Substation-Adjacent site at 42.528, -89.018
Substation-AdjacentRock, Wisconsin · MISO
At a glance
Substation-Adjacent site at 42.528, -89.018 is a substation-adjacent datacenter candidate site in Rock, Wisconsin, scoring 56.4/100 DC Readiness — 61st of 100 scored sites in the county. Its nearest substation is TAP162988 (0 mi, 69 kV). It sits in the MISO grid region and the WISCONSIN POWER & LIGHT CO service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 50 MW of candidate capacity here.
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
Get alerts
Track TAP162988
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does Substation-Adjacent site at 42.528, -89.018 compare with other sites in Rock?
Substation-Adjacent site at 42.528, -89.018 ranks 61st of 100 scored candidate sites in Rock. Its 56.4/100 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 power availability (46 vs 38) and its weakest is fiber connectivity (64 vs 67). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Substation-Adjacent site at 42.528, -89.018 to power, fiber and other datacenters?
The nearest mapped substation, TAP162988, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is BASE_SUNRISE_4434_44 (MISO), 10 miles away. For connectivity, the nearest internet exchange facility is US Signal WI02 - Madison at 38.3 miles. 16 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Central Office, 25.6 miles away.
What are the flood, water and hazard risks at Substation-Adjacent site at 42.528, -89.018?
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 |
Substation-Adjacent site at 42.528, -89.018: common questions
What is the DC Readiness score of Substation-Adjacent site at 42.528, -89.018?
Substation-Adjacent site at 42.528, -89.018 scores 56.4/100 on the GridCensus DC Readiness scale, rated good. It ranks 61st of 100 scored sites in Rock. The Rock average is 56.5 and the Wisconsin average is 55.4.
What is the nearest substation to Substation-Adjacent site at 42.528, -89.018?
The nearest mapped substation is TAP162988, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves Substation-Adjacent site at 42.528, -89.018?
WISCONSIN POWER & LIGHT CO (investor owned) holds the retail service territory that contains the site; its holding company is ALLIANT ENERGY CORP.
What grid region is Substation-Adjacent site at 42.528, -89.018 in?
Substation-Adjacent site at 42.528, -89.018 is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Substation-Adjacent site at 42.528, -89.018 from an internet exchange?
The nearest internet exchange facility is US Signal WI02 - Madison, about 38.3 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, “Substation-Adjacent site at 42.528, -89.018, Rock, WI”, https://gridcensus.com/datacenter-sites/wisconsin/rock/tap162988-8a09e8fa (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.
Go deeper than the public screen
Every site and score for Substation-Adjacent site at 42.528, -89.018, Rock 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.