Datacenter Sites in Rock, Wisconsin
Rock has 100 scored datacenter candidate sites averaging 56.5/100 DC Readiness, with a catalogued aggregate of 4,450 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
At a glance
Rock, Wisconsin has 100 scored datacenter candidate sites averaging 56.5/100 DC Readiness, roughly in line with the Wisconsin average of 55.4. It ranks 5th of 72 Wisconsin counties by number of sites and 13th by average score. The top-scoring site is KITTYHAWK at 64.6/100.
Site-selection context for Rock
Incentive detail: Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
How does Rock compare with other counties in Wisconsin?
By number of scored sites, Rock ranks 5th of the 72 Wisconsin counties with a county page, holding 3.0% of the state's 3,340 sites. Its average DC Readiness of 56.5/100 ranks 13th in the state and is roughly in line with the national average of 53.0. Nationally it has the 322nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 65 score 55 or higher.
What types of datacenter sites are in Rock?
Substation-Adjacent sites are the most common (47, 47% of the county's inventory), followed by greenfield (23) and industrial (14). 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 Rock?
Industrial electricity averages 7.76¢/kWh and commercial 11.93¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is low. 16 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 $8,459 an acre.
By site type
Top datacenter sites in Rock
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| KITTYHAWK | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 64.6 |
| PADDOCK | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 64.4 |
| EC Near Sheepskin | Greenfield | — | — | 4.3 yrs | 62.9 |
| EC Near Sheepskin | Greenfield | — | — | 4.3 yrs | 62.2 |
| ROCK RIVER | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 61.4 |
| EC Near Sheepskin | Greenfield | — | — | 4.3 yrs | 60.7 |
| EC Near Rock River | Greenfield | — | — | 4.3 yrs | 60.0 |
| EC Near Sheepskin | Greenfield | — | — | 4.3 yrs | 60.0 |
| EC Near Sheepskin | Greenfield | — | — | 4.3 yrs | 59.8 |
| EC Near Sheepskin | Greenfield | — | — | 4.3 yrs | 59.7 |
| EC Near Sheepskin | Greenfield | — | — | 4.3 yrs | 59.7 |
| WILCOX | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 59.6 |
| EC Near Rock River | Greenfield | — | — | 4.3 yrs | 59.5 |
| REC BRADFORD | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 59.4 |
| BLACKHAWK SW YD | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 59.4 |
| RUSSELL | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 59.3 |
| UNKNOWN136972 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 59.3 |
| BASS CREEK | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 59.2 |
| EC Near Blackhawk | Greenfield | — | — | 4.7 yrs | 59.1 |
| EC Near Rock River | Greenfield | — | — | 4.3 yrs | 59.1 |
| EC Near Rock River | Greenfield | — | — | 4.3 yrs | 59.0 |
| JANESVILLE GENERAL | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 59.0 |
| REC LAPRAIRIE | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 58.9 |
| EAST BELOIT | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 58.9 |
| JANESVILLE GENERAL SW YD | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 58.9 |
Every scored site in Rock
All 100 sites, best first.
- KITTYHAWK · 64.6
- PADDOCK · 64.4
- EC Near Sheepskin · 916e94f0 · 62.9
- EC Near Sheepskin · 9ddc2ddd · 62.2
- ROCK RIVER · 61.4
- EC Near Sheepskin · c91cd518 · 60.7
- EC Near Rock River · fe50e8cc · 60.0
- EC Near Sheepskin · ae3bf7ca · 60.0
- EC Near Sheepskin · 59094c70 · 59.8
- EC Near Sheepskin · 9ebae349 · 59.7
- EC Near Sheepskin · a02d11ed · 59.7
- WILCOX · 59.6
- EC Near Rock River · 7f2966c2 · 59.5
- BLACKHAWK SW YD · 59.4
- REC BRADFORD · 59.4
- RUSSELL · 59.3
- Substation-Adjacent site · 765c6da7 · 59.3
- BASS CREEK · 59.2
- EC Near Blackhawk · 16bee5ba · 59.1
- EC Near Rock River · bc38a5ad · 59.1
- JANESVILLE GENERAL · 59.0
- EC Near Rock River · 172e4a0c · 59.0
- EAST BELOIT · 58.9
- REC LAPRAIRIE · 58.9
- JANESVILLE GENERAL SW YD · 58.9
- TRIPP RD · 58.8
- EC Near Sheepskin · 712f206d · 58.8
- OZ Rock · 58.7
- NORTHWEST BELOIT · 58.7
- SUNRISE · 58.6
- TURTLE · 58.6
- MARINE · 58.6
- EC Near Sheepskin · 56009c84 · 58.4
- Substation-Adjacent site · 121ca1c5 · 58.2
- EC Near Blackhawk · 5891726a · 58.2
- Substation-Adjacent site · af8fedfe · 58.0
- Substation-Adjacent site · ce8ccfbe · 57.9
- DANA CORP · 57.8
- LAMAR · 57.8
- REC HARMONY · 57.7
- Substation-Adjacent site · 57f14116 · 57.7
- Substation-Adjacent site · b2d14cda · 57.7
- REC RED HAWK · 57.6
- Substation-Adjacent site · c84cd814 · 57.6
- REC FULTON · 57.1
- REC CENTER · 57.0
- Substation-Adjacent site · 454a8c6d · 57.0
- EC Near Blackhawk · b283350c · 56.9
- Substation-Adjacent site · 92a4fcdc · 56.8
- REC ORFORDVILLE · 56.8
- Substation-Adjacent site · 27b6d95a · 56.7
- Substation-Adjacent site · d72a6704 · 56.7
- MILTON LAWNS · 56.7
- ORFORDVILLE · 56.7
- Substation-Adjacent site · 422dab1e · 56.7
- BADGER PUMP STA · 56.6
- EC Near Sheepskin · dce4595c · 56.6
- CRANSTON · 56.5
- SCOT · 56.5
- BELOIT GATEWAY · 56.5
- Substation-Adjacent site · 72ee790a · 56.4
- Substation-Adjacent site · 8a09e8fa · 56.4
- REC CLINTON · 56.3
- EC Near Blackhawk · b0575754 · 55.4
- REC NEWARK · 55.1
- EC Near Blackhawk · 0023ff4c · 54.9
- EC Near Sheepskin · 3fbd2f1e · 54.8
- Mine Site · 2c1210e7 · 54.7
- Mine Site · eb4860fd · 54.7
- Substation-Adjacent site · a3431d9e · 54.7
- Mine Site · 411778d4 · 53.9
- Lawton Street Site · 53.7
- Mine Site · 613c3f3c · 53.6
- Mine Site · 368d54b4 · 53.4
- Mine Site · 064f0b31 · 53.4
- Greenfield (TAP137906 - SUNRISE) · 53.1
- Mine Site · 3cd5d6d9 · 52.9
- Monterey Hotel · 52.8
- Shoe Factory · 52.8
- Reflections Plaza Project Area A & B · 52.7
- 55 South River Street · 52.7
- 110 S. Water Street · 52.7
- 51 South River Street · 52.7
- Reflections Plaza Project Area F · 52.7
- Mine Site · e9b63cca · 52.7
- Shirland Avenue Property · 52.6
- Marling Lumber · 52.6
- Janesville Hwy 11 Business Park · 52.5
- Greenfield (BOC GASSES - BASS CREEK) · 52.3
- JANESVILLE WISCONSIN · a90bec36 · 52.2
- Beloit Gateway Business Park · aaf06d43 · 52.1
- JANESVILLE WISCONSIN · 9fbb1416 · 52.1
- Mine Site · 3baa3b3e · 52.1
- Mine Site · 9bdacd4c · 52.1
- Beloit Gateway Business Park · c08d73a2 · 52.1
- Reflections Plaza Project (Area G, H & I) · 51.7
- Francois Sales & Service Inc · 51.7
- 1114 Rockport Road · 51.7
- Mine Site · 16705d36 · 51.6
- Adams Roofing · 50.8
Rock datacenter FAQ
How many datacenter sites are in Rock?
100 scored datacenter candidate sites, averaging 56.5/100 DC Readiness. That is the 5th-most of 72 Wisconsin counties with five or more sites.
What is the highest-scoring datacenter site in Rock?
KITTYHAWK scores 64.6/100 DC Readiness, the highest of the 100 scored sites in Rock (a substation-adjacent site).
Does Rock offer datacenter tax incentives?
Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
What is the natural-hazard risk in Rock?
FEMA's National Risk Index rates Rock as "Relatively Low" (score 22).
What are industrial electricity rates in Rock?
Average industrial electricity is 7.76¢/kWh and commercial is 11.93¢/kWh in Rock.
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
- Washington· 92 sites · avg 55.7
- Substation-Adjacent sites in Wisconsin
- Greenfield 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 Rock, Wisconsin”, https://gridcensus.com/datacenter-sites/wisconsin/rock (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
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