820 Key Highway
IndustrialBaltimore County, Maryland · PJM
At a glance
820 Key Highway is an industrial datacenter candidate site in Baltimore County, Maryland, scoring 52.7/100 DC Readiness — 73rd of 164 scored sites in the county. 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.
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 820 Key Highway compare with other sites in Baltimore County?
820 Key Highway ranks 73rd of 164 scored candidate sites in Baltimore County. Its 52.7/100 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 fiber connectivity (85 vs 72) and its weakest is power availability (30 vs 39). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is 820 Key Highway to power, fiber and other datacenters?
The nearest located transmission bottleneck is GRACETON-MANOR GRA-MANO A 230 KV (PJM), 31 miles away. For connectivity, the nearest internet exchange facility is Crown Castle Baltimore (111 Market, 700 E Pratt) at 0.6 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Crown Castle Baltimore, 0.6 miles away.
What are the flood, water and hazard risks at 820 Key Highway?
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 |
820 Key Highway: common questions
What is the DC Readiness score of 820 Key Highway?
820 Key Highway scores 52.7/100 on the GridCensus DC Readiness scale, rated fair. It ranks 73rd of 164 scored sites in Baltimore County. The Baltimore County average is 54.2 and the Maryland average is 52.9.
Which electric utility serves 820 Key Highway?
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 820 Key Highway in?
820 Key Highway is in the PJM region. Projects interconnecting there have averaged a 5.3-year wait from queue request to operation.
How far is 820 Key Highway from an internet exchange?
The nearest internet exchange facility is Crown Castle Baltimore (111 Market, 700 E Pratt), about 0.6 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, “820 Key Highway, Baltimore County, MD”, https://gridcensus.com/datacenter-sites/maryland/baltimore-county/820-key-highway-4c6352e5 (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.
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