Core Viewpoint - Rio Tinto Group, the world's largest aluminum producer, is imposing additional fees on aluminum shipments to the U.S., which may further disrupt the North American aluminum market already affected by rising consumer costs due to Trump's import tariffs and increasing global demand driven by electric vehicles, solar energy, and AI data centers [1][2][4]. Group 1: Market Dynamics - The U.S. aluminum market is under significant pressure due to a 50% import tariff imposed by President Trump, which has made Canadian aluminum too expensive for U.S. metal processors and consumers, leading to a reliance on domestic inventory and exchange warehouse resources [2][4]. - The aluminum market is experiencing a "super cycle" driven by strong demand, particularly from the rapidly expanding AI data center sector, which is heavily reliant on aluminum for infrastructure and cooling systems [3][12]. Group 2: Pricing and Premiums - The new additional fee imposed by Rio Tinto adds to the existing Midwest premium, resulting in a total premium exceeding 70% on the LME aluminum price, which is already at approximately $2,830 per ton [4][11]. - The U.S. aluminum price has reached historical highs, with the Midwest premium being the highest globally, contrasting with a 5% decline in European regional premiums over the past year [11][12]. Group 3: Future Outlook - Analysts from major financial institutions, including Morgan Stanley and Citigroup, predict that the LME aluminum price could rise above $3,000 per ton, with extreme scenarios suggesting prices could reach $4,000 per ton due to ongoing demand pressures and supply constraints [12][16]. - The aluminum market is expected to remain tight, with U.S. domestic aluminum inventory only sufficient for 35 days of consumption, which typically triggers higher trading prices [15].