As more homeowners, businesses, and off-grid enthusiasts turn to solar energy, one important question comes up again and again: What happens when the sun (or the power grid) goes down? The answer lies in a reliable solar battery backup or solar panel battery bank system.
At SolarWorks in Grand Junction, we specialize in designing solar installations that fit your life 24/7, 365 days a year. Whether you’re powering a home, running a business, or living off the grid, understanding your solar battery storage options is key to making the most of your investment.
Let’s break it down.
What Is a Solar Battery Backup?
A solar battery backup is a system that stores the excess electricity your solar panels generate during the day. Instead of sending all that unused energy back to the grid, it’s saved for later—like at night, during cloudy days, or in the event of a power outage.
Think of it as your personal energy safety net. When your panels aren’t actively producing, your battery kicks in to keep your lights on, your appliances running, and your life uninterrupted.
Difference Between a Solar Panel Battery Bank and a Backup
The terms “solar battery backup” and “solar panel battery bank” are often used interchangeably, but there are subtle differences:
> A solar battery backup typically refers to a system designed to provide temporary power during grid outages.
> A solar panel battery bank is a broader term that describes a collection of batteries used to store solar energy for everyday use, emergency use, or both.
Both systems serve similar purposes, but the design, scale, and battery type can vary based on your needs.
Why Are Battery Backups Important?
In April 2024, a powerful windstorm knocked out power to more than 155,000 customers across Colorado, including areas of the Western Slope. Some residents were without electricity for days. In addition, an analysis of Colorado Xcel in 2024 showed an average of 350 minutes (or about six hours) of power outage for the average customer. Then there is always the threat of preemptive power shutdowns when wildfires are a high risk.
For those relying on medical devices, refrigerated medications, or simply trying to keep their homes livable in summer heat or winter’s freezing temps, these outages are more than an inconvenience; they can be life-threatening.
This is where solar energy and battery storage shine. A standard grid-tied solar system without backup will shut off during an outage (to protect utility workers). But with a solar battery backup in place, your system can keep powering essential loads independently, even when the grid is down.
Consider a Solar Battery Bank or Backup
Solar energy is a smart investment on its own, but adding battery storage can take it to the next level. Here’s how:
1. Energy Independence – With a solar panel battery bank, you’re less reliant on your local utility company. That means more control over your power and fewer surprises when it comes to your energy bill.
2. Protection from Outages – A solar battery backup can keep the essentials running when the grid goes down. In Western Colorado, where storms, wildfires, or remote locations can lead to outages, that peace of mind is priceless.
3. Maximized Solar Efficiency – Without a battery, any unused energy your panels produce is sent to the grid, often at a lower rate than what you pay for electricity. A battery bank lets you store and use that power when it benefits you most.
4. Support for Off-Grid Living – If you’re living or working in a location without reliable grid access, a solar panel battery bank is essential.
SolarWorks specializes in custom off-grid solar installations, and we know how to design systems that keep your energy flowing, no matter how far from the city you are.
Types of Solar Batteries
There are several battery types available for solar storage, but the most common options include:
> Lithium-ion Batteries: Lightweight, efficient, and long-lasting. While they might be more expensive than other types of batteries, these are the most popular option for residential and commercial systems. They can perform reliably even in extreme temperatures, store a lot of energy in a compact size, and they charge quickly.
> Lead-Acid Batteries: Popular for off-grid use and cost-effective, these come in a variety of sizes and configurations. They’re also highly recyclable and can tolerate high temperatures.
> Flow Batteries: A newer, rechargeable technology great for large-scale storage, but less common in homes. Its longevity makes it more cost-effective in the long run, but the electrolyte solution it uses requires more maintenance..
> NiCad Batteries: Produces 100% power in extreme temperatures and requires minimal maintenance, but because it contains cadmium, which is toxic to the environment, it must be handled carefully—from manufacturing to disposal.
Is a Battery System Right for You?
If you:
> Experience frequent outages
> Want to save more money long-term
> Are building a new home or business off the grid
> Value energy independence and sustainability
…then a solar battery backup or battery bank is definitely worth considering.
From evaluating your current system to designing and installing the right battery solution for your needs, our team will walk you through the entire process.
Future-Proofed Systems with Best-in-Class Warranties
We only use Tier 1 products—the highest-rated in the industry—ensuring excellent performance, safety, and reliability.
Every battery we install comes with a 10-year manufacturer’s warranty for added peace of mind. We also offer a lifetime warranty free of charge for your entire system for as long as you own your home.
Even if you’re not ready to install a battery now, your solar system will be battery-ready, meaning you won’t need to swap out components or start from scratch down the line. Just add your solar battery backup when the time is right for you.
Let’s Build Your Energy Resilience
For over two decades, we’ve been helping homeowners, businesses, and off-grid pioneers in Grand Junction and across Western Colorado harness the power of the sun. Our mission is simple: Make solar energy accessible, affordable, and dependable.
If you’re ready to take the next step with a solar panel battery bank or want to explore your options for solar battery backups, get in touch with SolarWorks today. We’ll help you find a system that’s not just smart, but dependable—even when the lights go out around you.
Contact us for a FREE consultation and start storing your sunshine!