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Gridcensus

UNKNOWN157808

Substation-Adjacent

Clay County, Illinois · PJM

DC Readiness
54.4
Fair / 100

UNKNOWN157808 is a substation-adjacent datacenter candidate site in Clay County, Illinois, interconnecting through PJM. It screens at 54.4/100 DC Readiness with a catalogued 50 MW of candidate capacity and a 3.8 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationUNKNOWN157808
Substation distance0.0 mi
Substation voltage69 kV
Available capacity50 MW
UtilitySOUTHWESTERN ELECTRIC COOP INC - (IL)cooperativemoderate to large load · state default

Speed to power

Interconnection outlookModerate
≈ 3.8 yrs typical interconnection wait

Middle-of-the-pack interconnection conditions for this grid.

ISO / RTO regionPJM
Queue depth393
Avg queue wait3.8 yrs

Connectivity

Nearest IXPSITCO Evansville
IXP distance65.1 mi
Fiber providers3
Fiber coverage92.8%

Site characteristics

Risk & environment

Environmental constraintNone (0/100)
Flood zoneZone X
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score65/100

Location context

Nearest datacenterSITCO Evansville
DC distance65.1 mi
County hazard (FEMA NRI)Relatively High (35)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity10.39¢/kWh
Industrial electricity6.83¢/kWh
Cooling degree days1,100
Heating degree days5,600
Land price / acre$6,235

Regulatory climate

Restrictivestate posture · as of 2026-08

New-DC state tax exemptions suspended for 2 years (from Jul 2026).

DC tax incentiveNo / suspended

Incentive detail: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.

Site location

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≥ 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%
46
Speed to power20%
49
Fiber connectivity12%
73
Energy cost10%
50
Water risk7%
88
Natural hazard6%
65
Buildability7%
60
Labor market4%
50
DC cluster4%
20
Land / acreage3%
40
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
70

Nearby comparable sites

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

Sites near UNKNOWN157808
SiteTypeVoltageCapacityQueue waitScore
RACCOON CREEK STATIONSubstation-Adjacent345 kV600 MW3.8 yrs62.6
OZ ClayGreenfield——4.6 yrs59.5
EC Coal Clay CountyGreenfield——4.6 yrs57.1
UNKNOWN121708Substation-Adjacent138 kV100 MW3.8 yrs56.5
UNKNOWN156910Substation-Adjacent69 kV50 MW3.8 yrs55.0
TAP160154Substation-Adjacent69 kV50 MW3.8 yrs54.6
UNKNOWN160153Substation-Adjacent69 kV50 MW3.8 yrs54.5
TAP156128Substation-Adjacent69 kV50 MW3.8 yrs54.2

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 UNKNOWN157808, Clay 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.