The Power of Tesla Powerwall

Whole-Home Backup Power

Energy Bill Savings

Reliable power when you need it most, even during outages.

Reduce your electricity costs by using stored energy.

Day & Night Energy Usage

Smart Energy Monitoring

Store solar energy for use any time, maximizing solar benefits.

Manage your energy in real-time with the Tesla app.

Powerwall: Advanced, Reliable, and Efficient

Energy Capacity 13.5 kWH

Power Output 11.5 kW continuous (on-grid and backup)

Inverter Efficiency 97.5% solar-to-grid efficiency

Durability Operates from -4°F to 122°F, flood and dust resistant

Size and Weight 43.25 in x 24 in x 7.6 in

287 lbs

Scalability Supports up to 4 units for increased storage capacity

Installation Integrated inverter, seamless backup transition

Warranty 10-year limited warranty

Why Choose Farnsworth

Farnsworth Builders is a custom home builder and licensed general contractor specializing in solar energy and home efficiency. As certified Tesla Powerwall installers, we handle your project from start to finish, ensuring expert installation with a focus on performance, aesthetics, and seamless integration—customized for your home’s unique needs.

Certified Tesla Energy Installers
Licensed General Contractors
Full-Service Solutions from Planning to Maintenance
Customized Installation with a Focus on Performance and Aesthetics

Our Process

Custom Proposal & Quote

We evalutate your home's energy needs and provide a tailored Powerwall solution with a detailed, transparent quote.

Seamless Installation

Our certified Tesla installers handle everything - from permits to expert installation - ensuring a smooth process.

Power Up & Save

Activate your system, monitor performance with the Tesla app, and enjoy backkup power and energy savings immediately.

Never Lose Power Again with Tesla Powerwall

Certified Tesla Powerwall Installers