SITUATION EXPLAINED: SoftBank's SB Energy filed to IPO with a $439 billion backlog and no data centers. • $439 billion in contracted backlog against roughly $140 million of first-half revenue, all of it from its renewables business • It has no operational data centers at all, and only about 800 megawatts under construction against nearly 9 gigawatts contracted • OpenAI holds warrants worth $5.5 billion, issued to secure it as a tenant. They were valued at $3.6 billion when granted in January •…