The White House's invocation of the Defense Production Act for grid infrastructure, combined with DeepSeek's V4 release, reveals a critical shift in US-China competition: energy capacity has become the limiting factor in AI development. Massive power demands from training and running large language models are straining electrical grids worldwide, forcing governments and corporations to prioritize infrastructure investment alongside chip manufacturing. Meanwhile, the AI market continues its explosive growth trajectory. Google committed up to $40 billion to Anthropic in a major vote of confidence for frontier AI development, while Nvidia became the first company to reach a $5 trillion market valuation. These developments underscore how computational power—both in chips and energy—has become central to AI supremacy, with the companies and nations that can secure reliable, abundant electricity positioned to lead the next phase of AI capability development.