(LEAD) Samsung SDI Q3 net profit jumps to 342.2 bln won on ESS deals

Samsung SDI reported a sharp rise in Q3 net profit to 342.2 billion won, driven by increased energy storage system (ESS) battery orders, especially from long-term U.S. contracts. The company also posted an operating profit and expects continued earnings growth in Q4 with expanded ESS battery production in the U.S.