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Greenfield (UNKNOWN117887 - GRAY SUMMIT (1)

Greenfield

Franklin County, Missouri · MISO

DC Readiness
49.8
Fair / 100

Greenfield (UNKNOWN117887 - GRAY SUMMIT (1) is a greenfield datacenter candidate site in Franklin County, Missouri, interconnecting through MISO. It screens at 49.8/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 2.8 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationUNKNOWN117887
Substation voltage138 kV
Available capacity100 MW
UtilityUNION ELECTRIC CO - (MO)investor ownedmoderate to large load · terms ≥ 100 MW

Speed to power

Interconnection outlookFavorable
≈ 2.8 yrs typical interconnection wait

Shorter queues and healthier completion here — a faster path to energization than the national norm.

ISO / RTO regionMISO
Queue depth52
Avg queue wait2.8 yrs

Connectivity

Nearest IXPTierPoint St. Louis – Millpark
IXP distance24.4 mi
Fiber providers7
Fiber coverage21.0%

Site characteristics

Site typeGreenfield

Risk & environment

Environmental constraintNone (0/100)
Flood zoneZone X
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score62/100

Location context

Nearest datacenterTierPoint St. Louis – Millpark
DC distance24.4 mi
County hazard (FEMA NRI)Relatively High (38)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity10.39¢/kWh
Industrial electricity7.71¢/kWh
Cooling degree days1,500
Heating degree days4,700
Land price / acre$5,647

Regulatory climate

Moderatestate posture · as of 2026-08

No notable statewide DC restriction on record; confirm local zoning and utility tariffs.

DC tax incentiveNo / suspended

Incentive detail: Qualified data center sales tax exemption (2019 law); state income tax credits.

Site location

◆ Loading map…
≥ 7560–7540–60≤ 40
This site + 8 nearby

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Full DC Readiness breakdown

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

Power availability20%
30
Speed to power20%
45
Fiber connectivity12%
60
Energy cost10%
50
Water risk7%
88
Natural hazard6%
62
Buildability7%
50
Labor market4%
50
DC cluster4%
60
Land / acreage3%
48
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
50

Nearby comparable sites

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

Sites near Greenfield (UNKNOWN117887 - GRAY SUMMIT (1)
SiteTypeVoltageCapacityQueue waitScore
LABADIESubstation-Adjacent345 kV600 MW2.8 yrs62.1
GRAY SUMMITSubstation-Adjacent345 kV600 MW2.8 yrs61.7
UNKNOWN117772Substation-Adjacent138 kV100 MW2.8 yrs54.6
TAP140565Substation-Adjacent138 kV100 MW2.8 yrs54.4
UNKNOWN121661Substation-Adjacent69 kV50 MW2.8 yrs52.2
UNKNOWN121662Substation-Adjacent69 kV50 MW2.8 yrs52.0
Mine SiteFormer Mine——2.8 yrs50.0
Ahrens Sales and ServiceIndustrial——2.8 yrs48.5

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 Greenfield (UNKNOWN117887 - GRAY SUMMIT (1), Franklin County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.