COMMONWEALTH EDISON DES PLAINES (345KV)

Substation-Adjacent

DuPage, Illinois · PJM

DC Readiness
75.5
Excellent / 100

COMMONWEALTH EDISON DES PLAINES (345KV) is a substation-adjacent datacenter candidate site in DuPage, Illinois, interconnecting through PJM. It screens at 75.5/100 DC Readiness with a catalogued 600 MW of candidate capacity and a 2.2 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationCOMMONWEALTH EDISON DES PLAINES (345KV)
Substation distance0.0 mi
Substation voltage345 kV
Available capacity600 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 IXPStream Data Centers - Chicago I
IXP distance1.1 mi
Fiber providers15
Fiber coverage27.7%
Nearest cloud providerAzure
Nearest cloud regionnorthcentralus
Cloud region distance18.6 mi

Site characteristics

Site typeSubstation-Adjacent
Parcel ownerCOMMONWEALTH EDISON CO
Land owner typeprivate
Buildability92.0/100
Land cover (NLCD)Developed, Low Intensity

Risk & environment

Flood zoneZone X
Water stress (WRI)0.60
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteA C T C INC
Hazard sub-score55/100
Construction cost index123.8 (avg 100)

Location context

Nearest datacenterStream Chicago I
DC distance1.1 mi
Nearest rail0.6 mi
Nearest gas pipeline0.2 mi
Nearest fiber route0.3 mi
County hazard (FEMA NRI)Relatively High (35)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity9.11¢/kWh
Industrial electricity5.67¢/kWh
Cooling degree days1,100
Heating degree days5,600
Land price / acre$57,683
See all datacenter sites in DuPage →

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%
87
Speed to power15%
56
Fiber connectivity12%
82
Energy cost10%
81
Water risk8%
89
Natural hazard8%
55
Buildability7%
92
Labor market4%
50
DC cluster4%
100
Land / acreage3%
30
Construction cost3%
47
Gas pipeline2%
99
Tax incentive2%
100
Climate / cooling2%
70

Nearby comparable sites

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

Sites near COMMONWEALTH EDISON DES PLAINES (345KV)
SiteTypeVoltageCapacityQueue waitScore
ITASCASubstation-Adjacent345 kV600 MW2.2 yrs76.4
PLANO (345 KV)Substation-Adjacent345 kV600 MW2.2 yrs76.4
ELMHURSTSubstation-Adjacent345 kV600 MW2.2 yrs76.2
ELECTRIC LIGHT 345 KVSubstation-Adjacent345 kV600 MW2.2 yrs76.2
UNKNOWN122246Substation-Adjacent345 kV600 MW2.2 yrs76.1
UNKNOWN122289Substation-Adjacent345 kV600 MW2.2 yrs76.1
UNKNOWN122244Substation-Adjacent345 kV600 MW2.2 yrs76.0
LOMBARDSubstation-Adjacent345 kV600 MW2.2 yrs75.6

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 COMMONWEALTH EDISON DES PLAINES (345KV), DuPage. 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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