Are you considering going off-grid with solar power in Australia? A 20kW off-grid solar system can provide energy independence, and understanding the cost is crucial. While prices can vary, a 20kW off-grid solar system typically falls within the range of $40,000 to $60,000.
Find your off-grid system size.
Answer a few questions for indicative solar, battery and inverter sizing plus a matched system recommendation.
Home uses single-phase; workshop uses three-phase.
- Phase
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Energy useℹ Expected daily usage (fully occupied)
- Solar panels
- Battery storage
- Inverter
Figures are indicative guides for discussion — final design depends on appliances, shading, and site audit.
Factors Influencing the Cost
- Battery Storage: Off-grid systems rely on batteries to store excess energy for cloudy days or nights. Battery type and capacity impact the cost.
- System Components: The quality of solar panels, inverters, and other components can influence pricing. Premium components may come at a higher cost but offer better efficiency and durability.
- Location: Regional factors like labor rates and incentives can affect installation costs.
Investing in Energy Independence
While the initial investment may seem significant, consider it a long-term investment in energy independence. Off-grid systems reduce reliance on the grid, providing a reliable source of clean energy that can lead to savings over time. They also offer energy resilience, valuable in remote areas or during power outages.
Before deciding, consult reputable solar installers for customized quotes based on your location and energy needs. They can recommend suitable brands and components for your off-grid solar solution.
Our Installs & Projects
Dual Sigenergy Off-Grid Solar Installation in Malmsbury, Victoria
A fully off-grid Malmsbury homestead powered by dual 12kW Sigenergy inverters, 42 rooftop solar panels and six battery modules, designed to support everyday household electricity needs.
