Answers From Melbourne's CEC Accredited Solar Experts
Frequently Asked Questions
Good solar decisions start with good information. MainSwitch Energy has answered every question below based on real Melbourne installations, CEC Accredited design experience, and the Australian Standards our team works to every day.
The Victorian Government offers rebates to eligible households installing solar battery storage. Eligibility depends on household income, existing solar, property type, and battery system specifications. MainSwitch Energy assesses your eligibility as part of every quote and manages the application process – you do not handle the rebate paperwork.
Tesla Powerwall carries Tesla’s standard manufacturer warranty. Hive Solar Battery carries its own manufacturer warranty. MainSwitch Energy adds a lifetime workmanship warranty on top – covering any fault caused by how the battery was installed, for the life of the system.
A Tesla Powerwall 3 installation in Melbourne typically ranges from $12,000 to $16,000 before any applicable rebates. The Victorian battery rebate may significantly reduce this cost for eligible households. MainSwitch Energy provides a free fixed-cost quote with all current rebates applied.
Yes, in most cases. Compatibility depends on your existing inverter model. MainSwitch Energy inspects your current system before confirming Powerwall compatibility. If a full inverter upgrade is required, we include it in your fixed-cost quote.
A residential battery installation (Tesla Powerwall or Hive) is typically completed in one day. Our team installs, configures, and tests the system before leaving. You receive full operating documentation and monitoring app setup the same day.
We plan installations to minimise operational disruption. Roof-mounted panel installation typically does not require any power interruptions. The electrical connection work – inverter installation, switchboard connection, and metering – requires a brief planned outage, typically one to two hours. We schedule this during your lowest-activity period. We confirm the disruption plan with you before booking the installation.
We install commercial-grade panels and inverters from leading manufacturers with proven Australian performance records and responsive local warranty support. Specific product recommendations are made based on your system size, roof type, and budget. We do not specify products based on margin – we specify based on what performs reliably in Melbourne conditions and carries strong warranty backing.
Commercial solar systems should be inspected at least annually, with performance data reviewed against expected output each quarter. Key maintenance items include panel cleaning, DC isolator and connection inspection, inverter performance verification, and mounting system integrity checks. Main Switch Electrical offers fixed-price annual and biannual maintenance programs for all commercial systems we install.
Yes. Battery storage extends the value of your solar generation to after-hours periods – useful if your business has evening or overnight energy consumption, or if you want backup capability during grid outages. We assess your after-hours consumption and grid tariff structure to determine whether battery storage makes economic sense for your specific situation, and quote it as an option alongside the solar system.
A small business solar installation of 10 to 30 kW on a standard commercial roof typically takes two to three days – one day for roof work and one to two days for electrical installation, metering, and commissioning. Larger or more complex installations are scoped individually. We plan the installation schedule to minimise disruption to your trading operations.
In most cases, commercial solar installations on existing buildings are permitted development and do not require a planning permit in Victoria. Exceptions include heritage-listed buildings, buildings in certain overlay zones, and installations that alter the building facade in a visible way. We advise on planning requirements as part of the site assessment and manage any required approvals.
System size depends on your average daily energy consumption, roof space, orientation, and shading. Most Melbourne households start with a 6.6 kW system. MainSwitch Energy analyses your electricity bill data before recommending a size – we do not sell generic packages.
The federal STC scheme reduces upfront costs for eligible systems. The Victorian Solar Homes Program may also provide additional rebates depending on current availability, income eligibility, and system type. MainSwitch Energy applies all available rebates to your quote and manages the paperwork.
Our lifetime warranty covers defects caused by our installation workmanship for the life of your system. Hardware including panels, inverters, and batteries is covered under the respective manufacturer warranties, which we assist you to claim when needed.
In most cases, residential solar installations in Victoria are classified as exempt development and do not require a planning permit, provided they meet standard setback and height guidelines. MainSwitch Energy manages all DNSP grid connection approvals as part of your installation.
Yes, provided your inverter is battery-compatible. MainSwitch Energy designs all residential systems to be battery-ready where possible. We recommend discussing battery storage at the quote stage to ensure the right inverter is selected from day one.
MainSwitch Energy provides engineering-grade commissioning documentation including system design drawings, AS/NZS 3000 and AS/NZS 3008 compliance certificates, inverter and metering test records, DNSP approval documentation, and manufacturer warranty registration confirmation. All documentation is suitable for asset registers and engineering compliance records.
Our 24/7 support line (1300 624 679) covers industrial systems. We offer scheduled maintenance programs including inverter performance reviews, panel output checks, connection integrity testing, and monitoring verification. Contact us to discuss a maintenance schedule for your facility.
Yes. MainSwitch Energy manages all DNSP grid connection applications and approvals for industrial projects across Melbourne’s network zones. We handle all technical documentation, metering upgrades, and network provider communications as part of your installation contract.
Yes. Battery storage integration is available for industrial facilities with critical power continuity requirements, shift-based operations, or significant after-hours energy demand. All battery systems are designed and installed to AS/NZS 3000 standards with full DNSP compliance.
Industrial installation timeframes depend on system size and site complexity. A 50 kW system may be completed in two to three days. A 200 kW+ system may require one to two weeks. MainSwitch Energy provides a detailed project timeline as part of your proposal, with scheduling designed to minimise operational disruption.
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