We found no federal order, rule or law that does this. The March pledge says companies "will voluntarily negotiate" rates, and its terms let them buy power rather than make it.
The closest thing is the Ratepayer Protection Pledge of March 4. It has companies "build, bring, or buy" power, so buying new-plant power counts1. Trump's best evidence is that day's proclamation. It says companies "must pay" their full costs and calls the pledge national policy. Seven companies accepted, and in July the White House said more than 200 more joined2,3. The proclamation names no penalty or enforcer. "Compliance is not being monitored or enforced by anyone," Harvard's Ari Peskoe told FactCheck.org, which reached the same ruling on Oct. 294.
The White House's list of presidential actions, read Nov. 2, shows no data center order since Oct. 21, and a Federal Register search of executive orders since Oct. 1 finds none5,6. Bisnow called it "unclear" whether executive action would come7.
Twelve days before the post, FERC rejected most of PJM's plan to have new large loads bring capacity or face curtailment, calling key parts outside its authority or unjustified8. The GRID Act would require off-grid power for new data centers. It hasn't left committee9,4.