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Powerwall

Powerwall 3 Installation

Quick answer

Tesla Powerwall 3 installed by certified electricians, 13.5kWh storage, 11.5kW output, built-in solar inverter. Typically $11,000–$18,000 before state and utility incentives.

Typical installed cost: $11,000–$18,000

The Powerwall 3 is Tesla's current flagship: double the power output of the Powerwall 2 and a solar inverter built in, so panels connect directly to the battery. As Tesla-certified installers, we handle system design, the Backup Gateway, permits, utility interconnection, and app commissioning.

About Powerwall 3 Installation

The Powerwall 3 collapsed what used to be three boxes into one: battery, inverter, and solar input in a single wall-mounted unit delivering 11.5kW continuously, enough to start central air conditioning from battery, something its predecessor needed two units to promise.

Our certified installs run the full arc: consumption analysis and system design, Backup Gateway placement, panel integration (with SPAN as an option for circuit-level control), permitting and utility interconnection, and app commissioning with storm watch and time-based controls configured for your rate plan.

What 11.5kW of output means in practice

  • Central A/C starts and runs on battery, the old dealbreaker, solved
  • Well pumps and sump pumps with their surge draws: handled
  • EV charging during an outage (throttled intelligently)
  • Whole-home backup from fewer units than PW2 required

How it works

1

Free assessment

A licensed electrician evaluates your panel, capacity, and site at no cost.

2

Transparent quote

You get a clear, written, fixed price, no surprises, no pressure.

3

Professional install

Tesla-certified electricians complete the work to code, permit pulled.

4

Inspection & warranty

We schedule inspection and back the work with our workmanship guarantee.

What's included

  • Licensed, insured & Tesla-certified electrician
  • Free in-home assessment and load calculation
  • Permit pulled and inspection scheduled
  • All materials and code-compliant wiring
  • Clean, professional install with cleanup
  • Workmanship guarantee of up to 10 years

Get a free powerwall 3 installation estimate

Verify this yourself

Tesla Certified Installers in all 50 states

Most contractors tell you they are certified. Tesla publishes the list itself, on tesla.com. We install the Wall Connector, Universal Wall Connector, Powerwall, Powerwall 3 and Powershare nationwide, and you can confirm the certification without taking our word for it. Put your own ZIP code in.

Check your ZIP on Tesla's directory

Serving all 50 states

  • Alabama
  • Alaska
  • Arizona
  • Arkansas
  • California
  • Colorado
  • Connecticut
  • Delaware
  • Florida
  • Georgia
  • Hawaii
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Montana
  • Nebraska
  • Nevada
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York
  • North Carolina
  • North Dakota
  • Ohio
  • Oklahoma
  • Oregon
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • South Dakota
  • Tennessee
  • Texas
  • Utah
  • Vermont
  • Virginia
  • Washington
  • West Virginia
  • Wisconsin
  • Wyoming

Why it matters

  • A Tesla-certified install keeps your warranty registered and intact.
  • The certification comes from Tesla, not from us, and it is published on their site rather than ours.
  • Certified across the range: Wall Connector, Universal Wall Connector, Powerwall, Powerwall 3 and Powershare.

Recent work

Photographed on our own installs. Not stock images.

Three Tesla Powerwall 3 units installed side by side on a garage wall beside the main electrical panel
Three Powerwall 3 units, wall-mounted with the conduit runs looped and secured. Main panel to the right.
Close-up of a Tesla Powerwall 3 with neatly looped conduit entering each side
Service loops left on each run so a unit can be pulled for service without recutting conduit.

Frequently asked questions

Same 13.5kWh storage, but nearly double the continuous output (11.5kW vs 5.8kW) and an integrated solar inverter, one unit can start A/C and run large loads that previously needed two batteries.

No, it works standalone for backup and time-of-use savings, charging from the grid. Its built-in inverter simply makes adding solar later cleaner and cheaper.

Most single-unit installs complete in one day on site, after design and permitting. Utility interconnection approval adds calendar time, which we manage.

Garage or exterior wall, indoors or out (it's weather-rated). We site it for wire-run efficiency, temperature moderation, and code clearances, usually beside the panel and gateway.