Why choose Atwood Solar
Craftsmanship, quality parts, and exceptional service are core to how we do business.
Atwood Solar 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 had a 40 year employee celebration in 2017, with multiple folks 20+ years and keeping on. Our lead electrical contractors in Iowa have hundreds of projects of experience in towns like Sigourney, Des Moines and Dubuque.
Our reputation is our most valuable asset, and our 40+ years of references validate our motto: Quality – Integrity – Service.
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
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
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?