What Does It Cost to Go Solar with Battery Backup?

If you’re exploring solar energy for your home, it’s probably not just about saving money—it’s about gaining control. Whether you’re tired of unpredictable utility bills, frustrated by rising rates, or want peace of mind during blackouts, solar + battery storage offers a path to energy independence and resilience.

But how much does it cost to break free from the grid?

In this guide, we’ll walk you through what drives pricing for solar and battery systems, how to estimate your ideal system size, and what factors can raise or lower your total investment. No fluff—just practical, real-world info.

Technicians in front of a Suntrek Solar truck and finishing up a solar panel installation.
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What Impacts the Cost of a Solar PV + Battery System?

The main cost driver is how much energy you want to generate and store—but several other site-specific factors play a role:

How Much Power Do You Want to Control?

Here’s how we size your system:
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Solar System Sizing

We size your solar array based on your historical energy usage (kWh/month). A typical homeowner uses between 500–1,500 kWh/month, which translates to:

Monthly kWh Usage

Estimated System Size

500–800

4–6 kW

800–1,200

6–9 kW

1,200–1,500+

9–12+ kW

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Battery Storage Sizing

Battery size depends on:

Typical Price Ranges: Solar-Only vs. Solar + Battery

These are turnkey installed prices that include panels, inverters, mounting, monitoring, permits, and labor:

System Size

Solar-Only ($/W)

Installed Price Range

Add Battery Backup

3–5 kW

$4.00–$5.00

$15,000–$20,000

+$13,500–$23,500

6–10 kW

$3.25–$3.75

$22,500–$32,500

+$13,500–$33,500

11–15 kW

$2.85–$3.15

$34,650–$42,750

+$13,500–$43,500

All battery prices assume installation adjacent to a 200A main panel. Costs may vary for subpanel setups, interior mounting, or enhanced fire code requirements.

Let’s Design Your Energy Independence Plan

Every home is different. Our team will walk your property (virtually or in person), review your usage, and design a system that balances savings with security—so you’re covered now and in the future.