Megavar
Our Services
Megavar delivers specialist high voltage engineering services across Australia, from substation design and commissioning through to ongoing maintenance and test equipment hire. With 60+ engineers and technicians operating from offices in Tasmania, South Australia, New South Wales and Queensland, we bring deep technical capability to every project.
Our services cover the full lifecycle of HV infrastructure: design and protection engineering, factory acceptance testing, commissioning, grid compliance, and structured maintenance programmes. We work across transmission substations, BESS installations, wind farms, solar farms, and industrial power systems.
Select a service below to learn more about how Megavar can support your project.
Talk to an engineer: 1300 730 499 or service@megavar.com.au
Test & Commission
BESS Commissioning
Expert BESS commissioning services across Australia. Megavar delivers HV testing, protection validation, SCADA integration, and grid compliance for battery energy storage systems from 5MW to 500MW+.
Circuit Breaker Testing
Circuit breaker testing across Australia: timing analysis, contact and dynamic resistance, insulation and SF6/vacuum integrity testing on HV and MV breakers, fully reported.
Factory Acceptance Testing (FAT)
Independent factory acceptance testing for HV transformers, switchgear, protection panels, and SCADA. Expert witness testing at manufacturer facilities in Australia and internationally.
High Voltage (HV) Testing
HV Cable Testing
HV Substation Commissioning
Expert HV substation commissioning services across Australia. Omicron test equipment, IEC 61850, protection relay testing, SCADA integration for substations 11kV to 500kV. 20+ years’ experience.
Partial Discharge Testing Services
Partial discharge testing for HV cables, switchgear, transformers, and GIS across Australia. Online and offline PD identifies insulation defects before failure.
Protection Relay Testing
Specialist protection relay testing across Australia. Omicron CMC 356 secondary injection, scheme logic validation, and protection coordination for substations, renewables, and industrial HV.
Resonant Hipot Testing
On-site resonant hipot (AC withstand) testing to 500 kV for HV cables, GIS and power transformers, with partial discharge, on Megavar-owned 300 kV and 500 kV resonant sets.
Solar Farm HV Commissioning
Solar farm HV commissioning: substation testing, inverter integration, protection validation, SCADA commissioning, and AEMO R1/R2 hold-point testing for utility-scale solar across Australia.
Transformer Testing
Comprehensive transformer testing across Australia. TTR, SFRA, DGA, tan delta, winding resistance, and condition diagnostics for power transformers 11kV to 500kV.
Wind Farm HV Commissioning
Windfarm HV commissioning: independent EBoP testing, substation commissioning, MV collector network, protection validation, and AEMO grid compliance for wind farms across Australia.
Design & Engineering
Arc Flash Study & Hazard Analysis
Incident energy and arc flash boundary calculation to IEEE 1584, with PPE, labelling and mitigation. Modelled, tested and implemented by one team.
Distribution Design & Drafting
Overhead and underground distribution design, URD and powerline design, with DNSP-compliant drafting. Designed and energised by one team.
HV Earthing Design and Testing
HV earthing design and testing: earth grid design, EPR calculations, step and touch voltage analysis, soil resistivity surveys, and compliance testing per ENA EG-0 across Australia.
High Voltage (HV) Substation Commissioning
Expert HV substation commissioning services across Australia. Omicron test equipment, IEC 61850, protection relay testing, SCADA integration for substations 11kV to 500kV. 20+ years’ experience.
HV Substation Design & Engineering
HV substation design and engineering: primary electrical, protection and control, SCADA, automation, and auditing. Supporting 11kV–500kV projects across Australia.
Power System Studies
Power system studies: load flow, short circuit, protection coordination, harmonic analysis, arc flash, and earthing studies. Supporting HV design, compliance, and grid connections across Australia.
SCADA Engineering and Integration
SCADA engineering and integration for substations and renewable energy projects. RTU configuration, IEC 61850, DNP3, cybersecurity, and end-to-end commissioning across Australia.
Maintain
BESS Maintenance and Testing
Solar Farm HV Maintenance and Testing
Solar farm HV maintenance and testing: transformer diagnostics, switchgear testing, protection relay verification, thermography, and DGA monitoring for solar farms across Australia.
Substation Maintenance
Substation maintenance services: preventive, corrective, and condition-based maintenance for HV transformers, switchgear, protection, and SCADA across Australia. Omicron test equipment.
Wind Farm EBoP Maintenance and Testing
Wind farm EBoP maintenance and testing by Megavar – relay testing, transformer condition assessment, switchgear servicing, and DGA monitoring. Australia-wide.
Capability statement
All Megavar Services: Design, Testing, Commissioning and Maintenance
Every Megavar service line in one document: design, testing, commissioning, maintenance, resonant hipot, BESS, arc flash and power system studies, earthing, distribution design and test equipment hire.
Request a quote
Tell us about the job
An engineer replies by the end of the next business day (Monday to Friday, 8:30 am to 5:00 pm). Scope still forming? Send what you have. Hiring equipment? Use the equipment hire pages or email rentals@megavar.com.au.
Talk to us now
1300 730 499service@megavar.com.auHire: rentals@megavar.com.auMonday to Friday, 8:30 am to 5:00 pmTrusted by top enterprises for exceptional results
