The article delves into the rise and fall of Northvolt, once celebrated as Europe's beacon for sustainable battery production. Founded in 2015 by former Tesla executives, the company attracted substantial investments from major players like Volkswagen and BMW, aiming to establish Europe's independence in the battery sector. However, Northvolt faced significant challenges, including production delays, supply chain dependencies, and financial mismanagement, leading to its bankruptcy filing in late 2024. The piece critically examines the broader implications of Northvolt's collapse, highlighting the complexities of Europe's decarbonization goals and the harsh realities of competing in a market dominated by established Asian manufacturers. It underscores the necessity for strategic oversight, realistic planning, and comprehensive due diligence in pursuing ambitious deep-tech projects.