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Hyperscaler nuclear agreements announced to mid-2026: ~6.9 GW PPAs with existing plants plus ~6.1 GW direct partnerships for new, mostly uncommercialized reactors

up to ~13 GW announcedobserved

Value kindobserved — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range.
CaveatA ceiling on announced agreements, not contracted or delivered supply. Roughly half are PPAs with existing plants; the other half depend on reactors not yet commercial.
As of2026-06
SourceCarnegie Endowment, Beyond the Hype: Assessing Hyperscaler Nuclear Commitments (2 June 2026) · Figure 1 and accompanying discussion: announced hyperscaler nuclear agreements total up to approximately 13 GW
Reviewchecking…review by 2027-03-31 · standard cadence
Recorded changeslast 2026-10-05 · 2 revisions tracked
Claim idnuclear-contracted-by-hyperscalers-tmi-crane

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