TAP136956

Substation-Adjacent

Stephenson County, Illinois · PJM

DC Readiness
62.6
Good / 100

TAP136956 is a substation-adjacent datacenter candidate site in Stephenson County, Illinois, interconnecting through PJM. It screens at 62.6/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 2.2 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationTAP136956
Substation distance0.0 mi
Substation voltage138 kV
Available capacity100 MW
LMP zonePJM_ATSI
Wholesale LMP$42.97/MWh
Utility commercial rate0.09¢/kWh

Speed to power

ISO / RTO regionPJM
Queue depth11
Avg queue wait2.2 yrs
Recent queue wait2.2 yrs
Completion rate20%
Withdrawal rate80%

Connectivity

Nearest IXPUS Signal WI02 - Madison
IXP distance47.4 mi
Fiber providers8
Fiber coverage19.1%
Nearest cloud providerAzure
Nearest cloud regionnorthcentralus
Cloud region distance116.8 mi

Site characteristics

Site typeSubstation-Adjacent
Parcel ownerCOMMONWEALTH EDISON CO
Land owner typeprivate
Buildability60.0/100

Risk & environment

Flood zoneZone X
Water stress (WRI)0.60
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteSTEPHENSON SERVICE CO
Hazard sub-score55/100
Construction cost index120.2 (avg 100)

Location context

Nearest datacenterUS Signal WI02 - Madison
DC distance47.4 mi
Nearest rail0.3 mi
Nearest gas pipeline0.4 mi
Nearest fiber route47.5 mi
County hazard (FEMA NRI)Relatively High (35)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity9.23¢/kWh
Industrial electricity5.51¢/kWh
Cooling degree days1,100
Heating degree days5,600
Land price / acre$9,230
See all datacenter sites in Stephenson County →

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%
56
Fiber connectivity12%
56
Energy cost10%
82
Water risk8%
91
Natural hazard8%
55
Buildability7%
60
Labor market4%
50
DC cluster4%
45
Land / acreage3%
40
Construction cost3%
50
Gas pipeline2%
99
Tax incentive2%
100
Climate / cooling2%
70

Nearby comparable sites

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

Sites near TAP136956
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN121925Substation-Adjacent138 kV100 MW2.2 yrs65.2
UNKNOWN124269Substation-Adjacent138 kV100 MW2.2 yrs63.6
UNKNOWN121924Substation-Adjacent138 kV100 MW2.2 yrs62.9
ECOGROVE WIND LLCSubstation-Adjacent138 kV100 MW2.2 yrs62.8
TAP137877Substation-Adjacent138 kV100 MW2.2 yrs62.4
TAP137880Substation-Adjacent138 kV100 MW2.2 yrs62.2
Greenfield (UNKNOWN121925 - TAP137881)Greenfield138 kV100 MW2.2 yrs59.6
Greenfield (UNKNOWN124268 - TAP137882)Greenfield138 kV100 MW2.2 yrs57.6

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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This page shows a public slice of the GridCensus dataset for TAP136956, Stephenson 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.

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