalable, and Durable Plant Infrastructure 


In today’s fast-paced construction and industrial environments, the demand for rapid deployment, structural integrity, and long-term reliability is higher than ever. Entec’s prefabricated plant rooms offer a cutting-edge solution that meet these demands. These modular structures are engineered off-site, delivered ready for installation, and designed to house critical electrical systems in a secure, weatherproof, and scalable environment. 

Benefits of Prefabricated Plant Rooms

Prefabricated plant rooms built offer a host of advantages over traditional on-site construction: 

1. Speed of Deployment

Prefabrication allows for simultaneous site preparation and off-site manufacturing. This parallel workflow significantly reduces project timelines. Once delivered, the plant room can be installed and commissioned in a matter of days, not weeks. 

2. Quality Control

Manufacturing in a controlled factory environment ensures consistent quality, precision engineering, and adherence to strict standards. This reduces the risk of on-site errors and rework. 

3. Reduced Site Disruption

On-site construction can be noisy, messy, and disruptive. Prefabricated plant rooms minimize this disruption by arriving nearly complete and requiring minimal on-site work. 

4. Design Flexibility

Entec’s prefabricated plant rooms can be customized to accommodate a wide range of equipment layouts, access requirements, and environmental conditions. Whether you need a single-room unit or a multi-bay complex, the modular nature of these structures allows for scalable and adaptable solutions. 

 

Prefabricated Plant Room


Take a virtual tour of one of our prefabricated plant rooms

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Applications Across Industries

Steel portal frame prefabricated plant rooms are used across a wide range of sectors, including:

Providing an enclosed environment for switchgear, control systems and power measurement & protection equipment

Serving as pump stations, electrical substations, or switchrooms for water infrastructure

Reducing construction costs and schedules with prefabricated solutions for remote work sites such as mines or pipeline and transmission assets

Housing electrical systems for hospitals and clinics

Providing secure infrastructure for cooling and power distribution

Enclosing process equipment and utility systems


Their versatility makes them a go-to solution for any project requiring a robust, enclosed space for electrical infrastructure.

Key Features and Customization Options

Every project has unique requirements, and prefabricated plant rooms can be tailored to meet them. Common features include:

  • Insulated wall and roof panels for thermal efficiency
  • Louvered or mechanical ventilation systems
  • Fire-rated construction and passive fire protection
  • Anti-vibration mounts and acoustic insulation
  • Integrated cable trays, pipe supports, and access platforms
  • Lighting, power distribution, and control systems
  • Weatherproof and corrosion-resistant finishes

Optional features such as remote monitoring, climate control, and security systems can also be integrated to enhance functionality and safety.

Sustainability and Environmental Benefits

Prefabricated steel structures are inherently more sustainable than traditional builds. The controlled manufacturing process reduces material waste, and steel is one of the most recyclable materials in the world. Additionally, the energy efficiency of well-insulated plant rooms contributes to lower operational carbon footprints.

Built Off-Site. Installed On-Site. No Fuss.

All our prefabricated plant rooms are built in our dedicated workshop in Taranaki. This controlled environment allows us to maintain high quality standards, reduce site risk, and accelerate project timelines.

The Process


Concept design & budget estimate

Constructability review & GA drawings

Detailed design & quotation

Fabrication & fit-out

Factory Acceptance Testing (FAT)

Transport to site

Installation & commissioning


We manage the entire process in-house, including the manufacture of switchboards, MCCs, and control panels through our TCE Controls division. This vertical integration means fewer moving parts for you—and a smoother project delivery.


Type 1: Containerised

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Type 2: Insulated Sandwich Panel

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Type 3: Steel Portal Frame

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Prefabricated Plant Room Brochure

PDF 1.8 MB

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