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What Battery Energy Storage Systems (BESS) Are

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& How They Work

Solar power has become one of the most reliable and accessible renewable energy sources for homes and businesses. But what happens when the sun goes down or a storm rolls in? To keep the green energy flowing and take advantage of otherwise unused energy, you need a battery energy storage system (BESS). Whether you’re already running on solar or simply exploring renewable options, learn how solar battery storage works to help you make smarter, greener decisions.

Understanding BESS

BESS technology gives homes and businesses greater control over their energy use. It captures and stores excess electricity your solar panels produce instead of letting surplus energy flow back into the grid. That way, you can tap into this stored energy during peak rate hours or when the sun isn’t shining.

The technology behind BESS includes lithium-ion or other advanced batteries, smart inverters, and software that monitors energy production and usage in real time. The system knows when to store energy and when to release it, making the whole process seamless and efficient.

Do You Need a Battery Storage System?

Adding solar energy backup to your existing array or installing a battery alongside new solar panels is a wise investment. You’ll benefit the most if you prefer not to constantly rely on the grid. It’s also a cleaner backup option than a gas-powered generator.

3 Benefits of Battery Storage for Homeowners

Battery storage is a practical solution for homeowners looking to maximize their solar energy system. Here’s what to expect:

  1. Energy independence: Store solar energy during the day and use it at night to reduce your reliance on the grid. Home energy storage also provides backup power in an emergency.
  2. Lower utility bills: Avoid paying for electricity even after the sun sets by using stored energy instead. You just might find that your monthly electric bill drops to nearly zero.
  3. Increased solar efficiency: While net metering is a useful tool for properties that don’t have a battery energy storage system, some utility companies offer low credits or none at all. Storing solar energy for later lets you use more of what your panels produce.

3 Reasons for Business Owners To Invest in a BESS

For commercial properties, reliable energy and cost efficiency are necessary for smooth operations. Solar battery storage helps businesses in the following ways:

  1. Minimize downtime: When a storm rolls in, your operations don’t have to go down with the grid. Battery backup keeps your critical systems running to avoid costly interruptions or delays.
  2. Manage peak demand costs: Commercial electricity rates spike during high-demand periods in many areas. You can significantly reduce these overhead costs by using stored energy during those times.
  3. Sustainability initiatives: A BESS maximizes your use of solar energy and reduces your carbon footprint. It’s a smart step toward meeting environmental goals and appealing to eco-conscious customers.

Commercial battery storage unit

The Battery Storage Installation Process

Installing a battery energy storage system is a straightforward process handled by professionals. After evaluating your energy needs, the system is installed in an out-of-the-way location like the garage, the basement, or near your electrical panel. Your team secures permits and completes the installation in a day or two.

Once set up, an installer connects the battery to your solar array and home electrical panel. Most systems include easy-to-use monitoring tools to track your energy use and storage in real time with minimal upkeep required.

Why Choose Solar Liberty for Battery Storage Installation?

Solar Liberty has been helping homeowners and businesses take control of their energy future since 2003. Our mission is simple: Make sustainable living accessible to everyone.

We’re the largest solar installer in New York state with a presence in many other states as well. In the past 20+ years, we’ve installed thousands of systems comprising more than 1 million solar panels. You can trust our NABCEP-certified installers and electricians to deliver an unmatched experience with every project.

Ready to take the next step toward energy independence with solar battery storage? Contact us today to learn more.