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Data Centres: Boom and Backlash
16MAY

Twinsburg and Ypsilanti use utility hookup denial

4 min read
13:06UTC

Twinsburg, Ohio passed a one-year data-centre ban unanimously; Ypsilanti's utility authority blocked water and sewage hookups for twelve months; Vermont's S.205 would freeze AI data centres until July 2030.

IndustryDeveloping
Key takeaway

Service denial is faster, narrower, and harder to challenge than zoning; if it survives test, it spreads.

Twinsburg, Ohio passed a unanimous one-year data-centre construction ban this week. Ypsilanti, Michigan's utility authority instructed water and sewage staff to refuse new connections for industrial data-centre projects for 12 months, a separate legal mechanism from a zoning moratorium and one without an established challenge pathway, because the authority is not granting or refusing a planning permit; it is simply declining to extend a service. Good Jobs First counts at least 12 US states with active moratorium bills filed in the 2026 session, and dozens of municipalities now moving local construction pauses on the same template language . Vermont's S.205 would freeze AI data centres until July 2030, the longest moratorium proposed in any US state.

The template repetition matters. Good Jobs First's tracker shows shared bill text appearing across at least a dozen state filings, which suggests coordinated drafting by a community-rights network rather than uncorrelated local opposition. Capstone DC's late-2025 client notes had flagged this jurisdictional fragmentation risk and forecast state-bill failure rates above 75 per cent, on the working assumption that governors would consistently kill the statewide versions. Mills's Maine veto held that pattern, and the muni-tier filings document the consequence rather than a substitute.

Ypsilanti's utility-authority pathway carries the heaviest weight of the three. A planning moratorium can be challenged at the state Land Use Court or its equivalent; a service-denial decision sits inside utility law and faces only the much narrower test of whether the authority acted within its enabling statute. If Ypsilanti's denial survives the first legal challenge, the model spreads to every municipal water board, sewer commission, and electric co-op in the country that is sitting on a pending data-centre interconnection request. That is several thousand decision-makers, none of whom face an executive-veto pen.

Deep Analysis

In plain English

Two small US cities took a more direct approach to slowing data centre growth than passing moratorium laws: they used their control over local water and sewage services. Twinsburg in Ohio banned new construction outright for a year. Ypsilanti in Michigan told its water authority not to connect any new large industrial buildings for 12 months. Because these cities run their own water systems, they can refuse connections without needing to go through the same planning process that developers usually contest in court. This is harder to overturn than a normal planning refusal. Vermont separately proposed a freeze that would last until mid-2030, the longest proposed in any US state so far.

Deep Analysis
Root Causes

Both cities invoked service-denial powers specifically because data centre water consumption, at 1.5-2.5 million litres per day on a typical hyperscale site, exceeds what their municipal water systems can absorb without major infrastructure investment.

A 100 MW hyperscale campus using evaporative cooling draws roughly 1.5-2.5 million litres per day, which is comparable to the daily water consumption of 15,000-25,000 residential households. Twinsburg (population approximately 19,000) and Ypsilanti (approximately 20,000) are small cities whose water systems were not designed to absorb that scale of industrial load without infrastructure upgrades.

The structural mechanism is a mismatch between the data centre industry's site-selection logic and the utility infrastructure of small and mid-size cities. CBRE and JLL data centre advisory reports from 2024-2025 show that developers expanded site searches beyond tier-1 markets precisely because those markets had congested grid queues; they found greenfield land in smaller cities whose utilities had no framework for evaluating water and power demands at hyperscale volumes.

Vermont's S.205 extending to July 2030 reflects a different structural logic: it is the first moratorium bill to explicitly tie its duration to a state-commissioned grid and water-impact study that must be completed before any new large approvals can proceed. That structure is more legally durable than a time-fixed freeze because it creates a conditional rather than a categorical prohibition.

What could happen next?
  • Precedent

    If Twinsburg's service-denial approach survives any legal challenge in the next 12 months, it will likely spread to the 50-plus other small US cities currently weighing data centre proposals where a municipal utility exists.

  • Risk

    Vermont's S.205 structure, moratorium conditional on completion of a grid and water study, is the most legally durable template yet proposed; if it passes, it creates a replicable model for states that have seen moratorium bills fail at the gubernatorial level.

First Reported In

Update #2 · Maine veto, Seattle freeze, $725bn capex

Good Jobs First· 6 May 2026
Read original
Causes and effects
This Event
Twinsburg and Ypsilanti use utility hookup denial
Utility-service denial sidesteps planning-appeal procedure; if it survives legal test, it spreads faster than any zoning lever.
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