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40 kWh Battery & Whole-Home Backup Installation in Merbein West

Tailored Solar & Battery System for Energy Independence

Merbein West 40 kWh Battery & Solar Project Snapshot

Client

Residential

Service

Battery & Solar Integration

Location

Merbein West, VIC 3505 (Mildura region)

Timeline

Two Days

Project Overview

40 kWh Sigenergy battery (5 × 8 kWh modules) + 3-phase home backup gateway + 30 kW hybrid controller/inverter, coupled to an existing 20 kW PV array.

This project delivers a high-performance residential solar and battery system designed to provide full-house backup, energy independence, and maximised use of solar generation. Ozora’s Mildura-based team installed and integrated the system, ensuring seamless operation, smart energy management, and compliance with Australian standards.

The system is modular and scalable, allowing future expansion while offering intelligent control for peak efficiency, and was installed to take advantage of the Cheaper Home Batteries Program, providing significant cost benefits to the homeowner.

Key Objectives

  • Maximise energy independence
    • Store excess solar generation to reduce grid reliance.
    • Enable the household to use solar energy during evenings, mornings, and peak-tariff periods.
  • Provide whole-house backup power
    • Ensure continuity of power during outages via the 3-phase backup gateway.
    • Maintain all household circuits, not just essential loads.
  • Optimise energy use and tariffs
    • Use the 30 kW controller to intelligently charge and discharge the battery based on energy prices, solar generation, and household consumption.
  • Scalability and modularity
    • Employ multiple battery modules to allow future expansion within system limits.
  • Enhance safety and reliability
    • Implement Sigenergy’s advanced battery management and protection features.
    • Ensure seamless switching to backup during outages.
  • Leverage government incentives
    • Install the system in a cost-effective manner using the Cheaper Home Batteries Program (approx. 30% discount).

Achievements

  • Significant energy cost reduction: The large 40 kWh storage and 20 kW PV array allow the homeowner to consume more solar energy onsite, reducing reliance on high-rate grid electricity.
  • Full-house backup: The 3-phase gateway ensures uninterrupted power to the entire home, providing peace of mind even during extended outages.
  • Intelligent load management: The 30 kW hybrid controller optimises energy flow, shifting loads to maximise savings.
  • Scalable design: Modular battery architecture provides flexibility for future storage upgrades.
  • High-quality installation: Ozora’s Mildura team executed the project with meticulous attention to detail, ensuring all components are integrated professionally and safely.
  • Cost-effective under government programs: The homeowner benefitted from the Cheaper Home Batteries Program, increasing the financial return of the system.
  • Local expertise: Delivered by Ozora’s Mildura team — “for Mildura, by Mildura” — leveraging years of experience in residential and commercial solar + battery installations.

Speak to our team about your next project!

1300 069 672
Contact Our Team
Contact Our Team
1300 069 672