OZ St. Mary's
GreenfieldSt. Mary's County, Maryland · PJM
OZ St. Mary's is a greenfield datacenter candidate site in St. Mary's County, Maryland, interconnecting through PJM. It screens at 57.9/100 DC Readiness and a 3.5 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Connectivity
Site characteristics
Risk & environment
Location context
Incentive detail: Enterprise Zone property tax credits; personal property tax credits on DC equipment.
Site location
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 St. Mary's County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| HEWITT ROAD SWITCHING STATION | Substation-Adjacent | 230 kV | 300 MW | 3.8 yrs | 54.7 |
| EC Coal St. Mary's County | Greenfield | — | — | 3.5 yrs | 53.8 |
| EC Coal St. Mary's County | Greenfield | — | — | 3.5 yrs | 50.8 |
| Mine Site | Former Mine | — | — | 3.8 yrs | 48.6 |
| UNKNOWN123947 | Substation-Adjacent | 69 kV | 50 MW | 3.8 yrs | 48.3 |
| UNKNOWN123961 | Substation-Adjacent | 69 kV | 50 MW | 3.8 yrs | 48.3 |
| TAP139049 | Substation-Adjacent | 69 kV | 50 MW | 3.8 yrs | 48.3 |
| UNKNOWN123949 | Substation-Adjacent | 69 kV | 50 MW | 3.8 yrs | 48.3 |
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 OZ St. Mary's, St. Mary's 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.