Why Powerwall 3?
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​Seamless backup power during grid outages
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Lower energy bills by using stored solar at night
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Smart home control through the Tesla app
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Quiet, clean energy with zero fuel or noise
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Compact design that complements your home
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30% Federal Tax Credit eligible
How It Works?
The Tesla Powerwall 3 is a home battery system that stores electricity from solar panels (or the grid) and delivers it to your home when needed, especially during outages or at night. It helps you make the most of renewable energy and reduces reliance on the utility grid.
Step by Step Process
1. Energy Generation:
Solar panels generate electricity when the sun is shining.
2. Storage:
Excess energy not used by the home is stored in the Powerwall 3 battery.
3. Use:
When solar production drops (evening/night), Powerwall supplies power to the home.
4. Outage Protection:
If the grid goes down, Powerwall automatically kicks in to keep the power on.
Integrated Solar Inverter
Unlike older models, Powerwall 3 has built-in solar inverter, meaning solar panels can connect directly, improving efficiency and reducing systems complexity.
Key Features
Energy Capacity & Output
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13.5 kWh usable energy capacity, enough to power essential home loads.
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11.5 kW continuous power output, significantly higher than Powerwall 2, so more devices can run at the same time.
Solar Integration
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Supports up to 20 kW DC of solar input.
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Built-in hybrid inverter with multiple MPPTs optimizes solar performance.
Backup Power
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Maintains continuous, seamless power during outages.
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Fast automatic transition when grid power fails.
Scalable Systems
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You can add multiple Powerwall 3 units to increase capacity for larger homes or high energy needs.
All Weather Design
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Designed to operate in a wide range of environments (indoor or outdoor).
Tesla App Control
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Monitor generation, usage, storage levels, and backup status from your phone (via Tesla app). You can expand this with explanations of app features.
Benefits of Tesla Powerwall 3
Energy Independence
Store your solar energy and use it on your terms, day or night, reducing dependence on the grid.
Backup Power During Outages
Keeps essential appliances running even when the power goes out.
Lower Energy Bills
Used stored solar energy when utility rates are high (time of use savings) and reduce energy costs long term. You can add region specific examples.​
Environmental Impact
Shifting to stored solar reduces fossil fuels reliance and lowers your carbon footprint.
Smart Energy Management
Automatic switching between grid, solar, and battery power keeps your home optimized for efficiency and reliability.
Licensed. Bonded. Insured.
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Local, Southern Maryland-Based Company
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Trusted by Homeowners Across St. Mary's , Calvert & Charles
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Tesla Powerwall 3 experts
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Dedicated Team
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Skilled, Certified installers with years of experience
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We treat every project with care and attention to detail
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Free site visit
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Exclusive offers
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10-year warranty standard for the Powerwall 3