A data center moratorium is a temporary, government-ordered pause on approving new data centers — usually the large, power-hungry facilities built to train and run AI models. It isn’t a permanent ban. A moratorium simply freezes new construction or permitting for a fixed window, typically so officials can study what the facilities do to the local electricity grid, water supply, and utility bills before approving more of them.

How the pause actually works

Most data center moratoriums don’t require new laws — they’re built on powers cities, counties, and states already have over zoning and permitting. A local council can vote to stop issuing building or connection permits for a defined category of project, usually set by a size threshold, while it studies the issue or drafts new rules.

New York’s statewide freeze, signed by Governor Kathy Hochul as Executive Order 62 on July 14, 2026, is the clearest recent example. It orders the state’s Department of Environmental Conservation to hold discretionary permits in abeyance for any facility consuming 50 megawatts or more of power — the rough cutoff separating an ordinary corporate server room from a “hyperscale” AI campus. The order cites nearly 12 gigawatts of pending connection requests, and directs the Department of Public Service to produce a Generic Environmental Impact Statement covering energy, water, and grid effects before the freeze lifts. Separately, state officials are exploring a New York Grid Acceleration Fund that would require data center operators to help pay for grid upgrades rather than passing those costs to other ratepayers.

Crucially, the New York order only applies above its 50-megawatt line — facilities in the 5-to-50-megawatt range can still get permits, which is one reason critics call moratoriums a partial fix rather than a real limit on growth.

Why it’s spreading now

New York is the first US state to impose a blanket freeze, but it’s following, not starting, a trend. By the end of June 2026, roughly 116 US municipalities had adopted some form of local data center moratorium, and state-level moratorium bills had been introduced in about a dozen states. The driver is consistent everywhere: residents watching electricity rates climb and worrying that a handful of massive, always-on facilities are consuming a disproportionate share of scarce power and water, often before anyone outside the deal got a chance to weigh in.

The pattern isn’t limited to the United States. Denmark’s grid operator, Energinet, halted new large-load grid connection agreements in 2026 after its connection queue hit roughly 60 gigawatts — nearly nine times the country’s own peak electricity demand — with data centers alone accounting for about 14 gigawatts of that backlog. Different country, same underlying problem: demand for AI infrastructure is arriving faster than grids, and the regulators overseeing them, can absorb it.

What a moratorium doesn’t do

A moratorium buys time; it doesn’t add power plants, transmission lines, or water supply. Critics — including data center developers, construction unions, and some economists — argue that freezes mostly delay investment and jobs rather than fixing the underlying capacity shortfall, and that projects blocked in one jurisdiction often simply relocate to a friendlier one. Since 2025, community opposition has reportedly stalled or blocked hundreds of billions of dollars in planned US data center investment nationwide, though how much of that is a temporary pause versus a permanent loss remains to be seen. Supporters counter that without a pause, states have little leverage to make operators pay their share of grid upgrades — which is the bet behind proposals like New York’s Grid Acceleration Fund.

In the news

New York’s move is the story that put this policy tool in the national spotlight — see our brief on New York’s first-in-the-nation hyperscale data center freeze. For background on what these facilities actually are and why they need so much power in the first place, see our explainer on what an AI data center is.

FAQ

Is a moratorium the same as banning data centers? No. It’s a temporary hold on new approvals, typically tied to a study or a rulemaking process, not a permanent prohibition.

Does it apply to every data center? No — moratoriums almost always target large facilities above a size threshold (New York’s cutoff is 50 megawatts), leaving smaller server rooms and enterprise IT facilities unaffected.

Will this slow down AI development? It may shift where new AI infrastructure gets built rather than stopping it outright — companies can and do redirect projects to states or countries without similar freezes.

Who has the authority to impose one — the federal government or local officials? In practice it’s almost always state or local governments using existing zoning and permitting powers; federal moratorium proposals have been floated in Congress but none has passed.

Sources: New York Executive Order No. 62, The Hill, Cato Institute, Tom’s Hardware on Denmark’s grid freeze.