Our Projects
Flow Battery Pilot Project
Pioneering Next-Gen Energy Storage with Allegro Energy
Client: Allegro Energy Pty Ltd
Unity supported Allegro Energy Pty Ltd in the design and construction of their innovative pilot flow battery – an exciting step toward sustainable, scalable energy storage.
Unity’s contributions included:
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Ensuring compliance with Australian Standards
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Applying industry best practices for safety and performance
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Electrical design solution
Mine Water Substation Design
Critical Site Infrastructure MV and LV Electrical Design
Client: PBE Rutherford Mining Pty Ltd
February 2024 – February 2025
Unity undertook the Electrical design for PBE Rutherford Mining for the replacement of a Mine Water Substation, supporting water services pump operations on site for their client.
Unity’s contributions included:
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MV & LV design for new Substation replacement for site water services pumps
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Detailed electrical calculations in compliance with Australian Standards
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The development of drawings and schedules to assist with procurement
Birdwood Energy's Sandy Hollow Solar Farm & BESS
Empowering Clean Energy with Smart Engineering
Client: Birdwood Energy
Unity collaborated with Birdwood Energy to support the development of the Sandy Hollow Solar Farm and Battery Energy Storage System (BESS), delivering key technical studies to ensure a reliable and efficient connection to the grid:
Unity’s contributions included:
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Generator Performance Studies using Siemens PSSe to ensure seamless integration with the power network
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Protection and Coordination Studies using SKM PTW, safeguarding system performance and reliability
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Power Quality Studies using Siemens PSS Sincal
Vickery Extension Project
Delivering robust and scalable electrical solutions for large-scale mining operations
Client: Whitehaven Coal
July 2022 – Ongoing
Unity supported Whitehaven Coal in the Vickery Expansion Project in a major infrastructure initiative involving the development of a new open-cut coal mine located approximately 25km north of Gunnedah.
Unity's contributions included:
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15km overhead line design for voltages for 415V up to 66kV
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Liaising with DNSP for connections
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Concept design for 66kV switching stations
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Concept design of 66kV/22kV substations
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ASP3 network design
Ironbark Substation
Ensuring future-ready substation solutions for mining
Client: PBE Rutherford Mining
May 2022 - September 2024
Unity collaborated with PBE Rutherford Mining to design a 25MVA 132/11kV main mine substation to support mining operations in Central Queensland
Unity's contributions included:
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Primary switchyard design
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Protection panel design
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Low voltage distribution design
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Communications design
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Protection scheme design
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Switch room design
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Technical specifications
Narrabri Coal Operations - Expansion Project
Proving advanced electrical engineering services to support the mine’s evolving infrastructure and future energy integration
Client: Whitehaven Coal Narrabri
October 2020 - November 2024
Unity provided Whitehaven Coal with a future-ready Electrical Design package for the Narrabri Underground Coal Mine which has been operational since 2012.
Unity's contributions included:
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Power System modelling and protection design
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DNSP application for future solar
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66kV overhead line design
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Statcom design integration
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66/11kV transportable substation design