Substation-Adjacent site at 38.978, -76.323
Substation-AdjacentAnne Arundel County, Maryland · PJM
At a glance
Substation-Adjacent site at 38.978, -76.323 is a substation-adjacent datacenter candidate site in Anne Arundel County, Maryland, scoring 55.0/100 DC Readiness — 27th of 64 scored sites in the county. Its nearest substation is UNKNOWN123026 (0 mi, 69 kV). It sits in the PJM grid region, where interconnection has averaged 5.3 years from request to operation. GridCensus catalogs 50 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 Substation-Adjacent site at 38.978, -76.323 compare with other sites in Anne Arundel County?
Substation-Adjacent site at 38.978, -76.323 ranks 27th of 64 scored candidate sites in Anne Arundel County. Its 55.0/100 is roughly in line with the county average of 54.9. 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 (84 vs 72) 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 Substation-Adjacent site at 38.978, -76.323 to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN123026, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is GRACETON-MANOR GRA-MANO A 230 KV (PJM), 50 miles away. For connectivity, the nearest internet exchange facility is AiNET MD-790R at 18.8 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is CyberNAP Glen Burnie, 18.9 miles away.
What are the flood, water and hazard risks at Substation-Adjacent site at 38.978, -76.323?
At the county level, FEMA's National Risk Index rates Anne Arundel 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 Anne Arundel County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| WAUGH CHAPEL | Substation-Adjacent | 500 kV | 1,000 MW | 5.3 yrs | 67.5 |
| TAP139174 | Substation-Adjacent | 230 kV | 300 MW | 5.3 yrs | 63.3 |
| EC Coal Anne Arundel County | Greenfield | — | — | 5.3 yrs | 62.8 |
| EC Near Green Machine | Greenfield | — | — | 5.3 yrs | 61.3 |
| OZ Anne Arundel | Greenfield | — | — | 5.3 yrs | 61.0 |
| EC Near Herbert A Wagner | Greenfield | — | — | 5.3 yrs | 60.8 |
| EC Near Green Machine | Greenfield | — | — | 5.3 yrs | 60.4 |
| EC Near Herbert A Wagner | Greenfield | — | — | 5.3 yrs | 60.0 |
Substation-Adjacent site at 38.978, -76.323: common questions
What is the DC Readiness score of Substation-Adjacent site at 38.978, -76.323?
Substation-Adjacent site at 38.978, -76.323 scores 55.0/100 on the GridCensus DC Readiness scale, rated good. It ranks 27th of 64 scored sites in Anne Arundel County. The Anne Arundel County average is 54.9 and the Maryland average is 52.9.
What is the nearest substation to Substation-Adjacent site at 38.978, -76.323?
The nearest mapped substation is UNKNOWN123026, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
What grid region is Substation-Adjacent site at 38.978, -76.323 in?
Substation-Adjacent site at 38.978, -76.323 is in the PJM region. Projects interconnecting there have averaged a 5.3-year wait from queue request to operation.
How far is Substation-Adjacent site at 38.978, -76.323 from an internet exchange?
The nearest internet exchange facility is AiNET MD-790R, about 18.8 miles away; 11 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, “Substation-Adjacent site at 38.978, -76.323, Anne Arundel County, MD”, https://gridcensus.com/datacenter-sites/maryland/anne-arundel-county/unknown123026-b57da1a4 (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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