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Tesla Powerwall

With easy installation and a minimalist design, Powerwall complements a variety of home styles. The compact, all-in-one construction features versatile mounting options for indoor or outdoor spaces.


Do you know someone who would be a great candidate for solar installation? Send them our way! If they choose Atwood Energy to install their solar modules, we will send you a check for $500 upon project completion.

Why choose Atwood Energy

Craftsmanship, quality parts, and exceptional service are core to how we do business.

Atwood Energy is a family owned, full service electrical contractor specializing in all aspects of solar design & construction. We are a Certified Tesla Roof Installer, currently servicing the Iowa and Minnesota markets. We’ll be around to keep you running for years to come.


Our in-house team of energy professionals are fully trained and certified for all Tesla products. From roof removal, installation to energy storage, we take care of everything.


We invite you to talk to any electrical inspector that has looked at our work, any of our customers, and compare our sites to any other you’ve come across.


We have been here since 1977. You don’t have to wonder if we’ll be around to support your project after it’s built.


We have Master Electricians and a Professional Electrical Engineer. We also maintain NABCEP accreditation. It is the gold standard in solar specific training and certification. Your job will be done right the first time.


We have decades of industry experience and will be here to support you for the long haul.


Our reputation is our most valuable asset, our choices are based in integrity.

Tesla Solar Powerwall

What you need to know…

Tesla Powerwall is a fully-integrated AC battery system for residential or light commercial use. Its rechargeable lithium-ion battery pack provides energy storage for solar self-consumption, time-based control, and backup.

Powerwall’s electrical interface provides a simple connection to any home or building.

Its revolutionary compact design achieves market-leading energy density and is easy to install, enabling owners to quickly realize the benefits of reliable, clean power.

Able to store surplus energy

Loading shifting

Back-up power

Increasing self-consumption


Performance Specifications

Energy Capacity

13.5 kWh
100% depth of discharge
90% round trip efficiency


7kW peak / 5kW continuous
Seamless backup transition
Pure sine wave output

Size and Weight

L x W x D
45.3″ x 29.6″ x 5.75″
1150 mm x 753 mm x 147 mm
251.3 lbs / 114 kg


Floor or wall mounted
Indoor or outdoor
Up to 10 Powerwalls
-4°F to 122°F / -20°C to 50°C
Water and dust resistance to IP67


Meets US and international safety standards
Meets US and international EMI standards


10 years


Can I add more storage in the future?

Yes. Some utilities require an updated interconnection agreement, so we should discuss the strategy if you think you want to add more.

Why choose Tesla?

    They are the leader in innovation and quality at a fair price.

Where do we install the Powerwall?

In a heated portion of the home, a basement or utility room is a good spot.

How many Powerwalls do I need?

We’ll help determine that. It depends on what is getting backed up, duration, along with other factors.

Can I do an off-grid system?



No question is too big or too small, and we can arrange a no obligation review of your business, school, farm, or residential needs on-site.

Skip the line and contact our solar installation experts or chat with a solar professional or engineer via email or phone.