Harry quarls joins ess board of directors as chairman

Wilsonville, ore.--(business wire)--ess tech, inc. (“ess”) (nyse: gwh), a leading manufacturer of long-duration energy storage (ldes) for commercial and utility-scale applications, today announced harry quarls has joined the ess board of directors as chairman. michael niggli, the ess founding board chairman, will remain on the board to assist with this transition and continue providing insights from his four decades as a utility executive. with over 40 years of energy experience, mr. quarls bri.
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