For over 40 years, Diona has partnered with leading asset owners to keep the water running, lights on and waste managed for Australian communities.
Why Diona?

Calibre Group Completes Refinancing - Enabled to Thrive

CALIBRE Group is expanding its reach and impact as a strong challenger in the Australian and New Zealand infrastructure market, securing a new $130 million finance package and signalling the completion of its debt refinancing process.

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Diona is delivering the Baldwin Road Sewer Pump Station and Rising Main for Gippsland Water.

Hayes Hill Branch Gravity Sewer

Enabling Major Infrastructure Projects

We share our insights into enabling works for major infrastructure projects through early contractor involvement.

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Every day at Diona we are enabling Australian communities to thrive by delivering the essential services that people need to enjoy a safe, healthy and happy life.

What we've achieved

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41 Years of Operation
Since 1980

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2,005 Project Delivered

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5,100 Kilometres of underground infrastructure delivered

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12,630,000 Hours worked

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$1,000,000 Donated in support of mental health

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54,325 Community notifications issued in 2021

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21 Compliments received in 2021

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31 Positive community interactions 2021
Doing that 'little bit extra' for the community