Greenfield (TILDEN - PRESQUE ISLE STATION)
GreenfieldMarquette County, Indiana · MISO
At a glance
Greenfield (TILDEN - PRESQUE ISLE STATION) is a greenfield datacenter candidate site in Marquette County, Indiana, scoring 49.1/100 DC Readiness — 86th of 89 scored sites in the county. Its nearest substation is TILDEN. It sits in the MISO grid region, where interconnection has averaged 3.0 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: Personal property tax exemption for eligible DC equipment; MEGA tax credits.
Site location
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How does Greenfield (TILDEN - PRESQUE ISLE STATION) compare with other sites in Marquette County?
Greenfield (TILDEN - PRESQUE ISLE STATION) ranks 86th of 89 scored candidate sites in Marquette County. Its 49.1/100 is roughly in line with the county average of 52.5. It is roughly in line with the Indiana average of 54.0 and roughly in line with the national average of 53.2.
Against the Indiana average, its strongest sub-score is natural hazard (75 vs 68) and its weakest is fiber connectivity (54 vs 79). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (TILDEN - PRESQUE ISLE STATION) to power, fiber and other datacenters?
The nearest mapped substation, TILDEN, is the closest grid connection point on record and operates at 138 kV. For connectivity, the nearest internet exchange facility is MI Tech - Main Campus at 63.3 miles. 4 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is MI Tech - Main Campus, 63.3 miles away.
What are the flood, water and hazard risks at Greenfield (TILDEN - PRESQUE ISLE STATION)?
At the county level, FEMA's National Risk Index rates Marquette County "Relatively Moderate".
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 Marquette County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| DEAD RIVER | Substation-Adjacent | 345 kV | 600 MW | 2.2 yrs | 66.4 |
| EC Coal Marquette County | Greenfield | — | — | 2.2 yrs | 59.8 |
| TAP138651 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 57.7 |
| PERCH LAKE | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 57.7 |
| DEADEND172040 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 57.6 |
| NATIONAL | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 57.5 |
| UNKNOWN128798 | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 56.9 |
| TILDEN | Substation-Adjacent | 138 kV | 100 MW | 2.2 yrs | 56.9 |
Greenfield (TILDEN - PRESQUE ISLE STATION): common questions
What is the DC Readiness score of Greenfield (TILDEN - PRESQUE ISLE STATION)?
Greenfield (TILDEN - PRESQUE ISLE STATION) scores 49.1/100 on the GridCensus DC Readiness scale, rated fair. It ranks 86th of 89 scored sites in Marquette County. The Marquette County average is 52.5 and the Indiana average is 54.0.
What is the nearest substation to Greenfield (TILDEN - PRESQUE ISLE STATION)?
The nearest mapped substation is TILDEN, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
What grid region is Greenfield (TILDEN - PRESQUE ISLE STATION) in?
Greenfield (TILDEN - PRESQUE ISLE STATION) is in the MISO region. Projects interconnecting there have averaged a 3.0-year wait from queue request to operation.
How far is Greenfield (TILDEN - PRESQUE ISLE STATION) from an internet exchange?
The nearest internet exchange facility is MI Tech - Main Campus, about 63.3 miles away; 4 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 (TILDEN - PRESQUE ISLE STATION), Marquette County, IN”, https://gridcensus.com/datacenter-sites/indiana/marquette-county/greenfield-tilden-presque-isle-station-73ae2172 (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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