KINGSWOOD
SubstationMaryland · POTOMAC ELECTRIC POWER CO
At a glance
KINGSWOOD is an electric transmission substation in Maryland, on POTOMAC ELECTRIC POWER CO's transmission network. It is classified as distribution (69–115 kv) and connects 4 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #108445 | 69 kV | POTOMAC ELECTRIC POWER CO | IN SERVICE | 3.5 mi |
| #128324 | 69 kV | POTOMAC ELECTRIC POWER CO | IN SERVICE | 3.5 mi |
| #149710 | 69 kV | POTOMAC ELECTRIC POWER CO | IN SERVICE | 5.7 mi |
| #159811 | 69 kV | POTOMAC ELECTRIC POWER CO | IN SERVICE | 2.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of KINGSWOOD, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| OX | Substation-Adjacent | VA | Fairfax County | 500 kV | 1,000 MW | 5.1 yrs | 69.0 |
| UNKNOWN116662 | Substation-Adjacent | VA | Stafford County | 500 kV | 1,000 MW | 5.1 yrs | 68.5 |
| UNKNOWN116661 | Substation-Adjacent | VA | Stafford County | 230 kV | 300 MW | 5.1 yrs | 68.4 |
| WAUGH CHAPEL | Substation-Adjacent | MD | Anne Arundel County | 500 kV | 1,000 MW | 5.3 yrs | 67.5 |
| BURCHES HILL | Substation-Adjacent | MD | Prince George's County | 500 kV | 1,000 MW | 5.3 yrs | 66.9 |
| BRIGHTON | Substation-Adjacent | MD | Howard County | 500 kV | 1,000 MW | 5.3 yrs | 66.8 |
| UNKNOWN162182 | Substation-Adjacent | MD | Prince George's County | 500 kV | 1,000 MW | 5.3 yrs | 66.7 |
| CLARK | Substation-Adjacent | VA | Fairfax city | 230 kV | 300 MW | 5.1 yrs | 66.3 |
How does KINGSWOOD compare with other substations in Maryland?
Maryland has 716 substation records in HIFLD, of which 186 carry a station name; the rest are unnamed tap points, risers and line ends. 12 named substations in the state are in KINGSWOOD's 69–114 kV band (6% of named stations). 99 sit in a higher band. 9 named substations in Maryland operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 138 kV.
Who owns the transmission lines at KINGSWOOD?
The 4 connected lines listed above are owned by POTOMAC ELECTRIC POWER CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 15.4 miles.
How do candidate sites near KINGSWOOD score?
The 8 highest-scoring candidate sites within about 25 miles range from 66 to 69 on the 0–100 DC Readiness scale. They fall in Fairfax County, Stafford County, Anne Arundel County, Prince George's County. The Maryland average across 1,031 scored sites is 52.9. 314 of those Maryland sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is KINGSWOOD substation?
KINGSWOOD has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so KINGSWOOD is below the national midpoint.
How many transmission lines connect to KINGSWOOD substation?
4 transmission lines terminate at or pass through KINGSWOOD in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 15.4 miles.
Who owns KINGSWOOD substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at KINGSWOOD belong to POTOMAC ELECTRIC POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is KINGSWOOD substation located?
KINGSWOOD is in Maryland at 38.8387, -76.9068. The datacenter candidate sites closest to it are in Fairfax County, Stafford County, Anne Arundel County.
Are there datacenter candidate sites near KINGSWOOD substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of KINGSWOOD. The highest-scoring is OX at 69/100. Across Maryland, the average DC Readiness score is 52.9.
Other 69 kV substations in Maryland
- FARMINGTON· 3 lines
- CENTERVILLE· 2 lines
- GALLAHAN ROAD· 2 lines
- GRASONVILLE· 2 lines
- MOUNT HARMONY· 2 lines
- SUNDERLAND· 2 lines
- WESTLAKE· 2 lines
- BOZMAN· 1 lines
- All named substations in Maryland· 186 stations
- Datacenter candidate sites in Maryland· 1,031 sites
- Brownfield and retired plant sites in Maryland
- Substations by state
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “KINGSWOOD substation, Maryland”, https://gridcensus.com/substations/maryland/kingswood-08fa394c (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for KINGSWOOD substation, Maryland is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.