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We use only the highest quality solar power panels, inverters, and batteries.

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Sonnen Product Overview

Unrivalled By Others

  • American Made.
  • Increase your energy efficiency & power your home with self-produced clean energy.
  • Flexible design, expandable in increments up to 30kWh.
  • Market-leading warranty of 10 years / 10,000 cycles.
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With over 10 years of research and development behind the sonnenCore, this high-tech storage system has proven its value in thousands of households – every day. The combination of a PV system and a sonnenCore will allow you to cover around 80% of your yearly energy requirement with self-produced and clean energy.

Solar power generation does not have to go to waste. When the grid goes down – with Black Start function, the sonnenCore can restart itself after a full shut down, and utilize the energy from the directly connected solar system, to ensure you have continuous backup energy supply. Meaning you can use your essential appliances without interruption during times of extended blackouts.


Kilo Hollow has carefully chosen our partners and suppliers.

We are proud to be one of the few approved sonnen Certified Partners in Virginia. The solar products our team recommend are truly the best in Virginia.

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Solar Installation Across Virginia

We know the local codes and regulations inside and out, focusing on a select few markets in the industry and delivering excellence each time.

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