USA | Manufacture | Battery Systems, Supercapacitors & Solar Indian battery materials firm set to build USD 650 million plant in North Carolina By Luke Willetts – 28th November 2023 Epsilon announced that it expects to break ground at a new 1.5 million-square-foot facility in 2024 with manufacturing beginning in 2026. Once at full capacity in 2031, the factory is to produce 50,000 tons of graphite anode per year.