Mundaring WA Australia

Acciona Trility JV Pty Ltd

Nestor DeNiese
Sales Manager - Power Generation
The Problem

The ACCIONA Trility JV (ATJV) was the delivery contractor for the Mundaring DWTP project and was responsible for the design, construction, operation and maintenance of the A$300M water treatment plant.

The requirement was as below

  • Design and manufacture in compliance with Water Corporation specifications.
  • A sound level limit of 65 dB(A) @7m.
  • Reliable and competitive product.
  • Two sources of power to back up the water pump’s power supply and the water treatment facility downstream.
Key Takeaways
  • 1x

    KX3300 3300kVA Power Generator

  • 2x

    KX2800 2800kVA Power Generators 

  • 65 dB(A)

    at 7m low noise level 


Two x 2800kVA and one x 3300 kVA generators equipped with MTU engines were set up in soundproofed containers to provide a reliable source of power.

The containers were specifically designed with sound barrier panels, exhaust silencers and vibration mounts between the generator and the base to reach a challenging sound level of 65 dB(A) @7m.

The solution also integrates a full 7 days fuel supply and bypass system. The cooling system was installed on the roof and allows the generator to run under extreme conditions (up to 42°C).


The flexibility of CAPS generators powered by Kohler made it possible to meet the exacting and challenging requirements of the water corporation brief. Mundaring is now equipped with a customised solution fitting their need for a reliable, robust and quiet source of power.

The CAPS maintenance contract and the 24/7 assistance combined with the engineering development achieved on this project will provide a complete and durable power solution to the Mundaring Water Works.

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