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Gridcensus

UNKNOWN123011

Substation-Adjacent

Harford County, Maryland · PJM

DC Readiness
63.8
Good / 100

UNKNOWN123011 is a substation-adjacent datacenter candidate site in Harford County, Maryland, interconnecting through PJM. It screens at 63.8/100 DC Readiness with a catalogued 300 MW of candidate capacity and a 3.8 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationUNKNOWN123011
Substation distance0.0 mi
Substation voltage230 kV
Available capacity300 MW
UtilityBALTIMORE GAS & ELECTRIC COinvestor ownedmoderate to large load · terms ≥ 25 MWNext Generation Energy Act large-load provisions

Speed to power

Interconnection outlookModerate
≈ 3.8 yrs typical interconnection wait

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

ISO / RTO regionPJM
Queue depth308
Avg queue wait3.8 yrs

Connectivity

Nearest IXPZayo Baltimore - 111 Market Pl
IXP distance23.3 mi
Fiber providers6
Fiber coverage85.8%

Site characteristics

Former useoil
Existing capacity53 MW
Retirement date2016-02-01

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score78/100

Location context

Nearest datacenterJohns Hopkins Data Center
DC distance20.6 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

Regulatory climate

Moderatestate posture · as of 2026-08

No notable statewide DC restriction on record; confirm local zoning and utility tariffs.

DC tax incentiveNo / suspended

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

Site location

◆ Loading map…
≥ 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%
78
Speed to power20%
40
Fiber connectivity12%
80
Energy cost10%
50
Water risk7%
84
Natural hazard6%
78
Buildability7%
60
Labor market4%
50
DC cluster4%
60
Land / acreage3%
37
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
60

Nearby comparable sites

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

Sites near UNKNOWN123011
SiteTypeVoltageCapacityQueue waitScore
ROCK SPRINGSSubstation-Adjacent500 kV1,000 MW3.8 yrs69.5
DELTA YORK ECSubstation-Adjacent500 kV1,000 MW3.8 yrs67.0
CONASTONESubstation-Adjacent500 kV1,000 MW3.8 yrs66.2
PEACH BOTTOMSubstation-Adjacent500 kV1,000 MW3.8 yrs65.4
PEACH BOTTOMSubstation-Adjacent500 kV1,000 MW3.8 yrs65.4
RAPHAEL ROAD SWITCHING STATIONSubstation-Adjacent230 kV300 MW3.8 yrs64.0
TAP139126Substation-Adjacent230 kV300 MW3.8 yrs62.6
TAP161306Substation-Adjacent230 kV300 MW3.8 yrs62.5

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

Every site and score for UNKNOWN123011, Harford County is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.