How many datacenter sites are in Wisconsin?

GridCensus catalogs 3,340 scored datacenter candidate sites in Wisconsin, with an average DC Readiness score of 54.4/100.

What is the average interconnection-queue wait in Wisconsin?

Candidate sites in Wisconsin average a 2.6 yrs interconnection-queue wait, with an average queue depth of 133 projects.

What kind of datacenter sites are most common in Wisconsin?

Substation-Adjacent sites are the most common category in Wisconsin (1,248 sites), and most sites fall within the MISO grid region.

Datacenter Sites in Wisconsin

Wisconsin has 3,340 scored datacenter candidate sites averaging 54.4/100 DC Readiness. Substation-Adjacent parcels lead the inventory (1,248 sites). Most sites interconnect through MISO. The state's candidate sites carry a catalogued aggregate of 118.4k MW and average a 2.6 yrs interconnection-queue wait.

3,340

Candidate sites

54.4/100

Avg DC Readiness

118.4k MW

Catalogued capacity

theoretical aggregate

2.6 yrs

Avg queue wait

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≥ 7560–7540–60≤ 40

Top 25 in Wisconsin

By site type

By grid region

MISO
3,310
PJM
25
ISO-NE
2
SERC
1
ERCOT
1
WECC
1

Average sub-score profile

How Wisconsin's candidate sites score on each DC Readiness dimension (0–100 average).

Power availability

38.1

Speed-to-power

28.1

Fiber

66.9

Water

93.5

Hazard resilience

76.7

Top 25 datacenter sites in Wisconsin

Ranked by DC Readiness.

Top datacenter sites in Wisconsin
Site	Type	County	Voltage	Capacity	Queue wait	Score
OAK CREEK STATION	Substation-Adjacent	Milwaukee County	345 kV	600 MW	2.8 yrs	71.4
PLEASANT PRAIRIE	Substation-Adjacent	Kenosha County	345 kV	600 MW	2.8 yrs	70.2
CARDINAL	Substation-Adjacent	Dane County	345 kV	600 MW	2.8 yrs	68.5
GRANVILLE	Substation-Adjacent	Milwaukee County	345 kV	600 MW	2.8 yrs	67.1
FOX RIVER STATION	Substation-Adjacent	Outagamie County	345 kV	600 MW	2.8 yrs	67.0
UNKNOWN133208	Substation-Adjacent	Marathon County	345 kV	600 MW	2.8 yrs	66.9
RACINE	Substation-Adjacent	Racine County	345 kV	600 MW	2.8 yrs	66.8
NORTH APPLETON	Substation-Adjacent	Outagamie County	345 kV	600 MW	2.8 yrs	66.6
ARPIN	Substation-Adjacent	Wood County	345 kV	600 MW	2.8 yrs	66.6
NORTH MADISON 345/138KV	Substation-Adjacent	Dane County	345 kV	600 MW	2.8 yrs	66.5
SOUTH FOND DE LAC	Substation-Adjacent	Fond du Lac County	345 kV	600 MW	2.8 yrs	66.3
EDGEWATER STATION	Substation-Adjacent	Sheboygan County	345 kV	600 MW	2.8 yrs	66.2
FITZGERALD	Substation-Adjacent	Winnebago County	345 kV	600 MW	2.8 yrs	66.0
BAIN	Substation-Adjacent	Kenosha County	345 kV	600 MW	2.8 yrs	65.8
FOREST JUNCTION	Substation-Adjacent	Calumet County	345 kV	600 MW	2.8 yrs	65.7
ARCADIAN	Substation-Adjacent	Waukesha County	345 kV	600 MW	2.8 yrs	65.5
PULLIAM SW YD	Substation-Adjacent	Brown County	138 kV	100 MW	2.8 yrs	65.4
BLUEMOUND	Substation-Adjacent	Milwaukee County	230 kV	300 MW	2.8 yrs	65.3
DEADEND167359	Substation-Adjacent	Milwaukee County	230 kV	300 MW	2.8 yrs	65.3
CEDARSAUK	Substation-Adjacent	Ozaukee County	345 kV	600 MW	2.8 yrs	65.3
TAP138061	Substation-Adjacent	Washington County	345 kV	600 MW	2.8 yrs	65.2
CYPRESS	Substation-Adjacent	Calumet County	345 kV	600 MW	2.8 yrs	65.1
Zion Landfill Gas to Energy Facility	Brownfield	Kenosha County	—	7 MW	4.6 yrs	65.1
EC Near MMSD Jones Island Wastewater	Greenfield	Milwaukee	—	—	1.4 yrs	65.1
EC Near Kimberly Mill	Greenfield	Outagamie	—	—	1.4 yrs	64.9

Counties in Wisconsin

72 counties with five or more scored sites.

Milwaukee304 · 56.3 Dane County184 · 57.7 Brown County144 · 56.3 Winnebago County140 · 54.4 Marathon County100 · 53.1 Rock100 · 55.7 Washington92 · 54.8 Chippewa County88 · 52.8 Racine County87 · 53.7 Sheboygan County75 · 52.2 Portage County74 · 52.6 Wood County66 · 55.3 Fond du Lac County65 · 55.2 Kenosha County62 · 57.5 Sauk County62 · 54.7 Walworth County61 · 53.6 Eau Claire County58 · 55.1 Marinette County58 · 52.2 Grant56 · 54.8 Barron County54 · 53.6 Waukesha County54 · 55.4 Manitowoc County53 · 52.2 Dodge County48 · 54.1 Pierce County42 · 54.4 Vernon41 · 54.6 Columbia County40 · 55.7 Polk County40 · 53.5 Juneau39 · 55.5 Outagamie County39 · 58.1 Burnett38 · 52.3 St. Croix County38 · 55.0 Clark County36 · 53.2 La Crosse County36 · 53.7 Crawford County34 · 52.6 Vilas34 · 50.7 Calumet County33 · 56.2 Monroe County33 · 52.8 Dunn County32 · 55.3 Washburn County32 · 52.0 Trempealeau County31 · 52.7 Lafayette County30 · 54.8 Douglas County29 · 54.8 Green Lake County28 · 54.2 Buffalo County27 · 55.5 Jefferson County26 · 56.4 Shawano County26 · 54.1 Ashland County25 · 51.0 Jackson County25 · 52.3 Taylor County25 · 52.2 Green County23 · 54.9 Oneida23 · 52.3 Richland County23 · 54.0 Rusk County23 · 52.4 Price22 · 53.0 Waupaca County22 · 53.6 Ozaukee21 · 55.5 Langlade County20 · 49.2 Lincoln County20 · 50.7 Adams County19 · 56.1 Oconto County19 · 53.2 Bayfield County17 · 51.0 Waushara County17 · 53.0 Kewaunee County14 · 52.9 Pepin County14 · 56.5 Door County13 · 47.9 Iowa County11 · 54.3 Sawyer County11 · 53.0 Florence County9 · 52.6 Marquette County9 · 56.6 Menominee County9 · 48.7 Iron County8 · 50.7 Forest County6 · 49.5

Wisconsin datacenter site selection FAQ

How many datacenter sites are in Wisconsin?: GridCensus catalogs 3,340 scored datacenter candidate sites in Wisconsin, with an average DC Readiness score of 54.4/100.
What is the average interconnection-queue wait in Wisconsin?: Candidate sites in Wisconsin average a 2.6 yrs interconnection-queue wait, with an average queue depth of 133 projects.
What kind of datacenter sites are most common in Wisconsin?: Substation-Adjacent sites are the most common category in Wisconsin (1,248 sites), and most sites fall within the MISO grid region.

Dataset updated September 2026. Screening estimates derived from public data sources.

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This page shows a public slice of the GridCensus dataset for Wisconsin. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.

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