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Case Studies

Eastern Goldfields Power Project (KCGM -Super Pit)

Eastern Goldfields Power Project (KCGM -Super Pit)

The KCGM Project is a large-scale gold mining operation located in Kalgoorlie-Boulder, Western Australia. Zenith Energy has been contracted to deliver Australia’s largest renewable energy power solution for the mining sector, supporting the decarbonisation of one of the country’s most iconic mining operations.

Aerial View on the largest Australian gold mine in Kalgoorlie-Boulder. The mine is operated as underground and open cast gold mine. Kalgoorlie-Boulder, Western Australia, Australia

Project Background

Kalgoorlie Consolidated Gold Mines (KCGM), operator of the Super Pit in Western Australia, is one of Australia’s largest gold mining operations. Zenith Energy has been contracted to deliver a renewable energy project and in a JV with Northern Star Resources a dual fuel thermal power station to support the KCGM expansion while significantly reducing its carbon intensity. The project represents a major step in the decarbonisation of large, energy-intensive mining operations. 

Renewable Integration

The renewable project integrates 256 MW of wind generation138 MW of solar photovoltaic capacity, and a 138 MW / 300 MWh battery energy storage system to deliver renewable power while managing intermittency. 

How Zenith is Leading the Sector

Zenith Energy has entered into a 25-year Power Purchase Agreement (PPA) with Northern Star Resources to design, build, own, and operate Australia’s largest renewable energy project dedicated to mining. 

This project increases Zenith’s portfolio renewable energy to 59% of its total contracted capacity, reinforcing Zenith’s leadership in large-scale renewable integration for the mining sector. 

Installed Capacity

  • Wind: 256 MW 
  • Solar PV: 138 MW 
  • Battery Energy Storage System (BESS): 138 MW / 300 MWh
  • Total Renewable Capacity: 394 MW plus 300 MWh of storage
  • In addition, 140 MW of thermal generation will be delivered under a joint venture with Northern Star to ensure system reliability and continuity of supply. 

Commercial Operation date

Commissioning is targeted for mid-2027, subject to environmental and regulatory approvals.

Contract Term

The project is underpinned by 25-year Power Purchase Agreements with Northern Star Resources. Under this long-term framework, Zenith will construct, own, and operate power solution including the associated transmission infrastructure. 

Project name
Eastern Goldfields Power Project (KCGM -Super Pit)
Location

Kalgoorlie

Client
Northern Star Resources
Capacity
394 MW plus 300 MWh of storage
Fuel source
Gas, Hybrid Renewable
CONTRACT

BOO

COMMENCEMENT

2025

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Case Studies

Ocean Reef Marina

Ocean Reef Marina

Zenith Energy is engaged to deliver a renewable energy system for Ocean Reef Marina, designed to meet the energy needs of this coastal, mixed-use development, combining residential, retail, and marina facilities.

Project Background

Ocean Reef Renewable Energy (ORRE) is the owner and operator of the microgrid that will service the Ocean Reef Marina (ORM) Microgrid, a mixed-use marina being developed by DevelopmentWA. ORM, at full planned development, will include 1,000 residential homes and over 18,000m² of retail and commercial space, with a planned energy supply of over 9,000 MWh per annum.

Energy Source

The ORM Microgrid will incorporate embedded solar generation and battery storage.

How Zenith is Leading the Sector

Zenith Energy, through ORRE, is implementing an innovative microgrid solution to support sustainable energy for mixed-use developments.

Installed Capacity

Expected to include a 4MVA grid connection, with 1.75MW of rooftop and ground-mounted solar arrays and a 4.6MWh Battery Energy Storage System (BESS).

Commercial Operation Date (COD)

Network handover anticipated in 2024.

Contract Term

Long-term operation of the microgrid to support ongoing development and energy needs.

Client’s Decarbonisation Objective

DevelopmentWA aims to create a sustainable, low-carbon footprint for Ocean Reef Marina, facilitating the integration of renewable energy for residential and commercial spaces.

Additional Information

ORRE holds an Electricity Retail Licence (ERL009) and an Electricity Distribution Licence (EDL032), ensuring reliable energy distribution within the ORM development.

Project name

Ocean Reef Marina

Location

Ocean Reef, Western Australia.

Client

Development WA

Capacity

5 MW

Fuel source
BESS, Hybrid Renewable, Solar PV
CONTRACT

ORRE holds licenses including the Electricity Retail License (ERL009) and Electricity Distribution License (EDL032).

COMMENCEMENT

2024

  • 21 MW

    Gas, Network Infrastructure

    Barrow Island – Project previously under Zenith Energy contract

    Client: Chevron • Capacity: 21 MW

  • 19.8 MW

    Gas

    Mt Morgans

    Client: Dacian Gold • Capacity: 19.8 MW

  • 90.1 MW

    BESS, Gas, Hybrid Renewable, Solar PV, Wind

    Bellevue Gold

    Client: Bellevue Gold • Capacity: 90.1 MW hybrid power station that combines solar, wind, and battery energy storage with thermal generation.

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Case Studies

Eglinton Village Energy

Eglinton Village Energy

Zenith Energy is providing a renewable energy solution for the Eglinton Village development, supporting sustainable energy needs in a growing residential and commercial community in Western Australia.

Project Background

Eglinton Village Energy (EVE) is the owner and operator of the microgrid for the Eglinton Village Microgrid, a residential estate developed by Cedar Woods Properties. At full development, Eglinton Village will comprise around 1,300 residential homes, a community centre, and a school, with a total energy supply of approximately 11,000 MWh per annum.

Energy Source

The microgrid will leverage solar power with battery storage.

How Zenith is Leading the Sector

Zenith Energy, through EVE, is advancing renewable energy solutions for residential developments, creating a sustainable energy infrastructure for communities.

Installed Capacity

Forecast to include 4.4MW of rooftop solar arrays and a 6MWh BESS.

Commercial Operation Date (COD)

First residential loads expected in 2024.

Contract Term

Long-term project designed to meet the growing energy needs of Eglinton Village.

Client’s Decarbonisation Objective

Cedar Woods aims to support sustainable living with renewable-powered infrastructure to meet residential and community energy demands.

Additional Information

EVE holds an Electricity Retail Licence (ERL010) and an Electricity Distribution Licence (EDL033), ensuring sustainable and reliable energy delivery for the Eglinton Village development.

Project name

Eglinton Village Energy

Location

Eglinton, Western Australia.

Client

Cedar Woods

Capacity

5 MW

Fuel source
Batteries, Hybrid Renewable, Solar PV
CONTRACT

Long-term.

COMMENCEMENT

Initial contract signed in 2023

  • 21 MW

    Gas, Network Infrastructure

    Barrow Island – Project previously under Zenith Energy contract

    Client: Chevron • Capacity: 21 MW

  • 19.8 MW

    Gas

    Mt Morgans

    Client: Dacian Gold • Capacity: 19.8 MW

  • 90.1 MW

    BESS, Gas, Hybrid Renewable, Solar PV, Wind

    Bellevue Gold

    Client: Bellevue Gold • Capacity: 90.1 MW hybrid power station that combines solar, wind, and battery energy storage with thermal generation.

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Case Studies

Mt Weld

Mt Weld

The project integrates 7 MW of solar, 24 MW of wind, and a 12 MW/12 MWh BESS, enabling “Engine Off” capabilities. The goal is to cover up to 70% of the project’s energy needs with renewable energy by 2026, reducing its reliance on diesel and lowering emissions.

Project Background

The Mt Weld Project, operated by Lynas Rare Earths, is a significant rare earths mining operation in Western Australia. The project is transitioning from diesel to a hybrid gas and renewable energy solution to reduce greenhouse gas emissions and lower power costs.

Renewable Integration

The project integrates 7 MW of solar, 24 MW of wind, and a 12 MW/12 MWh BESS, enabling “Engine Off” capabilities. The goal is to cover up to 70% of the project’s energy needs with renewable energy by 2026, reducing its reliance on diesel and lowering emissions.

How Zenith is Leading the Sector

Zenith Energy is spearheading the renewable transition at Mt Weld with a 65 MW hybrid power station, featuring wind, solar, and battery storage. By overseeing the design, construction, and operation of this station, Zenith is solidifying its position as a leader in renewable energy solutions within the mining sector.

Installed capacity

  • Thermal: Gas 16.8MW, Diesel 5MW, Total 21.8MW
  • Solar: 7MW
  • Wind: 24MW, Consisting of 4 x 6MW Goldwind Turbines with a rotor Diameter of 165M, and a total height of 212M.
  • BESS: 12 MW/12 MWh Battery Energy Storage System
  • Synchronous condensers: 2 x 5MVAr Syncon.
  • ‘Engine Off’ enabled – the ability to operate on 100% renewable energy when conditions allow.
  • Renewable energy fraction: The goal is for approximately 70% of the project’s energy needs to be met by renewable energy.

Commercial operation date (COD)

  • Diesel Powerstation is already complete
  • Gas Powerstation is scheduled for Q1 CY2025.
  • Solar and BESS is scheduled for Q3 CY2025.
  • The wind farm is scheduled to commence commercial operations in Q1 2026.

Contract term

The Power Purchase Agreement (PPA) is for a 15-year term, starting from the commercial operation of the wind farm.

Client’s decarbonisation objective

Lynas Rare Earths is committed to reducing its greenhouse gas emissions by transitioning from diesel to a gas-fired hybrid renewable power station. The decommissioning of the existing diesel power plant will occur once the gas-fired station is operational. This transition aligns with Lynas’ goal of lowering emissions while also reducing the cost of power compared to a thermal-only solution.

Additional information

Zenith Energy is responsible for the design, construction, ownership, operation, and maintenance of the Mt Weld Hybrid Power Station, which will have a total installed capacity of 65 MW upon completion. Early construction works began in 2023 under Preliminary and Early Works Agreements with Lynas. This collaboration with Lynas further solidifies Zenith Energy’s leadership in the renewable energy transition within the mining sector.

Project name

Mt Weld

Location

Mt Weld, Western Australia, Australia

Client

Lynas Rare Earths

Capacity

65MW

Fuel source
BESS, Gas, Hybrid Renewable, Solar PV, Wind
CONTRACT

15-year Power Purchase Agreement (PPA)

COMMENCEMENT

Gas power station scheduled for Q1 2025, solar and BESS in Q3 2025, wind farm in Q1 2026

  • 21 MW

    Gas, Network Infrastructure

    Barrow Island – Project previously under Zenith Energy contract

    Client: Chevron • Capacity: 21 MW

  • 19.8 MW

    Gas

    Mt Morgans

    Client: Dacian Gold • Capacity: 19.8 MW

  • 90.1 MW

    BESS, Gas, Hybrid Renewable, Solar PV, Wind

    Bellevue Gold

    Client: Bellevue Gold • Capacity: 90.1 MW hybrid power station that combines solar, wind, and battery energy storage with thermal generation.

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Case Studies

Kathleen Valley

Kathleen Valley

The project features 17 MW of solar, 30 MW of wind, and a 17 MW/20 MWh BESS, which enable “Engine Off” capabilities. The hybrid system is designed to meet up to 80% of the project’s energy needs through renewable energy in the near future, significantly reducing the mine’s carbon footprint.

Project Background

The Kathleen Valley Project is a lithium mining operation led by Liontown Resources. The project focuses on integrating a hybrid power solution that maximises renewable energy usage to support the energy-intensive mining process, reflecting Liontown’s commitment to sustainability.

Renewable Integration

The project features 17 MW of solar, 30 MW of wind, and a 17 MW/20 MWh BESS, which enable “Engine Off” capabilities. The hybrid system is designed to meet up to 80% of the project’s energy needs through renewable energy in the near future, significantly reducing the mine’s carbon footprint.

How Zenith is Leading the Sector

Zenith Energy has developed Australia’s largest operating off-grid hybrid power system for this project, combining renewable energy sources with thermal generation. This solution not only demonstrates Zenith’s leadership in integrating renewables in remote mining operations but also aligns with Australia’s energy transition goals.

Installed capacity

  • Thermal: Gas – 26.4MW, Diesel 5MW, Total 31.4MW
  • LNG Storage and Regasification Facility
  • Solar: 17.1MW
  • Wind: 30MW, Consisting of 5 x 6MW Goldwind Turbines with a rotor Diameter of 165M, and a total height of 212M.
  • BESS: Battery Energy Storage System of 17.2MW/20 MWh
  • Synchronous condensers: 3 x 2.8MVAr Syncons.
  • ‘Engine Off’ enabled – the ability to operate on 100% renewable energy when conditions allow.

Renewable energy fraction

The goal is for approximately 80% of the project’s energy needs to be met by renewable energy.

Commercial operation date (COD)

The hybrid power plant was officially inaugurated on 9th October 2024 but has been operating since early 2024.

Contract term

Long-term Power Purchase Agreement (PPA) 15 years.

Client’s decarbonisation objective

Liontown Resources aims to minimise its carbon footprint by using renewable energy in its mining operations.

Additional information

The Kathleen Valley Project, integrates a hybrid power solution that is the largest operating off-grid hybrid power system in Australia. It includes solar, wind, and battery energy storage alongside thermal generation. This solution supports Liontown Resources’ commitment to sustainability and its goal of reducing carbon emissions in line with Australia’s energy transition efforts.

Project name

Kathleen Valley

Location

Kathleen Valley, Western Australia, Australia

Client

Liontown Resources

Capacity

95.7 MW (Hybrid System: 27 MW Gas, 5 MW Diesel, 17 MW Solar, 30 MW Wind, 17 MW/20 MWh BESS)

Fuel source
BESS, Gas, Hybrid Renewable, Solar PV, Wind
CONTRACT

15-year Power Purchase Agreement (PPA)

COMMENCEMENT

Inaugurated on 9th October 2024, operational since early 2024

  • 21 MW

    Gas, Network Infrastructure

    Barrow Island – Project previously under Zenith Energy contract

    Client: Chevron • Capacity: 21 MW

  • 19.8 MW

    Gas

    Mt Morgans

    Client: Dacian Gold • Capacity: 19.8 MW

  • 90.1 MW

    BESS, Gas, Hybrid Renewable, Solar PV, Wind

    Bellevue Gold

    Client: Bellevue Gold • Capacity: 90.1 MW hybrid power station that combines solar, wind, and battery energy storage with thermal generation.

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Case Studies

Bellevue Gold

Bellevue Gold

The project includes 27 MW of solar, 24 MW of wind, and a 15 MW / 30 MWh Battery Energy Storage System (BESS), enabling “engine off” operations. This setup allows the project to run entirely on renewable energy during favourable conditions, meeting well over 80% of its power demand through renewable energy.

Project Background

The Bellevue Gold Project is a large-scale gold mining operation in Western Australia, aiming to lead the sector in decarbonisation. The project includes a hybrid power station that integrates renewable energy sources alongside traditional thermal generation to achieve significant reductions in greenhouse gas emissions.

Renewable Integration

The project includes 27 MW of solar, 24 MW of wind, and a 15 MW / 30 MWh Battery Energy Storage System (BESS), enabling “engine off” operations. This setup allows the project to run entirely on renewable energy during favourable conditions, meeting well over 80% of its power demand through renewable energy.

How Zenith is Leading the Sector

Zenith Energy is setting the standard by operating a 90 MW hybrid power station that combines solar, wind, and battery energy storage with thermal generation. This innovative approach supports Bellevue Gold’s goal of becoming the world’s first net zero (Scope 1 and Scope 2) emission gold mine, and by being Australia’s most renewably powered mine. The collaboration with Tjiwarl Contracting Services also highlights Zenith’s commitment to Indigenous engagement.

Installed capacity

  • Wind: 24 MW, consisting of four GW165/6.0MW Goldwind turbines with a total height of 212M.
  • Solar: 27 MW
  • BESS: 15 MW / 30 MWh
  • Thermal: Gas – 15 MW, Diesel 9 MW, Total 24 MW
  • BESS: Battery Energy Storage System of 15 MW/33 MWh
  • LNG Storage and Regasification Facility
  • Synchronous condensers: 1 x 5MVAr synchroniser condenser.

Renewable energy fraction

The goal is for approximately 80% of the project’s energy needs to be met by renewable energy, which is performing well.

Commercial operation date (COD)

May 2024.

Contract term

Power Purchase Agreement (PPA) for an initial term of 15 years.

Client’s decarbonisation objective

To significantly reduce greenhouse gas (GHG) emissions by primarily operating on renewable energy. Bellevue Gold aims to become the world’s first net zero (Scope 1 and Scope 2) emission gold mine by utilising high levels of renewable energy and considering other emission reduction measures and the voluntary use of high-quality Australian Carbon Credit Units (ACCUs) for the residual hard-to-abate emissions.

Additional information

Zenith Energy and Bellevue Gold have partnered to establish an innovative 90 MW hybrid power station for the Bellevue Gold Project. The hybrid power station consists of wind and solar generation, thermal generation, and battery storage, enabling the project to operate on 100% renewable energy during periods of high renewable generation. This partnership also advances the Tjiwarl Katu Power Joint Venture between Zenith Energy and Tjiwarl Contracting Services, which represents the Tjiwarl Aboriginal Corporation, who are the Traditional Owners of the land where the Bellevue Gold Project is located.

Project name

Bellevue Gold

Location

Western Australia, Australia

Client

Bellevue Gold

Capacity

90 MW hybrid power station that combines solar, wind, and battery energy storage with thermal generation.

Fuel source
BESS, Gas, Hybrid Renewable, Solar PV, Wind
CONTRACT

15-year Power Purchase Agreement (PPA)

COMMENCEMENT

Commercial operation date (COD) May 2024

  • 21 MW

    Gas, Network Infrastructure

    Barrow Island – Project previously under Zenith Energy contract

    Client: Chevron • Capacity: 21 MW

  • 19.8 MW

    Gas

    Mt Morgans

    Client: Dacian Gold • Capacity: 19.8 MW

  • 90.1 MW

    BESS, Gas, Hybrid Renewable, Solar PV, Wind

    Bellevue Gold

    Client: Bellevue Gold • Capacity: 90.1 MW hybrid power station that combines solar, wind, and battery energy storage with thermal generation.