Mason County, Michigan · MISO

DC Readiness
71.6
Excellent / 100

KEYSTONE is a substation-adjacent datacenter candidate site in Mason County, Michigan, interconnecting through MISO. It screens at 71.6/100 DC Readiness with a catalogued 600 MW of candidate capacity and a 1.4 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationKEYSTONE
Substation distance0.0 mi
Substation voltage345 kV
Available capacity600 MW
LMP zoneMISO_ILLINOIS
Wholesale LMP$33.26/MWh
Utility commercial rate0.11¢/kWh

Speed to power

ISO / RTO regionMISO
Queue depth41
Avg queue wait1.4 yrs
Recent queue wait1.4 yrs
Completion rate18%
Withdrawal rate82%

Connectivity

Nearest IXP123.NET - DC4 - 400 76th St SW
IXP distance83.1 mi
Fiber providers7
Fiber coverage29.6%
Nearest cloud providerAzure
Nearest cloud regionnorthcentralus
Cloud region distance151.5 mi

Site characteristics

Parcel ownerWOLVERINE POWER SUPPLY COOP
Land owner typeprivate
Buildability100.0/100
Land cover (NLCD)Developed, High Intensity

Risk & environment

Flood zoneZone X
Water stress (WRI)0.30
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteINTERNATIONAL TRANSMISSION COMPANY LLC
Hazard sub-score65/100
Construction cost index71.5 (avg 100)

Location context

Nearest datacenterManagedWay BYK1
DC distance83.1 mi
Nearest rail3.3 mi
Nearest gas pipeline6.1 mi
Nearest fiber route106.5 mi
County hazard (FEMA NRI)Relatively Moderate (25)
DC tax incentiveYes (property_tax_exemption)
Commercial electricity11.46¢/kWh
Industrial electricity6.24¢/kWh
Cooling degree days700
Heating degree days6,600
Land price / acre$4,628

Incentive detail: Personal property tax exemption for eligible DC equipment; MEGA tax credits.

Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
87
Speed to power15%
47
Fiber connectivity12%
57
Energy cost10%
84
Water risk8%
89
Natural hazard8%
65
Buildability7%
100
Labor market4%
50
DC cluster4%
25
Land / acreage3%
48
Construction cost3%
90
Gas pipeline2%
80
Tax incentive2%
100
Climate / cooling2%
90

Nearby comparable sites

Other scored datacenter candidate sites in Mason County, ranked by DC Readiness.

Sites near KEYSTONE
SiteTypeVoltageCapacityQueue waitScore
LUDINGTONSubstation-Adjacent345 kV600 MW1.4 yrs70.2
UNKNOWN128917Substation-Adjacent345 kV600 MW1.4 yrs69.3
Greenfield (TALLMADGE - LUDINGTON)Greenfield345 kV600 MW1.4 yrs66.2
Greenfield (KENOWA - LUDINGTON)Greenfield345 kV600 MW1.4 yrs63.2
MICHIGAN POWER LPSubstation-Adjacent138 kV100 MW1.4 yrs62.3
OZ MasonGreenfield2.2 yrs61.7
EC Near ScottvilleGreenfield2.2 yrs61.4
AMBERSubstation-Adjacent138 kV100 MW1.4 yrs60.9

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

This page shows a public slice of the GridCensus dataset for KEYSTONE, Mason County. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.