Policy & legislationIntroduced and referred · not enacted
Artificial Intelligence Data Center Moratorium Act
Period or event: 2026-03-25 · Reviewed September 12, 2026 · Record policy-data-center-moratorium-2026
S. 4214 would pause construction and upgrades of covered AI data centers until Congress enacts specified safety, worker, utility, environmental and community safeguards and expressly terminates the pause. It also proposes public reporting and computing-hardware export restrictions.
What the source records
Bill
S. 4214 · 119th Congress
Sponsor
Bernie Sanders
Introduced
March 25, 2026
Latest recorded action
March 25, 2026: referred to Commerce, Science and Transportation
Senate cosponsors recorded
0, in the September 12, 2026 status snapshot
Duration
Until qualifying laws explicitly end the moratorium; no fixed calendar expiration
20-year provision
No standalone 20-year prison provision in this introduced text
Scope & limitations
This is proposed legislation, not a currently operative moratorium.
The September ASI announcement is a separate proposal.
The data-center definition has alternative criteria; the 20-megawatt threshold is not a universal exemption for smaller facilities.
Cosponsor counts and action status are dated snapshots.
U.S. Senate / Senator Bernie Sanders office · official sponsor announcement · Document date 2026-03-25 · Checked 2026-09-12
Official webpage body
Source proves the recorded statement or legislative text. Assertions about third parties contained within it are not independently established by republication.
U.S. Government Publishing Office · official bill text · Document date 2026-03-25 · Checked 2026-09-12
Sections 3(a)–(c) and 4; introduction header
Source proves the recorded statement or legislative text. Assertions about third parties contained within it are not independently established by republication.
Document date is not inferred from introduction. This is a status snapshot retrieved September 12, 2026; action dates are shown in the associated record.