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Browsing the "Stem" Tag

Stem Is Moving Beyond Energy Storage Into Solar+Storage Solutions

November 16th, 2018 | by Kyle Field

CleanTechnica connected with Stem's SVP of global sales and marketing, Alan Russo, at Solar Power International this year to get the inside scoop on what makes Stem tick today and how that's changing now that it is folding solar into its catalog of turnkey solutions


sonnen — the utility of the future? (CleanTechnica Interview)

August 5th, 2017 | by Zachary Shahan

Highly regarded battery storage firm sonnen was one of the big winners of the 2017 Zayed Future Energy Prize, winning in the Small and Medium Enterprises (SME) category. I interviewed sonnen CEO and co-founder Christoph Ostermann in January just after the company won the prize. It was a fun interview because of how futuristic sonnen's vision is and also because of Mr Ostermann's clear propensity for fun



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