Sonnen Builts First Sonnen City with sonnenBatterie in United States Updated On Mon, Oct 16th, 2017 by Saurenergy Sonnen equips 3000 new homes in the US state of Arizona with a sonnenBatterie, facilitating the house owners to produce, store and network their own electricity. In the US state of Arizona, a new city is being built in which every 3000 homes can produce, store and network their own electricity. According to his own […] Read more
