EC Near Blackhawk
GreenfieldRock, Wisconsin · MISO
At a glance
EC Near Blackhawk is a greenfield datacenter candidate site in Rock, Wisconsin, scoring 56.9/100 DC Readiness — 48th of 100 scored sites in the county. It sits in the MISO grid region and the ROCK ENERGY COOPERATIVE service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Enterprise Zone tax credits; TIF available for DC construction in eligible areas.
Site location
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How does EC Near Blackhawk compare with other sites in Rock?
EC Near Blackhawk ranks 48th of 100 scored candidate sites in Rock. Its 56.9/100 is roughly in line with the county average of 56.5. It is roughly in line with the Wisconsin average of 55.4 and roughly in line with the national average of 53.2.
Against the Wisconsin average, its strongest sub-score is natural hazard (78 vs 77) and its weakest is power availability (30 vs 38). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is EC Near Blackhawk to power, fiber and other datacenters?
The nearest located transmission bottleneck is BASE_SUNRISE_4434_44 (MISO), 15 miles away. For connectivity, the nearest internet exchange facility is US Signal WI02 - Madison at 36.4 miles. 16 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Central Office, 31.1 miles away.
What are the flood, water and hazard risks at EC Near Blackhawk?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). WRI rates baseline water stress at 0.30 on a 0–5 scale. No mapped wetlands are recorded on the parcel. At the county level, FEMA's National Risk Index rates Rock "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Rock, ranked by DC Readiness.
| 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 Sheepskin | Greenfield | — | — | 4.3 yrs | 60.0 |
| EC Near Rock River | Greenfield | — | — | 4.3 yrs | 60.0 |
EC Near Blackhawk: common questions
What is the DC Readiness score of EC Near Blackhawk?
EC Near Blackhawk scores 56.9/100 on the GridCensus DC Readiness scale, rated good. It ranks 48th of 100 scored sites in Rock. The Rock average is 56.5 and the Wisconsin average is 55.4.
Which electric utility serves EC Near Blackhawk?
ROCK ENERGY COOPERATIVE (cooperative) holds the retail service territory that contains the site.
What grid region is EC Near Blackhawk in?
EC Near Blackhawk is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is EC Near Blackhawk in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
Who owns EC Near Blackhawk?
Parcel records list the owner as Jeffery L Stone (private land).
How far is EC Near Blackhawk from an internet exchange?
The nearest internet exchange facility is US Signal WI02 - Madison, about 36.4 miles away; 16 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “EC Near Blackhawk, Rock, WI”, https://gridcensus.com/datacenter-sites/wisconsin/rock/ec-near-blackhawk-b283350c (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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