Electric Substations in Maryland
42 catalogued substations in Maryland, with the highest-voltage facilities listed first. Each substation profile shows voltage class, operator, connected transmission lines, and the datacenter candidate sites closest to it.
| Substation | Max voltage | Connected lines | Operator |
|---|---|---|---|
| ROCK SPRINGS | 500 kV | 2 | DELMARVA POWER |
| COLORA | 230 kV | 2 | DELMARVA POWER |
| TAP139390 | 230 kV | 2 | DELMARVA POWER |
| GRACETON | 230 kV | 5 | DELMARVA POWER |
| TAP161306 | 230 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
| TAP161305 | 230 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
| BAGLEY | 230 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
| CONASTONE | 230 kV | 2 | — |
| TAP139320 | 230 kV | 2 | THE POTOMAC EDISON CO |
| RINGGOLD | 230 kV | 4 | THE POTOMAC EDISON COMPANY |
| CONOWINGO | 230 kV | 3 | DELMARVA POWER |
| TAP139391 | 230 kV | 2 | DELMARVA POWER |
| TAP139239 | 230 kV | 2 | THE POTOMAC EDISON COMPANY |
| EAST HAGERSTOWN | 138 kV | 2 | THE POTOMAC EDISON COMPANY |
| ANTIETAM | 138 kV | 2 | THE POTOMAC EDISON COMPANY |
| REID | 138 kV | 3 | THE POTOMAC EDISON COMPANY |
| WALKERSVILLE | 138 kV | 1 | THE POTOMAC EDISON COMPANY |
| CATOCTIN | 138 kV | 3 | THE POTOMAC EDISON CO |
| TAP139083 | 115 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
| FIVE FORKS | 115 kV | 3 | DELMARVA POWER |
| TAP161390 | 115 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
| TAP139388 | 115 kV | 3 | BALTIMORE GAS & ELECTRIC CO |
| TAP139084 | 115 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
| TAP161391 | 115 kV | 3 | BALTIMORE GAS & ELECTRIC CO |
| TAP139389 | 115 kV | 3 | BALTIMORE GAS & ELECTRIC CO |
| HARFORD | 115 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
| TAP161389 | 115 kV | 2 | BALTIMORE GAS & ELECTRIC CO |
See datacenter candidate sites in Maryland →
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for substations in Maryland. 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.