Helion Energy (nuclear fusion) has signed a PPA with Microsoft (MSFT) for 2028 and an energy development agreement with Nucor (NUE). Constellation Energy (CEG) is serving as the power broker for these deals. While fusion is a long-term play, these specific companies are securing exclusive rights to next-gen baseload power. This signals they are "future-proofing" their energy needs against the coming AI power crunch better than peers. Long these entities as beneficiaries of the "energy dominance" narrative required for AI. Fusion technology fails to commercialize by 2028; regulatory hurdles.