Datacenter Sites in Portage County, Wisconsin
Portage County has 74 scored datacenter candidate sites averaging 53.7/100 DC Readiness, with a catalogued aggregate of 1,700 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
At a glance
Portage County, Wisconsin has 74 scored datacenter candidate sites averaging 53.7/100 DC Readiness, roughly in line with the Wisconsin average of 55.4. It ranks 11th of 72 Wisconsin counties by number of sites and 52nd by average score. The top-scoring site is ROCKY RUN at 65.6/100.
Site-selection context for Portage County
Incentive detail: Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
How does Portage County compare with other counties in Wisconsin?
By number of scored sites, Portage County ranks 11th of the 72 Wisconsin counties with a county page, holding 2.2% of the state's 3,340 sites. Its average DC Readiness of 53.7/100 ranks 52nd in the state and is roughly in line with the national average of 53.0. Nationally it has the 484th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 15 score 55 or higher.
What types of datacenter sites are in Portage County?
Shovel-Ready sites are the most common (37, 50% of the county's inventory), followed by industrial (14) and substation-adjacent (13). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Portage County?
Industrial electricity averages 8.14¢/kWh and commercial 12.01¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is low. 8 fiber providers report service in the county. The climate runs 600 cooling degree days a year with a mean temperature of 44°F. Land is valued around $4,888 an acre.
By site type
Top datacenter sites in Portage County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| ROCKY RUN | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.6 |
| OZ Portage | Greenfield | — | — | 4.3 yrs | 62.4 |
| UNKNOWN132911 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.4 |
| NORTHPOINT | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| PLOVER | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| UNKNOWN157838 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| CWEC DEWEY | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.2 |
| HOOVER | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 58.8 |
| ARNOTT | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 58.6 |
| EC Coal Portage County | Greenfield | — | — | 4.3 yrs | 58.5 |
| GOLDEN SANDS | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 58.3 |
| AMHERST JCT | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 56.5 |
| ACEC GRANT | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 55.7 |
| GROENIER | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 55.5 |
| ROSHOLT CWEC | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 55.5 |
| EC Coal Portage County | Greenfield | — | — | 4.3 yrs | 54.3 |
| 1512 Water Street - Soix Property | Industrial | — | — | 4.3 yrs | 53.5 |
| 0 Third Street - Centerpoint Drive Parcels | Industrial | — | — | 4.3 yrs | 53.5 |
| 1504 Water Street - Soik Properties | Industrial | — | — | 4.3 yrs | 53.5 |
| 0 Centerpoint Drive - Centerpoint Drive Parcels | Industrial | — | — | 4.3 yrs | 53.4 |
| 0 Second Street - Centerpoint Drive Parcels | Industrial | — | — | 4.3 yrs | 53.4 |
| 1013 Second Street - Belke Property | Industrial | — | — | 4.3 yrs | 53.4 |
| 1000 Third Street - Portage Street Parcels | Industrial | — | — | 4.3 yrs | 53.4 |
| 941 Portage Street - Portage Street Parcels | Industrial | — | — | 4.3 yrs | 53.4 |
| 701 Mason Street | Industrial | — | — | 4.3 yrs | 53.4 |
Every scored site in Portage County
All 74 sites, best first.
- ROCKY RUN · 65.6
- OZ Portage · 8ac5612e · 62.4
- Substation-Adjacent site · dbe7a49a · 59.4
- NORTHPOINT · 59.3
- PLOVER · 59.3
- Substation-Adjacent site · 89e31da5 · 59.3
- CWEC DEWEY · 59.2
- HOOVER · 58.8
- ARNOTT · 58.6
- EC Coal Portage County · f4568069 · 58.5
- GOLDEN SANDS · 58.3
- AMHERST JCT · 56.5
- ACEC GRANT · 55.7
- GROENIER · 55.5
- ROSHOLT CWEC · 55.5
- EC Coal Portage County · 32e9cc0f · 54.3
- 1504 Water Street - Soik Properties · 53.5
- 1512 Water Street - Soix Property · 53.5
- 0 Third Street - Centerpoint Drive Parcels · 53.5
- Lullabye Furniture · 53.4
- 701 Mason Street · 53.4
- 1000 Third Street - Portage Street Parcels · 53.4
- 1105 Second Street - Centerpoint Drive Parcels · 53.4
- 941 Portage Street - Portage Street Parcels · 53.4
- 0 Centerpoint Drive - Centerpoint Drive Parcels · 53.4
- 1016 Third Street - Belke Property · 53.4
- 0 Second Street - Centerpoint Drive Parcels · 53.4
- 1013 Second Street - Belke Property · 53.4
- Mine Site · 0baf1804 · 52.6
- Mine Site · 4aa33c9c · 52.6
- Mine Site · cde1a2df · 52.6
- STEVENS POINT WI · a00910d8 · 52.6
- Stevens Point East Park Commerce Center · 8398c6c1 · 52.5
- Stevens Point East Park Commerce Center · 46b514ae · 52.5
- Stevens Point East Park Commerce Center · 11c33e9a · 52.5
- Stevens Point East Park Commerce Center · 37d5e422 · 52.4
- Stevens Point East Park Commerce Center · 3605568b · 52.4
- Stevens Point East Park Commerce Center · d959bd7a · 52.4
- Stevens Point East Park Commerce Center · a63fd6cd · 52.4
- Stevens Point East Park Commerce Center · bea2364d · 52.4
- Stevens Point East Park Commerce Center · 578c1a95 · 52.4
- Stevens Point East Park Commerce Center · 27307b8c · 52.4
- Stevens Point East Park Commerce Center · c4d4cdd8 · 52.4
- Stevens Point East Park Commerce Center · 7d271c30 · 52.4
- Stevens Point East Park Commerce Center · 26b3e58b · 52.4
- Stevens Point East Park Commerce Center · 80ed1e42 · 52.3
- Stevens Point East Park Commerce Center · 1b25a000 · 52.3
- Stevens Point East Park Commerce Center · 0abeb81c · 52.3
- Stevens Point East Park Commerce Center · 5063b3b5 · 52.3
- Stevens Point East Park Commerce Center · bcaf63e6 · 52.2
- Stevens Point East Park Commerce Center · 697ebd35 · 52.2
- Stevens Point East Park Commerce Center · e42cea16 · 52.2
- Stevens Point East Park Commerce Center · cd7c34f0 · 52.2
- Stevens Point East Park Commerce Center · a293659d · 52.2
- Stevens Point East Park Commerce Center · 2af8e349 · 52.2
- Murray Machinery Incorporated · 52.2
- Stevens Point East Park Commerce Center · d9ec49f0 · 52.2
- Stevens Point East Park Commerce Center · 03f7c59a · 52.1
- Stevens Point East Park Commerce Center · 8e57c1b1 · 52.1
- Stevens Point East Park Commerce Center · 8c75e02d · 52.1
- Stevens Point East Park Commerce Center · 70e8407b · 52.1
- Stevens Point East Park Commerce Center · 6a34d17d · 52.1
- Greenfield (HARTMAN CREEK - GOLDEN SANDS) · 52.1
- Stevens Point East Park Commerce Center · ec1110df · 52.1
- Stevens Point East Park Commerce Center · 6ec3a099 · 52.1
- Stevens Point East Park Commerce Center · 127874b4 · 52.1
- Stevens Point East Park Commerce Center · 1c906125 · 52.1
- Stevens Point East Park Commerce Center · 7256db38 · 52.1
- Stevens Point East Park Commerce Center · 2bad7181 · 52.1
- Stevens Point East Park Commerce Center · a9f2a038 · 52.1
- Stevens Point East Park Commerce Center · d979f59c · 52.1
- OZ Portage · 0fd03b88 · 50.6
- Mine Site · f161ebea · 48.9
- 916 Centerpoint Drive - Centerpoint Drive Parcels · 48.6
Portage County datacenter FAQ
How many datacenter sites are in Portage County?
74 scored datacenter candidate sites, averaging 53.7/100 DC Readiness. That is the 11th-most of 72 Wisconsin counties with five or more sites.
What is the highest-scoring datacenter site in Portage County?
ROCKY RUN scores 65.6/100 DC Readiness, the highest of the 74 scored sites in Portage County (a substation-adjacent site).
Does Portage County offer datacenter tax incentives?
Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
What is the natural-hazard risk in Portage County?
FEMA's National Risk Index rates Portage County as "Relatively Low" (score 22).
What are industrial electricity rates in Portage County?
Average industrial electricity is 8.14¢/kWh and commercial is 12.01¢/kWh in Portage County.
More in Wisconsin
- All datacenter sites in Wisconsin· 3,340 sites
- Operating datacenters in Wisconsin
- Electric substations in Wisconsin
- Milwaukee· 304 sites · avg 57.4
- Dane County· 184 sites · avg 58.8
- Brown County· 144 sites · avg 57.4
- Winnebago County· 140 sites · avg 55.5
- Marathon County· 100 sites · avg 53.9
- Rock· 100 sites · avg 56.5
- Shovel-Ready sites in Wisconsin
- Industrial sites in Wisconsin
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Portage County, Wisconsin”, https://gridcensus.com/datacenter-sites/wisconsin/portage-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Portage County, Wisconsin is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.