St. Clair County, Illinois · PJM

DC Readiness
68.3
Good / 100

PORTER RD is a substation-adjacent datacenter candidate site in St. Clair County, Illinois, interconnecting through PJM. It screens at 68.3/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 4.6 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationPORTER RD
Substation distance0.0 mi
Substation voltage138 kV
Available capacity100 MW
LMP zonePJM_COMED
Wholesale LMP$33.95/MWh
Utility commercial rate0.09¢/kWh

Speed to power

ISO / RTO regionPJM
Queue depth265
Avg queue wait4.6 yrs
Recent queue wait2.9 yrs
Completion rate21%
Withdrawal rate79%

Connectivity

Nearest IXPNetrality St. Louis - 900 Walnut
IXP distance13.9 mi
Fiber providers9
Fiber coverage30.8%
Nearest cloud providerAzure
Nearest cloud regionnorthcentralus
Cloud region distance257.2 mi

Site characteristics

Parcel ownerAMEREN ILLINOIS COMPANY
Land owner typeprivate
Buildability100.0/100
Land cover (NLCD)Developed, High Intensity

Risk & environment

Flood zoneZone X
Water stress (WRI)0.60
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteQUIKTRIP STORE 684
Hazard sub-score55/100
Construction cost index93.9 (avg 100)

Location context

Nearest datacenterTierPoint
DC distance14.0 mi
Nearest rail0.7 mi
Nearest gas pipeline7.3 mi
Nearest fiber route237.9 mi
County hazard (FEMA NRI)Relatively High (35)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity9.18¢/kWh
Industrial electricity3.59¢/kWh
Cooling degree days1,100
Heating degree days5,600
Land price / acre$9,310

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

Full DC Readiness breakdown

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

Power availability20%
58
Speed to power15%
44
Fiber connectivity12%
73
Energy cost10%
93
Water risk8%
91
Natural hazard8%
55
Buildability7%
100
Labor market4%
50
DC cluster4%
80
Land / acreage3%
40
Construction cost3%
72
Gas pipeline2%
76
Tax incentive2%
100
Climate / cooling2%
70

Nearby comparable sites

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

Sites near PORTER RD
SiteTypeVoltageCapacityQueue waitScore
TURKEY HILLSubstation-Adjacent345 kV600 MW4.6 yrs71.9
TAP156135Substation-Adjacent138 kV100 MW4.6 yrs68.1
Greenfield (PRAIRIE STATE STATION - JARVIS)Greenfield345 kV600 MW4.6 yrs66.1
Belleville Landfill ProjectBrownfield13 MW65.9
UNKNOWN157809Substation-Adjacent138 kV100 MW4.6 yrs65.8
TAP169374Substation-Adjacent138 kV100 MW4.6 yrs65.8
E BELLEVILLESubstation-Adjacent138 kV100 MW4.6 yrs65.1
OZ St. ClairGreenfield4.6 yrs65.0

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 PORTER RD, St. Clair 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.