Elon Musk has quietly bought APR Energy, a Jacksonville-based company that operates a fleet of mobile gas and diesel turbines totaling more than 1 GW of generation capacity, to power the data centers running xAI’s Grok. The acquisition surfaced through a Federal Trade Commission early termination notice — transaction number 20261350, dated May 14, 2026 — which cleared the deal without further antitrust review. The implied value clears $1 billion, backed out from disclosures showing a minority stakeholder received roughly $50.4 million for a 5% stake. Fortress Investment Group had picked up APR’s assets in late 2024 and rebranded the business as New APR Energy LLC before flipping it to Musk. APR deploys trailer-mounted gas turbines and reciprocating diesel and natural gas engines that can reach full power in under 10 minutes. xAI’s Colossus and Colossus 2 supercomputers in Memphis have been running on unpermitted gas turbines; the Department of Justice intervened to keep them running, arguing the units are a matter of “national, economic, and energy security.” Environmental groups had sued after xAI installed as many as 35 turbines without permits or pollution controls, which could emit over 2,000 tons of smog-forming nitrogen oxides. In Boxtown, the predominantly Black neighborhood closest to the facility, the cancer risk already runs four times the national average. Well over half of Grok’s traffic is now driven by