Tesla Powerwall 3 Price & Review (2026)
13.5 kWh · 11.5 kW · Lithium Iron Phosphate (LFP) · 10-year warranty · 4.7/5
The Tesla Powerwall 3 costs $13,000–$16,500 installed in 2026, or about $10,325 after the 30% federal tax credit.
- Installed price: $13,000–$16,500 (unit only: $9,300–$10,500).
- After the 30% federal Investment Tax Credit, the net cost is about $10,325.
- Stores 13.5 kWh usable and delivers 11.5 kW continuous (11.5 kW peak).
- Backed by a 10-year warranty (70% capacity retention at 10 years, unlimited cycles); up to 4 units (54 kwh) per system.
How much does the Tesla Powerwall 3 cost?
The Tesla Powerwall 3 costs $13,000–$16,500 installed in 2026. The battery unit alone runs $9,300–$10,500; the rest covers labor, electrical work, and permitting. The 30% federal Investment Tax Credit applies when the battery is charged by solar, bringing the net cost to about $10,325.
The Tesla Powerwall 3 is the most popular home battery in the United States. It builds an 11.5 kW solar inverter directly into the battery, so a single unit can run a whole home and connect solar without a separate inverter. With 13.5 kWh of usable LFP storage and the highest continuous power output in its class, the Powerwall 3 backs up large appliances and starts well pumps and air conditioners that smaller batteries cannot.
Tesla Powerwall 3 specs
| Usable capacity | 13.5 kWh |
|---|---|
| Continuous power | 11.5 kW |
| Peak power | 11.5 kW |
| Chemistry | Lithium Iron Phosphate (LFP) |
| Round-trip efficiency | 89% |
| Warranty | 10 years (70% capacity retention at 10 years, unlimited cycles) |
| Scalability | Up to 4 units (54 kWh) per system |
| Integrated inverter | Yes |
| Unit price (equipment) | $9,300–$10,500 |
| Installed price | $13,000–$16,500 |
Pros
- Highest continuous power output (11.5 kW) of any mainstream home battery
- Integrated solar inverter lowers total system cost and complexity
- Safer, longer-cycling LFP chemistry
- Whole-home backup from a single unit
Cons
- Must be installed by a Tesla-certified installer
- No DC coupling with existing third-party solar inverters
- Long lead times in some markets
Is the Tesla Powerwall 3 worth it?
Best for: Homeowners adding solar + storage together who want whole-home backup from one unit. With a 89% round-trip efficiency and a 10-year warranty, the Tesla Powerwall 3 suits homeowners who want high backup power and plan to pair the battery with solar to claim the 30% tax credit.
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Tesla Powerwall 3 FAQ
The Tesla Powerwall 3 costs $13,000–$16,500 fully installed in 2026. The battery unit alone is $9,300–$10,500. After the 30% federal tax credit, the net cost is about $10,325.
Yes. The 30% federal Investment Tax Credit (ITC) applies to the Tesla Powerwall 3 when it is charged by on-site solar, and standalone storage also qualifies under current rules. On a typical installed price that is roughly $4,425 back.
The Tesla Powerwall 3 stores 13.5 kWh of usable energy and delivers 11.5 kW of continuous power (11.5 kW peak). Up to 4 units (54 kWh) per system.
The Tesla Powerwall 3 carries a 10-year warranty (70% capacity retention at 10 years, unlimited cycles). Its Lithium Iron Phosphate (LFP) chemistry is rated for a 89% round-trip efficiency.
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