Wisconsin index · last changed 12 September 2026

Wisconsin research coverage.

See the available records, draft source-family audit and remaining research gaps. A state page is not a complete inventory of its data centers.

0 recordsWI

Research coverage

Research draft available; independent coverage review pending

Research draft available. Candidate findings and statewide coverage await independent review.

Draft source attempts: 2026-09-11 through 2026-09-11. These are draft audit dates, not a new independent check.

0 reviewed project/campus records; 0 reviewed facility/building records; 0 uncounted records. Inventories are non-additive.

Draft source-family roster and gaps
  • economic development incentives — searched

    Source references: WI-S0002, WI-S0003, WI-S0004

    • WEDC certification letters, application files and any award amounts were not located.
    • WEDC's wider press archive was not swept for other data center announcements because the session WebSearch budget was exhausted.
  • utility commission large load — searched_partial

    Source references: WI-S0005, WI-S0006, WI-S0007, WI-S0008, WI-S0009

    • Every apps.psc.wi.gov docket page returned HTTP 403 to curl and to WebFetch, so no filings, electric service agreements, load forecasts or MW figures were read.
    • Docket 6680-TE-115 and the ATC Ozaukee County interconnection docket were not read.
    • Alliant and other utility large-load tariff filings could not be searched (WebSearch budget exhausted).
  • environmental construction permits — searched_partial

    Source references: WI-S0010, WI-S0011

    • No statewide DNR air permit search was run for other data center generator permits (Microsoft Mount Pleasant, Meta Beaver Dam, colocation sites); the permit search portal was not queried because the WebSearch budget was exhausted and no direct query URL was known.
    • Individual permit PDFs, the environmental analysis summary and the WEPA compliance determination were not downloaded.
    • No generator megawatt total appears in the DNR pages read, so no generation capacity is recorded.
  • municipal planning assessor gis — searched_partial

    Source references: WI-S0012, WI-S0014, WI-S0015, WI-S0016, WI-S0042, WI-S0043, WI-S0044, WI-S0045

    • Port Washington and Kenosha municipal sites returned HTTP 403 and Beaver Dam's document centre refused connections, so no minutes, ordinances or staff reports were read for those cities.
    • No assessor or GIS parcel records were queried for any Wisconsin site; no parcel IDs were captured.
    • Caledonia's homepage contained no data center material and no case file was located.
  • tax abatement development agreements — searched_partial

    Source references: WI-S0013, WI-S0017, WI-S0018, WI-S0019

    • No TID project plan, development agreement or PILOT document was read for Beaver Dam, Port Washington, Mount Pleasant, Kenosha or the Town of Beloit.
    • Wisconsin Watch articles on community nondisclosure agreements and the Port Washington TIF referendum returned HTTP 429, so the four communities that signed secrecy deals were not identified.
    • Searches for the Port Washington TID and development agreement could not be run (WebSearch budget exhausted).
  • operator disclosures — searched_partial

    Source references: WI-S0020, WI-S0021, WI-S0022, WI-S0023, WI-S0024, WI-S0025, WI-S0026, WI-S0027, WI-S0028, WI-S0029, WI-S0030, WI-S0031

    • The EdgeConneX Madison page returned HTTP 403.
    • Amazon Web Services, Google, Oracle and Apple location pages were not checked for Wisconsin sites.
    • Colocation operators absent from Compute Atlas were not enumerated.
  • open datasets directories — searched

    Source references: WI-S0001

    • Directory listings cited by Compute Atlas (Baxtel, datacenterHawk, datacentermap) were not opened.
    • No other licensed dataset was consulted for Wisconsin.
  • historical closures withdrawals names — searched_partial

    Source references: WI-S0032, WI-S0033, WI-S0034, WI-S0035, WI-S0036, WI-S0037, WI-S0040, WI-S0047, WI-S0048

    • No municipal withdrawal letter, denial or rescission record was read for any of these projects.
    • WTMJ's year-end review (HTTP 403) and three DataCenterDynamics articles (HTTP 403) were not read.
    • Wisconsin Watch follow-ups on Cassville and Cloverleaf Carlton were rate-limited (HTTP 429) or not attempted to avoid hammering the host.
  • news and other discovery — searched_partial

    Source references: WI-S0038, WI-S0039, WI-S0041, WI-S0046

    • No general news sweep was possible after the session WebSearch budget was exhausted; discovery after that point followed Compute Atlas source URLs and links inside fetched pages only.

No reviewed records published. This does not mean there are no data centers in this state.