Greenfield (TAP139645 - APPLE RIVER)
GreenfieldSt. Croix County, Wisconsin · MISO
At a glance
Greenfield (TAP139645 - APPLE RIVER) is a greenfield datacenter candidate site in St. Croix County, Wisconsin, scoring 53.8/100 DC Readiness — 28th of 38 scored sites in the county. Its nearest substation is TAP139645. It sits in the MISO grid region and the ST CROIX ELECTRIC COOP service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 100 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
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How does Greenfield (TAP139645 - APPLE RIVER) compare with other sites in St. Croix County?
Greenfield (TAP139645 - APPLE RIVER) ranks 28th of 38 scored candidate sites in St. Croix County. Its 53.8/100 is roughly in line with the county average of 56.2. 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 fiber connectivity (72 vs 67) and its weakest is power availability (32 vs 38). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (TAP139645 - APPLE RIVER) to power, fiber and other datacenters?
The nearest mapped substation, TAP139645, is the closest grid connection point on record and operates at 161 kV. For connectivity, the nearest internet exchange facility is H5 Data Centers Minneapolis at 42.6 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is West Wisconsin Telcom DC, 24.8 miles away.
What are the flood, water and hazard risks at Greenfield (TAP139645 - APPLE RIVER)?
At the county level, FEMA's National Risk Index rates St. Croix County "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 St. Croix County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN132588 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.0 |
| UNKNOWN132591 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 59.7 |
| TAP139645 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 59.7 |
| TAP143561 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| TAP143562 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 59.2 |
| TAP171668 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 57.7 |
| UNKNOWN171713 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 57.6 |
| TAP171670 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 57.6 |
Greenfield (TAP139645 - APPLE RIVER): common questions
What is the DC Readiness score of Greenfield (TAP139645 - APPLE RIVER)?
Greenfield (TAP139645 - APPLE RIVER) scores 53.8/100 on the GridCensus DC Readiness scale, rated fair. It ranks 28th of 38 scored sites in St. Croix County. The St. Croix County average is 56.2 and the Wisconsin average is 55.4.
What is the nearest substation to Greenfield (TAP139645 - APPLE RIVER)?
The nearest mapped substation is TAP139645, at 161 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves Greenfield (TAP139645 - APPLE RIVER)?
ST CROIX ELECTRIC COOP (not available) holds the retail service territory that contains the site.
What grid region is Greenfield (TAP139645 - APPLE RIVER) in?
Greenfield (TAP139645 - APPLE RIVER) is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Greenfield (TAP139645 - APPLE RIVER) from an internet exchange?
The nearest internet exchange facility is H5 Data Centers Minneapolis, about 42.6 miles away; 13 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, “Greenfield (TAP139645 - APPLE RIVER), St. Croix County, WI”, https://gridcensus.com/datacenter-sites/wisconsin/st-croix-county/greenfield-tap139645-apple-river-41293da8 (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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Every site and score for Greenfield (TAP139645 - APPLE RIVER), St. Croix County 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.