Good EnergyStorageBenefits of storage
Back To Good Energy

Back-up power with solar batteries

How to keep your lights on when the grid is down

Having a reliable and uninterrupted power supply is an invaluable resource for both residential and commercial properties. Solar batteries, also known as solar energy storage systems, have revolutionized the way we can harness and utilize solar energy. One of the key advantages of solar batteries is their ability to provide backup power during grid outages and at times when solar production is insufficient. Below is a crash course into the concept of backup power with solar batteries, including benefits and a few of the ways it can enhance energy resilience.

The Need for Backup Power:

Power outages can occur for various reasons, like severe weather, equipment failure, or maintenance issues. These outages can last hours and even days, disrupting daily life, impacting productivity, and compromising safety. Having a backup power solution is essential to mitigating these challenges and ensuring a continuous supply of electricity.

Solar Batteries as Backup Power Systems:

Solar batteries serve as an effective backup power solution by storing excess energy generated by solar panels during periods of high production. Instead of relying solely on the grid, solar batteries allow homeowners and businesses to tap into that stored energy when needed, providing uninterrupted power during outages.

Seamless Transition to Backup Power:

When a grid outage occurs, a solar battery system seamlessly switches from grid-connected mode to standalone mode, ensuring a smooth transition to backup power. The inverter in the solar battery system converts the DC energy stored in the battery into AC power that can be used to power essential loads in a home or business.

Key Benefits of Backup Power with Solar Batteries:

  • Energy Resilience: Solar batteries provide peace of mind by offering a reliable source of backup power. Critical appliances such as refrigerators, medical equipment, and communication devices can continue to function during outages, ensuring safety, comfort, and productivity.
  • Cost Savings: By using stored solar energy during grid outages, homeowners and businesses can reduce their reliance on expensive diesel generators or other backup power sources. This leads to long-term cost savings and a more sustainable energy solution
  • Environmental Sustainability: Solar batteries enable users to rely on clean, renewable energy—even during power outages. By reducing dependence on fossil fuel-based backup generators, solar batteries contribute to a greener and more sustainable future.
  • Grid Support: Solar battery systems can also provide grid support during peak demand periods by discharging stored energy back into the grid. This helps alleviate strain on the grid and enhances overall grid stability.

Sizing Your Solar Battery for Backup Power:

To ensure sufficient backup power, it's essential to size your solar battery system appropriately. Factors to consider include your energy usage during outages, the duration of backup power required, and the capacity of the solar battery system. Working with a reputable solar installer can help determine the optimal size and configuration for your specific needs.


The Torus Station is the most effective way to create, store, and manage clean, renewable energy at home. Curious? Learn more! Interested in a free consultation? Get in touch! Ready to commit? Customize your system.  

Have additional questions?

We’re here to help. Contact us.