EC Coal Marquette County
GreenfieldMarquette County, Michigan · MISO
At a glance
EC Coal Marquette County is a greenfield datacenter candidate site in Marquette County, Michigan, scoring 48.2/100 DC Readiness — 87th of 89 scored sites in the county. It sits in the MISO grid region and the UPPER PENINSULA POWER COMPANY service territory, where interconnection has averaged 2.2 years from request to operation.
Power & interconnection
Speed to power
Shorter queues and healthier completion here — a faster path to energization than the national norm.
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 EC Coal Marquette County compare with other sites in Marquette County?
EC Coal Marquette County ranks 87th of 89 scored candidate sites in Marquette County. Its 48.2/100 is roughly in line with the county average of 52.5. It is about 13% below the Michigan average of 55.2 and roughly in line with the national average of 53.2.
Against the Michigan average, its strongest sub-score is speed to power (54 vs 54) and its weakest is fiber connectivity (35 vs 68). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is EC Coal Marquette County to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is MI Tech - Main Campus at 51.6 miles. 4 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is MI Tech - Main Campus, 51.6 miles away.
What are the flood, water and hazard risks at EC Coal Marquette County?
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. Mapped wetlands (National Wetlands Inventory) are present on the parcel. 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 |
EC Coal Marquette County: common questions
What is the DC Readiness score of EC Coal Marquette County?
EC Coal Marquette County scores 48.2/100 on the GridCensus DC Readiness scale, rated fair. It ranks 87th of 89 scored sites in Marquette County. The Marquette County average is 52.5 and the Michigan average is 55.2.
Which electric utility serves EC Coal Marquette County?
UPPER PENINSULA POWER COMPANY (investor owned) holds the retail service territory that contains the site; its holding company is INTEGRYS ENERGY GROUP.
What grid region is EC Coal Marquette County in?
EC Coal Marquette County is in the MISO region. Projects interconnecting there have averaged a 2.2-year wait from queue request to operation.
Is EC Coal Marquette County 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 Coal Marquette County?
Parcel records list the owner as CONSUMERS ENERGY CO (private land).
How far is EC Coal Marquette County from an internet exchange?
The nearest internet exchange facility is MI Tech - Main Campus, about 51.6 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, “EC Coal Marquette County, Marquette County, MI”, https://gridcensus.com/datacenter-sites/michigan/marquette-county/ec-coal-marquette-county-0961a526 (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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