How a grid-tied battery upgrade works
Grid-Tied With Battery: A Power Uprade
With battery storage, excess solar energy is stored instead of sent back to the grid, providing backup power when needed. This upgrade enhances your home’s energy resilience, lowers grid reliance, and increases your control over energy costs.
Battery
Dependable Power Backup
A ZEN Energy battery backup stores surplus energy during peak sunlight hours, providing power overnight, on cloudy days, or during outages. Built for resilience and longevity, our battery solutions reduce grid dependence and maximise the benefits of solar energy, supporting long-term energy independence.
.png)
How a grid-tied battery upgrade works
SMART STORAGE FOR GREATER CONTROL AND SAVINGS
With a solar battery, surplus solar energy is stored instead of sent to the grid. This provides backup power when needed, reduces grid reliance, and gives you greater control over energy costs and home energy resilience.
SOLAR PANELS
Efficient Solar Energy Capture
Adding battery storage allows your existing solar panels to keep converting sunlight into direct current (DC) electricity. Energy powers your home and charges the battery, ensuring stored power for high-demand periods or outages. High-efficiency panels optimise energy capture for consistent, reliable performance.
Solar Inverter
Seamless Energy Flow
The inverter converts DC electricity from your panels into alternating current (AC) for your home. With battery storage, it also manages energy flow to and from the battery, ensuring stored power is available during high-demand periods or low solar production.
Energy Monitoring
Optimised Energy Control
Real-time monitoring tracks solar production, usage, and storage levels, helping you optimise consumption and minimise grid reliance. This enables smarter, efficient energy management, turning every watt of solar power into measurable savings.
The Grid
Savings Through Balance
Battery storage gives you more control over grid interaction. Fully charged batteries allow excess solar energy to flow back to the grid, earning credits and increasing savings. This balance between stored energy and grid support ensures efficient, seamless operation and financial benefits.
Why choose a battery upgrade
GREATER INDEPENDENCE, RESILIENCE, AND SAVINGS
Upgrading to a battery increases energy resilience, reduces reliance on the grid, and maximises solar power use. Perfect for lowering energy costs and ensuring reliable power during outages, this upgrade strengthens your home’s energy security and independence.
.svg)
Advantages
Enhanced energy security
Switches to backup power instantly, keeping essential household functions running smoothly during outages.
Increases energy autonomy
Utilises stored solar power for higher self-sufficiency, reducing reliance on grid power during peak times or outages.
Optimised use of excess energy
Captures and stores extra solar energy, eliminating waste and maximising energy efficiency.
Considerations
Higher upfront costs
The initial investment may be higher, but energy savings and autonomy make it worthwhile over time.
Compatibility checks
Ensuring smooth integration with your existing solar setup is essential to avoid compatibility issues.
Conversion efficiency losses
Some energy loss may occur during conversion and storage, a trade-off for having reliable backup power.
.jpeg)
Battery upgrade vs. other systems
Evaluating System Upgrades
This table helps you compare your current system with the option of adding a battery. It highlights the differences between grid-tied, hybrid, and off-grid systems, showing how battery storage can boost your system’s performance, resilience, and energy independence.
Considerations
Grid-tied solar system
Hybrid battery solar system
Off-grid solar system
Initial cost (incl. GST)
From $11,500
From $24,500
From $38,700
Dependence on grid
Full
Partial
None
Backup during outages
No
Yes
Yes
Electricity bills
Average 60% savings + Export Credits
Average 80% savings + Export Credits
None
Ideal for
Urban / suburban areas, lower initial investment
Unreliable grid areas, those seeking backup
Remote locations, full independence
Maintenance
Low
Medium (battery care)
Medium (battery care)
Scalability
High
High
Limited
Environmental impact
Low
Lower
Lowest
Payback period
5-8 Years
7-10 Years
NA
Battery upgrade costs
Affordable Paths to Energy Independence
A battery upgrade adds value to your solar system, enhancing control and resilience. Our flexible pricing and customised solutions fit a range of energy needs and budgets, making sustainable, independent energy an achievable investment.
Low power usage
Small battery*
- Average current system generation: 18-26 kWh/day
- Average current consumption: 10-15 kWh/day
- Average grid export: 8-11 kWh/day
Medium power usage
Mid-sized battery*
- Average current system generation: 27-39 kWh/day
- Average current consumption: 16-23 kWh/day
- Average grid export: 11-16 kWh/day
High power usage
Large battery*
- Average current system generation: 40-48 kWh/day
- Average current consumption: 24-28 kWh/day
- Average grid export: 16-20 kWh/day
Find out what affects the cost of your battery Upgrade
Energy needs
Battery size must align with consumption levels, impacting overall system cost.
Battery capacity
Battery size, based on usage patterns, is a key investment factor.
Components quality
High-quality batteries and inverters affect long-term reliability and costs.
Install complexity
Integration and backup planning costs influence the overall investment.
Energy goals
Grid independence or high savings goals require larger, costlier systems.
Tech upgrades
Smart tech and EV charging boost efficiency but increase initial costs.
Custom solutions
Personalised systems for unique needs can significantly alter financial outlay.
ZEN Energy’s solar battery backup comes with industry-standard warranties, typically covering 10-15 years for the battery and inverter, ensuring peace of mind and reliable performance.
Most systems can be upgraded to include battery storage. Our team assesses your current panels, inverter, and switchboard to ensure compatibility or will recommend a new solution for seamless integration.
Absolutely. By storing excess solar energy, a battery allows you to use your own power during peak times, reducing grid reliance and lowering electricity costs.
Ready TO take control of your power?
Start your switch to solar today. We’ll support your journey to energy savings, sustainability, and self-sufficiency.