Mercedes-Benz Storing Solar Power For Homeowners Through Parternship

Tammy Harvey
May 20, 2017

Mercedes' at-home battery.Mercedes-BenzMercedes-Benz is taking a direct shot at Tesla's solar push and battery business.

Home battery systems allow customers to store solar energy captured during the day for use at night, a time when they might charge their electric vehicles.

Mercedes-Benz Energy has made a lot of noise about its new energy storage units for the home, but Americans keen to get their hands on a set have been left wanting since the product was unveiled a year ago.

Daimler announced in late 2016 an expansion of its stationary energy storage business to the United States and said then initial product offerings were to be expected in early 2017.

Each energy storage system will consist of modular 2.5 kWh batteries that can be combined to create a system as large as 20 kWh, making it easy to scale and tailor energy storage systems to individual customer profiles.

The hope is that linking solar, batteries, and electric vehicles together may prove to be a more convincing model than solar panels as a way to reduce energy costs alone.

For Vivint Solar, this is the first collaboration to integrate batteries with its offering.

Von Bormann added that many homeowners buy storage for the appeal of becoming energy-independent.

Both Tesla and Mercedes see at-home batteries as an extension of their electric vehicle plans. "With batteries featuring the best in automotive engineering from Mercedes-Benz, and high-quality solar energy systems from Vivint Solar, our solution allows customers to take the next step toward a sustainable energy future". In Germany as well, Mercedes had collaborated with regional utilities and solar companies to reach their targeted audiences, and now they have joined with Vivint Solar to achieve similar goals in the U.S. Starting in Q2, California residents will be able to purchase (or finance the purchase of) the cells, though the offer is now only valid for new Vivint customers. Previous year the industry generated $320 million in revenue in the United States, though residential systems made up just 4 percent of the total. The fully installed cost will range from just under $5,000 to $13,000 for a 20 kWh system.

At the same time, policy changes and proposals reducing incentives in Arizona, Indiana and other states have dimmed the prospects of rooftop solar.

Mercedes's systems will be cheaper.

For reference, the average US residential home uses 901 kWh of electricity per month, according to the US Energy Information Administration.

"Storage will be more and more important in the future of any company that is going to deploy solar", Bormann said.

Though the power rating of the Mercedez battery system can depend on the power electronics specific to particular installations, but in general it is 0.5 C up to 4 battery units.

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