Plain-English version. Sen. Bernie Sanders (I-VT) filed the AI Data Center Moratorium Act in the Senate (S.4214) earlier in 2026 as the first federal statutory pause on data-center construction. The bill has been a marker statute — designed to lay down a position rather than become law. On Tuesday, June 24, Rep. Alexandria Ocasio-Cortez (NY-14) introduced the House companion to Sanders' bill, giving the AI Data Center Moratorium Act a presence in both chambers and converting it from a single-senator marker into a two-chamber coordinated bill. The substantive provisions: 1. **Nationwide halt on construction or upgrade of any data center with ≥20 MW peak power demand.** This is the same 20 MW threshold as NY S.10642 and FERC RM26-4-000. The moratorium runs until 'strong national safeguards' are in place — undefined in the bill, which makes the moratorium effectively open-ended unless Congress separately passes the safeguards legislation. 2. **AI chip export ban.** The bill also prohibits exporting advanced AI chips (Nvidia H100/H200/B200-class hardware) to countries that lack regulations against AI-driven harms — an extension of existing Commerce Bureau of Industry and Security export controls into statute. 3. **Ocasio-Cortez's stated rationale.** Her press release cites three categories of harm: (a) ICE partnerships with AI companies for surveillance of US citizens, (b) AI-generated sexually explicit deepfakes of women and children, and (c) data-center electricity demand driving up retail electric bills in residential communities. She frames the moratorium as a stopgap until federal AI legislation can address (a) and (b), with the retail-electricity argument as the ratepayer hook. The political reality. In the current 119th Congress, with a Republican House majority and a narrow Senate Democratic majority, the federal moratorium has no path. But that's not the point — the bill is a position document, and its synchronization with the NY state bill on the same threshold (20 MW), in the same week, by a New York representative, is structural. If the Hochul desk goes the wrong way (chapter amendment narrows the NY bill), the federal version becomes the political coordination point for the next state-level bills. The AOC bill is effectively a model statute for the next round of state legislatures.
Primary source · Office of Rep. Alexandria Ocasio-Cortez — Ocasio-Cortez Introduces House Version of the AI Data Center Moratorium Act (Jun 24 2026) ↗
Why it matters
Three implications. (1) The AOC HR companion is the clearest signal yet that the moratorium movement has crossed from progressive-fringe to ranking-member territory. Within hours of AOC's introduction, Rep. Frank Pallone — the ranking Democrat on House Energy & Commerce, the committee with jurisdiction over electricity policy — publicly endorsed the concept of a national moratorium (next item). That's the most senior Democratic energy policymaker in either chamber. The coalition for federal data-center policy now spans from Sanders/AOC (statutory pause) to Pallone (rhetorical endorsement), which is a much wider band than was true 30 days ago. (2) The chip export provision is structurally separate from the moratorium and worth tagging on its own. The bill couples data-center pause with Nvidia/AMD chip export restrictions on national-security grounds — which mirrors FL SB 484's foreign-ownership provision and the existing Commerce BIS October 2023 / October 2025 chip export controls. The convergence of moratorium-on-domestic-construction + chip-export-restrictions suggests an emerging policy posture where US data-center growth is bounded both at the build side (moratorium) AND at the compute side (export controls). For Cliff, that means hyperscaler campuses now have a regulatory ceiling on both ends, and the diligence framework should add export-control / national-security flagging for projects with non-US equity or potential chip-export linkages. (3) The most likely path for the federal bill is not enactment — it's becoming the model bill for the next round of state legislatures. NY S.10642 already mirrors the 20 MW threshold and the omnibus structure. Expect the model to be picked up in 5–10 more state legislatures over the next 12–18 months (IL, MA, NJ, WA, OR are credible candidates per the Brockovich data-center tracker). The corpus should add 'state moratorium bills tracking the 20 MW federal model' as a forecast variable.
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