Pine Lodge 250 MW / 590 MWh BESS Commissioning

250MW Power
590MW Energy
Pine Lodge, approximately 13 km east of Shepparton, Greater Shepparton, Victoria Location
ACLE Services Pty Ltd Client
2026 Completion
Client
ACLE Services Pty Ltd
Developer
ACEnergy
Location
Pine Lodge, approximately 13 km east of Shepparton, Greater Shepparton, Victoria, VIC
Grid Connection
Pine Lodge Transmission Station
Capacity
250 MW / 590 MWh (~2.4 hr duration)
Voltage
Up to 33 kV
Battery OEM
CATL
PCS-side Switchgear
ORMAZABAL medium voltage ring main units
Site Size
Approximately 10 hectares
Asset Type
To be confirmed with PM prior to publish
Project Type
Utility-scale BESS commissioning, including commissioning management
Duration
Commissioning Management Services plus full primary and secondary testing across PCS, kiosk, 33 kV switchboard, DC and AC distribution boards, ATS, harmonic filter panels, battery banks, BESS earthing, and complete BESS SCADA
Megavar Scope
Primary design support, secondary systems design and modification, relay logic and settings changes, HV withstand testing, functional testing, and commissioning sign-off
Technicians Performing High Voltage (HV) Substation Commissioning Inside a Control Room
Technician Inspecting Equipment During High Voltage (HV) Substation Commissioning

Overview

Pine Lodge BESS is a 250 MW / 590 MWh utility-scale battery energy storage facility on a 10 hectare site approximately 13 kilometres east of Shepparton in central north Victoria. It is one of the larger BESS projects currently in the final stages of commissioning in Australia and connects to the grid through the Pine Lodge Transmission Station.

 

The project was developed to ready-to-build by ACEnergy and subsequently transferred, with ACLE Services engaged as the EPC contractor. ACLE contracted Megavar to deliver both the Commissioning Management Services for the BESS and the full testing and commissioning scope. Running both under one Megavar engagement, rather than splitting the commissioning manager and the testing team across two contractors, removed a layer of coordination overhead on a programme that was already under time pressure.

 

The battery technology on site is supplied by CATL. The medium voltage Power Conversion System switchgear is ORMAZABAL ring main units, and the 33 kV switchboard is configured with a bus coupler tying the two sides of the switchboard together. The full Megavar scope covered everything from the PCS skids through to the BESS SCADA integration.

Scope of Work

  • Commissioning Management Services for the BESS, covering programme management, subcontractor coordination, test sequence management, and client reporting
  • Primary and secondary testing of the Power Conversion System (PCS) skids and associated ORMAZABAL medium voltage ring main units
  • Primary and secondary testing of the BESS kiosks
  • Primary and secondary testing of the 33 kV switchboard, including the bus coupler configuration
  • Battery charging and battery bank discharge testing across the installed capacity
  • DC distribution board testing
  • AC distribution board testing, including Auto Transfer Switch (ATS) functional testing
  • Harmonic filter panel secondary testing
  • BESS earthing system testing, covering earth grid verification and compliance
  • Complete BESS SCADA testing, including point-to-point verification, alarm and event propagation, remote control and indication
  • On-site identification and resolution of IFC drawing discrepancies
  • Relay configuration file corrections during testing
  • Testing documentation, Inspection Test Records, and closeout package

Equipment
Commissioned

  • 33 kV switchboard with bus coupler
  • PCS skids with primary and secondary protection
  • ORMAZABAL MV ring main units
  • CATL battery containers and BMS
  • BESS kiosks
  • DC distribution boards
  • AC distribution boards with ATS
  • Harmonic filter panels
  • Station earthing system
  • BESS SCADA platform and control room
  • Protection relay suite across all scopes

Megavar Test Equipment Deployed

  • Omicron CMC 356 and CMC 500 protection relay test sets
  • Omicron CPC 100 primary injection test set
  • Megger MIT series insulation resistance testers
  • Megger DLRO micro-ohmmeter
  • Battery bank discharge test set (Torkel or equivalent)
  • Earth testing equipment
    AC HiPot test set
  • LV breaker test kit
  • Standard commissioning tools for SCADA testing

Team: Megavar scaled to 9–10 testers at peak, with Commissioning Management Services running alongside T&C execution under a single project lead.

New ABB UniGear ZS1 11 kV switchgear in service at Chapel Street Substation, commissioned by Megavar

Challenges and Approach

Pine Lodge was a fast project on a compressed programme. The original target completion date of December 2025 was not achievable for a scope of this size, and the timeline pressure shaped everything that followed: the resource profile, the subcontractor coordination approach, and the quality assurance discipline.

 

The site environment itself was not helping. Shepparton in the back half of the year is warm and often dusty, and the BESS site sits on an exposed 10 hectare footprint with limited natural shelter for outdoor work. Equipment set-up, site housekeeping, and personal safety all had to account for an environment that tires people out faster and is harder on test gear than an indoor substation.

 

On top of the programme and environmental pressure, the project had the normal realities of a fast BESS build. IFC drawings contained discrepancies that only surfaced during physical testing. Some design details needed correction in the field. Relay configuration files shipped with settings that did not match what the commissioning sequence required.

 

Megavar’s response was to run both the Commissioning Management Services and the T&C delivery under one umbrella for ACLE. Resources were scaled to peak demand (9–10 testers) without compromising quality, and QHSE standards were held through the programme. Documentation was maintained in a tight daily loop, with ITRs, test records, and client comments turned around quickly.

The technical differentiator from the neighbouring Mornington BESS project sat in the 33 kV switchboard configuration. Pine Lodge uses an interconnected configuration with a bus coupler tying the two sides together — that changes how the commissioning sequence is built, and the testing has to prove the scheme works in all operating modes the bus coupler introduces.

Outcomes

Megavar scaled to the programme demand and delivered the Pine Lodge commissioning scope through to the final stages at time of writing, with Site Acceptance Testing near complete and SCADA testing in progress.

 

  • Resources scaled to peak project demand (9–10 testers) without compromising commissioning quality
  • QHSE standards maintained across all site activities through the full programme
  • One-umbrella commissioning delivery model reduced coordination overhead between scopes
  • IFC drawing discrepancies identified and resolved in a closed loop with the design team
  • Relay configuration file corrections executed in-line with testing
  • Documentation maintained and updated at pace with client comments
  • Site Acceptance Testing near complete, energisation on track for 2026
Megavar engineer FAT testing a Siemens 7SJ82 feeder protection relay for Chapel Street 11 kV switchgear

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Frequently Asked Questions

What is involved in BESS commissioning?
BESS (Battery Energy Storage System) commissioning systematically tests every component of a battery energy storage facility before it is energised and connected to the grid. This typically includes medium voltage switchgear testing, Power Conversion System (PCS) testing, battery charging and bank discharge testing, DC and AC distribution board testing, Auto Transfer Switch (ATS) verification, harmonic filter testing, BESS earthing testing, protection relay commissioning, and full SCADA integration. On Pine Lodge, Megavar delivered all of these scopes plus Commissioning Management Services under a single engagement.
Commissioning Management is the programme and sequence management layer that sits above the individual testing scopes on a BESS project. It covers the commissioning programme, subcontractor coordination, test sequence management, interface with the EPC and asset owner, and client reporting. On Pine Lodge, ACLE engaged Megavar for Commissioning Management Services alongside the testing and commissioning delivery, which kept the commissioning manager and the T&C team inside the same engagement and shortened the escalation path when issues emerged during testing.
A typical BESS commissioning programme uses protection relay test sets (such as Omicron CMC 356 and CMC 500) for secondary injection and scheme functional testing, a primary injection test set (such as Omicron CPC 100) for end-to-end current loop testing, insulation resistance testers (Megger MIT series) for wiring and equipment insulation, micro-ohmmeters (Megger DLRO) for contact resistance, a battery bank discharge test set for capacity verification, earth testing equipment for the BESS earthing system, and LV breaker test kits for AC distribution and ATS functional testing. Megavar deployed the relevant subset of this fleet on Pine Lodge.
Battery bank discharge testing verifies that an installed battery bank delivers its rated capacity under controlled discharge conditions. A dedicated discharge test set is connected to the battery bank and drawn at a defined discharge rate for the test duration, while the system monitors cell voltages, temperatures, and the overall capacity delivered against the rating. On a utility-scale BESS such as Pine Lodge, the testing is sequenced across multiple phases to build confidence in the battery system behaviour before energisation.
A 33 kV switchboard with a bus coupler interconnects two sides of the switchboard through a dedicated bus coupler circuit breaker, as opposed to operating as two independent switchboards. This changes how the commissioning sequence has to be built: the switching states, the interlocking logic, and the protection scheme all have to account for the bus coupler operation. Commissioning has to prove the scheme works in all the operating modes the bus coupler introduces, which is more involved than commissioning two independent switchboards in parallel.
Yes. Megavar provides BESS commissioning services nationally from offices in Tasmania, South Australia, and New South Wales, with site teams deployed to BESS projects across the National Electricity Market. Our BESS commissioning scope covers Commissioning Management, PCS and switchgear testing, battery bank discharge testing, protection relay testing, SCADA integration, and closeout documentation.

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