Battery Storage
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What Is Battery Storage?
Battery storage systems are designed to store excess electricity, often generated from solar panels, for later use. This helps both residential and commercial energy users reduce their dependence on the grid, keep essential devices powered during outages, and make use of energy when it’s most beneficial.
With home battery storage systems, homeowners can store energy produced by solar panels and use it at night or during a power failure. These systems are increasingly important in today’s energy landscape, especially for solar users who want to maximize their return on investment and improve their energy independence.
Types of Battery Storage Systems
Battery Storage Comparison
Tesla powerwal
An all-in-one, hybrid storage solution, the Tesla Powerwall 3 delivers high power and whole-home backup with an integrated inverter.
11.5 kW
15.4 kW (off-grid)
Lithium Iron Phosphate (LFP)
89% (solar to battery to home/grid)
Up to 4 units (54 kWh total)
Yes (integrated hybrid inverter)
Whole-home backup with Backup Gateway or Switch
43.25″ × 24″ × 7.6″
287 lbs
–4°F to 122°F (–20°C to 50°C)
10 years
ENPHASE
An all-in-one, AC-coupled storage system, the IQ Battery 5P is the most powerful Enphase battery yet.
5.0 kWh
3.84 kW
7.68 kW (3s), 6.14 kW (10s)
Lithium Iron Phosphate (LFP)
90% (AC)
Modular design; multiple units can be combined
Yes (6 embedded IQ8D-BAT microinverters)
Backup with IQ System Controller 3/3G
38.6″ × 21.7″ × 7.4″
174 lbs
Not specified
15 years
GROWATT
A modular, stackable storage system, the Growatt ARK LV Battery offers flexible capacity and safe, cobalt-free LiFePO₄ chemistry.
Residential vs. Commercial Battery Use
Homeowners typically install home battery storage systems to provide backup power during outages, store excess solar energy for later use, and optimize energy consumption to lower their utility bills.
Battery systems are often sized to meet the daily energy needs of the household, ensuring essential appliances stay on during blackouts.
For businesses, commercial battery storage systems can support larger operations by minimizing energy costs, enhancing reliability, and reducing demand charges.
These systems help businesses avoid high peak-hour electricity rates and ensure continuity of operations during grid failures. Additionally, businesses focused on sustainability can rely on battery storage to reduce their carbon footprint.
Why Install a Battery System?
Keep essential appliances running even when the grid goes down.
Store energy when rates are low and use it during peak pricing hours to reduce electricity bills.
By optimizing energy usage and storing solar energy, you can significantly reduce your monthly utility costs.
By relying on your own energy storage, you’re less dependent on utility companies and vulnerable to price fluctuations.
Maximize your solar panel’s efficiency by storing the excess energy you produce during the day for nighttime or rainy-day use.
Businesses can reduce demand charges by utilizing stored energy during high-demand hours
Battery Storage & Net Metering in California
In California, battery storage works hand-in-hand with net metering to help solar users maximize their savings. Under NEM 3.0, the value of excess solar power sent back to the grid has decreased, but with battery storage, you can store that excess energy and use it when it’s most valuable—at night or during peak hours.
This is especially crucial in California, where grid instability and high electricity rates make self-consumption more important than ever.
Incentives & Financing Options
- Cash Purchase
- Solar + Battery Loan
- Lease or Power Purchase Agreement (PPA)
