How Do You Handle Power Outages with Commercial Solar—Can Your Business Stay Online?

Building a Reliable Solar Backup Solution for Energy Resilience

With the right setup, solar backup systems can help businesses maintain operations during grid outages and significantly improve energy resilience. By combining solar panels with battery storage, hybrid inverters, and automatic transfer switches, companies can avoid costly downtime and ensure uninterrupted power supply when it matters most.


Battery storage systems play a central role in this setup. The storage capacity should be carefully sized to support your site’s critical loads, such as lighting, refrigeration, IT infrastructure, communications, security, and fire safety systems. Modern battery technologies—particularly lithium-ion and lithium iron phosphate (LFP)—are commonly used due to their reliability, long lifespan, and compatibility with smart energy management systems.

Hybrid inverters are key to managing the flow of energy. These devices control both solar generation and battery charging or discharging, allowing seamless switching between grid power, solar input, and stored energy. During an outage, hybrid inverters can operate independently from the grid, ensuring essential services remain powered. They also support advanced energy strategies like peak shaving and load shifting, which can lead to further cost savings and improved energy efficiency.


Automatic transfer switches (ATS) provide an additional layer of protection by immediately switching the power supply from the grid to battery backup when an outage occurs. This rapid response helps ensure minimal to zero disruption to operations, maintaining business continuity and safeguarding sensitive equipment.


Planning is critical to building a reliable solar backup system. Start by assessing your site’s essential energy requirements, identifying which systems must remain operational during a power cut. Collaborating with Clean Energy Council (CEC)–accredited designers ensures your system is correctly specified and aligned with industry standards. This includes mapping out priority circuits, sizing your battery and inverter appropriately, and adhering to AS/NZS 4777 installation standards and local safety codes.


With a properly designed solar and battery solution, your business stays online and operational, even when the grid goes down—providing peace of mind and reinforcing long-term energy security.

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