North American all-iron redox flow battery firm Energy Storage Systems has appointed a utility specialist to its board of directors. Portland, Oregon-based ESS named former San Diego Gas & Electric President Michael R. Niggli as its latest board of directors member.
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机译：北美全铁氧化还原液流电池公司Energy Storage Systems已任命一名公用事业专家为其董事会成员。总部位于俄勒冈州波特兰的ESS任命前圣地亚哥燃气和电力公司总裁Michael R. Niggli作为其最新董事会成员。
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