How Much Does a Home Battery Cost?
$12,000 – $20,000
National average: $15,000 installed
Estimate your cost
Adjust the options for a tailored ballpark — figures and the regional adjustment are approximate estimates. Always confirm with local quotes before you budget.
Home batteries store power for outages and let solar owners use their own energy after the sun goes down. Expect to pay $12,000 to $20,000 installed for a single unit, averaging around $15,000, with the battery itself making up most of the bill.
What you’re paying for
The battery module is the big-ticket item, but you’re also paying for a compatible inverter, professional installation (often the largest single labor line on a battery project), and — if you want your whole house backed up — a gateway and sometimes a subpanel to manage which circuits stay live during an outage.
Cost by setup
How you plan to use the battery changes the price more than the brand. Backing up a handful of essential circuits is far cheaper than whole-home backup. The table below shows typical installed pricing by configuration.
Is one battery enough?
A single 10–14 kWh battery is plenty to ride out a typical outage if you only back up essentials — refrigerator, lights, internet, a few outlets. If you want to run air conditioning, an electric range, or the entire home, plan on two or more units, which roughly doubles the cost.
Battery vs. generator
This is the real decision for most buyers. A standby generator is cheaper upfront and can run indefinitely on fuel, which matters for multi-day outages. A battery is silent, maintenance-light, produces no fumes, and recharges from solar — ideal for frequent short outages and for getting more value from panels. Some homeowners install both.
How to save money on storage
- Back up essentials only instead of the whole panel to avoid a gateway upgrade.
- Bundle with a solar install to share labor, permitting, and inverter costs.
- Check state and manufacturer rebates — the federal credit is gone, so these are where the savings are now.
- Right-size capacity to the loads you actually need during an outage.
| Component | Typical range | Notes |
|---|---|---|
| Battery unit (10–14 kWh) | $8,000 – $12,000 | — |
| Hybrid / battery inverter | $1,500 – $3,500 | Sometimes bundled with the battery |
| Installation labor | $3,000 – $6,500 | — |
| Backup gateway / subpanel | $1,000 – $3,000 | For whole-home backup |
| Permits & inspection | $100 – $600 | — |
| Option | Typical range | Notes |
|---|---|---|
| Single battery — essentials backup | $12,000 – $18,000 | Fridge, lights, internet, outlets |
| Two batteries — whole-home backup | $22,000 – $34,000 | — |
| Battery added to existing solar | $11,000 – $20,000 | — |
| Standalone (no solar) | $13,000 – $22,000 | — |
What affects the price
- Capacity (kWh) More stored energy means a higher price; expansion units run roughly $6,000 each.
- Whole-home vs. partial backup Backing up your entire panel needs a gateway and sometimes a subpanel, adding cost.
- New vs. retrofit Adding a battery to an existing solar system can require an inverter upgrade.
- Brand & chemistry Lithium-iron-phosphate (LFP) batteries are now common and trade a little energy density for longer life and safety.
- Incentives The 30% federal credit ended in 2025; some states offer storage rebates and manufacturers occasionally run their own.
Frequently asked questions
- Does a home battery still qualify for a federal tax credit in 2026?
- No. The federal clean energy credit that covered standalone batteries expired at the end of 2025. Some states offer storage rebates, and manufacturers like Tesla have run $500–$1,000 rebates — check current programs and consult a tax professional.
- How many batteries do I need?
- One 10–14 kWh battery covers essentials (fridge, lights, internet) through an outage. Whole-home backup or running AC and an electric range usually needs two or more units.
- How long do home batteries last?
- Most are warrantied for 10 years and retain around 70% of capacity at the end of that period.
- Can a home battery run my air conditioning?
- A single battery can run a small AC briefly, but sustained whole-home cooling during an outage typically requires two or more batteries sized to your loads.
- Is a battery cheaper than a generator?
- A standby generator usually has a lower upfront cost ($7,000–$15,000), but a battery is silent, needs no fuel, requires little maintenance, and pairs with solar. The right choice depends on how often your power goes out.
- Does a battery pay for itself?
- Pure financial payback is long unless you have time-of-use rates you can arbitrage. Most buyers value the backup power and solar self-consumption more than a fast payback.
How we estimate: ranges reflect typical U.S. pricing for materials and professional installation, compiled and cross-checked against the current (2026) industry sources listed below (see our data & methodology). Your actual cost depends on your location, project size, material grade, and local labor rates — always get multiple written quotes before you commit.
Sources
Cost ranges on this page were checked against current (2026) data from these industry sources: