Sauk County WI 18-month data center moratorium (2026)

Sauk County, Wisconsin — County Board Votes 27-1 for an 18-Month Moratorium on Data Center Applications and Zoning Approvals in County-Zoned Areas Despite No Known Pending Project, Because the Zoning Ordinance Has No Mechanism to Address One (September 2026)
Sauk County, WI · Sauk County, Wis. — 18-month moratorium on data center applications and zoning approvals, adopted 27-1 on September 15, 2026

Status
In effect
Expires
March 15, 2028
Applies to
Data center developers seeking applications or zoning approvals in county-zoned areas of Sauk County
Enforced by
Sauk County Board of Supervisors; county zoning administration

The Sauk County Board voted 27-1 on Tuesday, September 15, 2026 to stop accepting data center applications and granting data center zoning approvals for 18 months in the parts of the county under county zoning. County leaders say they are not aware of any data center project currently planned in Sauk County. That is the point. Supervisor William Kinsman told the board the county has no specific mechanism in its zoning ordinance to address a data center proposal at all, and officials said the goal is to get regulations in place BEFORE a developer comes forward. This is pre-emptive rather than reactive, which matters legally: a moratorium enacted while an application is pending invites vested-rights litigation, and this dataset already records several moratoriums defeated exactly that way. Sauk County faces no such exposure. One caution belongs on the face of this entry: 18 months is a long moratorium under Wisconsin practice, where the usual understanding is an initial term of up to 12 months with one 6-month extension. An 18-month term adopted in a single enactment is at the outer edge of that framework, and its defensibility, if challenged, would turn on the county's record of actively drafting regulations.

Who is protected: Residents of Sauk County, Wisconsin in areas subject to county zoning

Legal detail

Sauk County, Wis. — 18-MONTH MORATORIUM on data center proposals adopted by the COUNTY BOARD 27-1 on TUESDAY, SEPTEMBER 15, 2026. OPERATIVE SCOPE: temporarily stops the county from ACCEPTING APPLICATIONS or GRANTING ZONING APPROVALS for data centers IN AREAS UNDER COUNTY ZONING — which in Wisconsin excludes municipalities and, under Wis. Stat. § 59.69(5)(c), towns that have not adopted county zoning; the source does not enumerate which Sauk County towns are covered. PRE-EMPTIVE POSTURE, EXPRESSLY STATED: county leaders 'say they are not aware of any projects currently planned there,' and officials said 'the goal is to get regulations in place before a developer comes forward.' Supervisor WILLIAM KINSMAN told the board THE COUNTY CURRENTLY HAS NO SPECIFIC MECHANISM IN ITS ZONING ORDINANCE TO ADDRESS A DATA CENTER PROPOSAL; the moratorium gives staff time to research the developments and determine appropriate requirements. THIS IS THE SAME DIAGNOSIS recorded at Clayton OH 365-day data center moratorium (2026) (a data center admissible as a warehouse-type use under an undefined code), Palm Springs Data Center Moratorium (2026) (no data center definition in municipal or zoning code) and Forest Park GA 90-day data center moratorium (2026) (Digital Realty building by right for that reason) — code silence treated as exposure. THE PRE-EMPTIVE TIMING IS A LEGAL ASSET: this dataset records moratoriums defeated by vested rights where an application or agreement predated the pause (Rockford IL annexation agreement, Cle Elum WA 2002 development agreement, Salem pre-filed application, Lowell settlement, Athens site outside city limits). With no pending project, Sauk County has no equivalent exposure. DURATION FLAG — RECORDED AS A CAUTION, NOT AS A DEFECT FOUND BY A COURT: Wisconsin moratorium practice is generally understood as an initial term of UP TO 12 MONTHS WITH ONE 6-MONTH EXTENSION; an 18-MONTH TERM ADOPTED IN A SINGLE ENACTMENT sits at the outer edge of that framework. The same ceiling question is recorded against the Minnesota entries (Minn. Stat. § 462.355 subd. 4 / § 394.34, 12 months maximum) and against the multi-year terms elsewhere in this dataset. NO CHALLENGE TO THE SAUK COUNTY ORDINANCE IS REPORTED. expires_date IS COMPUTED as 18 months from adoption and is NOT stated in the source. ORDINANCE NUMBER NOT OBTAINED.

Key facts

JurisdictionSauk County, WI
LevelCounty
StrengthStronger
EnactedSeptember 15, 2026
CitationSauk County, Wis. — 18-month moratorium on data center applications and zoning approvals, adopted 27-1 on September 15, 2026
Private right of actionNo, agency enforcement only
PenaltiesThe county may not accept applications or grant zoning approvals for data centers during the moratorium
Topicsdata-center siting and energy · consumer protection · government use of AI
News reportSauk County approves 18-month moratorium on new data centers — WMTV 15 News (NBC, Madison)

Related data-center siting and energy rules elsewhere

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