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It’s not finished till it’s finished
Meticulous to the last second

The installation and commissioning of the emergency power system is the final, but crucial, step.

To ensure minimal disruption to the day-to-day operation systems are tested at the quietest times, even if that means doing it at night or at the weekend. We don’t leave until it’s working and the customer is satisfied.

High five, it works

We design an emergency power supply system to provide you with critical power backup in the event of a grid failure. The system is designed, engineered and built specifically for your situation. Before we install the system on-site it is subjected to rigorous testing at our designated testing facilities at IJmuiden.

Following this we will install the system on-site and connect it to your systems. At which point we must of course ascertain that everything is working as it should. Even though this is the case 99 per cent of the time, we want actual proof, both for you and for us. And it’s only fair to say that if everything is on green we can’t resist giving each other a high five.

FAT test: does the system do what it has to do

Reliability is of paramount importance where emergency power systems are concerned. You think so and so do we. The system must be capable of doing what is required of it in a given situation. Even before we prepare the emergency power system for installation at your site we will invite you to attend a so-called factory acceptance test or FAT test. You will be able to watch while we test that the system delivers the power required of it: a kind of dress rehearsal. The FAT test takes place at our testing facility in IJmuiden so that afterwards we can finish the system and for example fit it in a casing or container.


After the FAT test at our workshop in IJmuiden we will also do a SAT test once the system is installed on-site to check that it is working properly and is generating the emergency power required. The SAT test is the final step before completion.


By law the system’s engine and fuel components must be inspected every two to four years. This must be done by a SCIOS inspector. Our engineers are SCIOS-certified. As a company Zwart is also audited annually by SCIOS to assure the quality of the inspections.

We offer all in one solutions

Drawing, engineering, building, realizing and installing an installation is a project with a clear head and tail. At least for us. We know exactly what is needed in which phase. How one phase can seamlessly connect with another. Our internal processes are also closely aligned. And in the meantime we keep the customer informed step by step where we stand. That is project management the Zwart way.

Design and Engineering

An emergency power system designed for you. Quality throughout the process.

Installation and commissioning

It's only done when it's done. Accurate throughout the process.

Service and maintenance

Tip-top condition. State-of-the-art service.

Michael will gladly explain

Michael will be happy to explain to you exactly what is involved in installation and commissioning and how it works.

Michael Spaargaren

Senior Account Manager

+31(0)255 530 304

When it matters most

Reliable backup from Zwart

With over 7,000 projects in more than 50 countries in the field of emergency power and off-grid solutions, Zwart has an outstanding track record, throughout Europe, Africa and the Middle East. There is a reason why the biggest data centres and financial institutions in Europe as well as major airports and mobile networks rely on Zwart; Our 100 in-house trained professionals are qualified to design, engineer, realise and maintain integrated and complete systems for emergency power supply. And we have been doing so for over 90 years.

We set the bar high for ourselves and demand the same from our partners and suppliers; we work exclusively with premium quality products and service providers, we assemble the systems at our own 6,000-square metre site in Ijmuiden and subject them to a rigorous testing and inspection program before releasing them. Our customers also receive the same high level of attention through training and knowledge sharing our training centre equipped with a state-of-the-art simulator.

More about Zwart

Michael will be happy to explain to you exactly what is involved in installation and commissioning and how it works. Call +31 (0)255 530 304

Michael Spaargaren

Senior Account Manager

+31(0)255 530 304

How may I help you?