ROCK SPRINGS

Substation-Adjacent

Harford County, Maryland · PJM

DC Readiness
76.5
Excellent / 100

ROCK SPRINGS is a substation-adjacent datacenter candidate site in Harford County, Maryland, interconnecting through PJM. It screens at 76.5/100 DC Readiness with a catalogued 1,000 MW of candidate capacity and a 3.0 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationROCK SPRINGS
Substation distance0.0 mi
Substation voltage500 kV
Available capacity1,000 MW
LMP zonePJM_PECO
Wholesale LMP$38.56/MWh
Utility commercial rate0.11¢/kWh

Speed to power

ISO / RTO regionPJM
Queue depth411
Avg queue wait3.0 yrs
Recent queue wait1.6 yrs
Completion rate19%
Withdrawal rate81%

Connectivity

Nearest IXPUSNAMES-NET
IXP distance34.0 mi
Fiber providers6
Fiber coverage85.5%
Nearest cloud providerAWS
Nearest cloud regionus-east-1
Cloud region distance81.5 mi

Site characteristics

Site typeSubstation-Adjacent
Parcel ownerPECO ENERGY CO
Land owner typeprivate
Buildability100.0/100
Land cover (NLCD)Developed, High Intensity

Risk & environment

Flood zoneZone X
Water stress (WRI)0.80
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund sitePEACH BOTTOM ATOMIC POWER STATION
Hazard sub-score68/100
Construction cost index93.2 (avg 100)

Location context

Nearest datacenterUSNAMES-NET
DC distance34.0 mi
Nearest rail1.9 mi
Nearest gas pipeline3.3 mi
Nearest fiber route14.2 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (property_tax_credits)
Commercial electricity10.81¢/kWh
Industrial electricity9.63¢/kWh
Cooling degree days1,300
Heating degree days4,400
Land price / acre$11,928
See all datacenter sites in Harford County →

Incentive detail: Enterprise Zone property tax credits; personal property tax credits on DC equipment.

Full DC Readiness breakdown

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

Power availability20%
100
Speed to power15%
43
Fiber connectivity12%
73
Energy cost10%
94
Water risk8%
86
Natural hazard8%
68
Buildability7%
100
Labor market4%
50
DC cluster4%
50
Land / acreage3%
50
Construction cost3%
72
Gas pipeline2%
90
Tax incentive2%
100
Climate / cooling2%
60

Nearby comparable sites

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

Sites near ROCK SPRINGS
SiteTypeVoltageCapacityQueue waitScore
CONASTONESubstation-Adjacent500 kV1,000 MW3.0 yrs77.2
ROCK SPRINGSSubstation-Adjacent500 kV1,000 MW3.5 yrs76.0
TAP161305Substation-Adjacent230 kV300 MW3.1 yrs74.5
DELTA YORK ECSubstation-Adjacent500 kV1,000 MW3.0 yrs74.5
PEACH BOTTOMSubstation-Adjacent500 kV1,000 MW3.0 yrs74.0
UNKNOWN123011Substation-Adjacent230 kV300 MW3.1 yrs73.0
RAPHAEL ROAD SWITCHING STATIONSubstation-Adjacent230 kV300 MW3.1 yrs72.5
UNKNOWN123008Substation-Adjacent230 kV300 MW3.1 yrs71.1

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 ROCK SPRINGS, Harford 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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