ROCK SPRINGS
Substation-AdjacentHarford County, Maryland · PJM
ROCK SPRINGS is a substation-adjacent datacenter candidate site in Harford County, Maryland, interconnecting through PJM. It screens at 68.9/100 DC Readiness with a catalogued 1,000 MW of candidate capacity and a 3.8 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
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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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 Harford County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| DELTA YORK EC | Substation-Adjacent | 500 kV | 1,000 MW | 3.8 yrs | 65.8 |
| CONASTONE | Substation-Adjacent | 500 kV | 1,000 MW | 3.8 yrs | 64.9 |
| PEACH BOTTOM | Substation-Adjacent | 500 kV | 1,000 MW | 3.8 yrs | 64.1 |
| PEACH BOTTOM | Substation-Adjacent | 500 kV | 1,000 MW | 3.8 yrs | 64.1 |
| RAPHAEL ROAD SWITCHING STATION | Substation-Adjacent | 230 kV | 300 MW | 3.8 yrs | 62.7 |
| UNKNOWN123011 | Substation-Adjacent | 230 kV | 300 MW | 3.8 yrs | 62.6 |
| TAP139126 | Substation-Adjacent | 230 kV | 300 MW | 3.8 yrs | 61.3 |
| TAP161306 | Substation-Adjacent | 230 kV | 300 MW | 3.8 yrs | 61.2 |
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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This page shows a public slice of the GridCensus dataset for ROCK SPRINGS, Harford County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.