SoftBank’s SB Energy granted OpenAI warrants worth approximately $5.5 billion. The deal secures OpenAI as the primary tenant for SB Energy’s developing data centers. OpenAI signed a 20-year lease to anchor a new data center campus in Ohio. SB Energy disclosed the arrangement in draft documents for an IPO targeting $5 billion to $7 billion. OpenAI is already an existing investor in SB Energy alongside SoftBank. The partnership highlights aggressive efforts to secure power-intensive infrastructure for AI growth.