Key Takeaways Century Aluminum extended its power pact with Santee Cooper through 2031 for the Mt. Holly plant. The $50M plan will restart idle capacity, add 50,000 tons of output and create 100-plus jobs. The restart could lift Mt. Holly to full production by summer 2026, pending state incentives.Century Aluminum Company (CENX) recently announced that it has signed an extension of its power purchase agreement with the South Carolina Public Service Authority (Santee Cooper) to secure power supply to its M ...