COLDSPRING
Substation-AdjacentBaltimore County, Maryland · PJM
At a glance
COLDSPRING is a substation-adjacent datacenter candidate site in Baltimore County, Maryland, scoring 57.4/100 DC Readiness — 31st of 164 scored sites in the county. Its nearest substation is COLDSPRING (0 mi, 115 kV). It sits in the PJM grid region and the BALTIMORE GAS & ELECTRIC CO service territory, where interconnection has averaged 5.3 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Enterprise Zone property tax credits; personal property tax credits on DC equipment.
Site location
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How does COLDSPRING compare with other sites in Baltimore County?
COLDSPRING ranks 31st of 164 scored candidate sites in Baltimore County. Its 57.4/100 is roughly in line with the county average of 54.2. It is roughly in line with the Maryland average of 52.9 and roughly in line with the national average of 53.2.
Against the Maryland average, its strongest sub-score is power availability (56 vs 39) and its weakest is speed to power (35 vs 36). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is COLDSPRING to power, fiber and other datacenters?
The nearest mapped substation, COLDSPRING, is about 0 miles away and operates at 115 kV. The nearest located transmission bottleneck is GRACETON-MANOR GRA-MANO A 230 KV (PJM), 28 miles away. For connectivity, the nearest internet exchange facility is Lumen Baltimore at 4.1 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Lumen Baltimore, 4.1 miles away.
What are the flood, water and hazard risks at COLDSPRING?
At the county level, FEMA's National Risk Index rates Baltimore County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Baltimore County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN123195 | Substation-Adjacent | 230 kV | 300 MW | 5.3 yrs | 64.9 |
| BRANDON SHORES | Substation-Adjacent | 230 kV | 300 MW | 5.3 yrs | 64.1 |
| PUMPHREY | Substation-Adjacent | 230 kV | 300 MW | 5.3 yrs | 62.8 |
| Gould Street | Brownfield | — | 104 MW | 5.3 yrs | 61.9 |
| UNKNOWN123196 | Substation-Adjacent | 230 kV | 300 MW | 5.3 yrs | 61.7 |
| NORTHEAST | Substation-Adjacent | 230 kV | 300 MW | 5.3 yrs | 61.2 |
| OZ Baltimore | Greenfield | — | — | 5.3 yrs | 61.0 |
| WESTPORT | Substation-Adjacent | 115 kV | 100 MW | 5.3 yrs | 60.9 |
COLDSPRING: common questions
What is the DC Readiness score of COLDSPRING?
COLDSPRING scores 57.4/100 on the GridCensus DC Readiness scale, rated good. It ranks 31st of 164 scored sites in Baltimore County. The Baltimore County average is 54.2 and the Maryland average is 52.9.
What is the nearest substation to COLDSPRING?
The nearest mapped substation is COLDSPRING, about 0 miles away, at 115 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves COLDSPRING?
BALTIMORE GAS & ELECTRIC CO (investor owned) holds the retail service territory that contains the site; its holding company is EXELON CORP.
What grid region is COLDSPRING in?
COLDSPRING is in the PJM region. Projects interconnecting there have averaged a 5.3-year wait from queue request to operation.
How far is COLDSPRING from an internet exchange?
The nearest internet exchange facility is Lumen Baltimore, about 4.1 miles away; 10 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “COLDSPRING, Baltimore County, MD”, https://gridcensus.com/datacenter-sites/maryland/baltimore-county/coldspring-990b3327 (data as of October 10, 2026).
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 COLDSPRING, Baltimore 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.