Tesla sold $430 million worth of its Megapack backup batteries to Musk's xAI in 2025

Core Insights - Elon Musk announced the establishment of xAI, aimed at understanding the true nature of the universe [1] - Tesla sold $430 million worth of Megapacks to xAI, representing approximately 3.4% of Tesla's energy business revenue, which increased by 27% to $12.8 billion in 2025 from $10.1 billion in 2024 [1][2] Group 1: Tesla's Financial Performance - Tesla's energy division, which includes solar photovoltaics and battery storage systems, performed well despite a 10% decline in auto revenue to $69.5 billion due to brand reputation issues and an aging product lineup [2] - Total sales for Tesla fell roughly 3% for the year, marking the first recorded decline in sales [2] Group 2: xAI Developments - xAI was incorporated in March 2023 and publicly revealed in July 2023, positioned as a competitor to OpenAI [3] - Tesla announced a $2 billion investment in xAI as part of its latest funding round [3] - xAI raised $20 billion in its recent funding round from various investors, including Nvidia and Cisco [4] Group 3: Operational Aspects of xAI - xAI is utilizing Tesla Megapacks to power its data infrastructure at the Colossus facility in Memphis, Tennessee [4] - In 2025, xAI operated 35 natural gas-burning turbines at the Colossus facility, leading to community complaints regarding emissions and health issues [6] Group 4: Regulatory and Legal Context - The Environmental Protection Agency updated regulations regarding the use of natural gas turbines, clarifying that they require Clean Air Act permits [7] - Musk faces a lawsuit in Delaware for allegedly violating his fiduciary duty to Tesla shareholders by diverting resources to xAI [7]