ROHRERSTOWN
SubstationPennsylvania · PPL ELECTRIC UTILITIES CORP
At a glance
ROHRERSTOWN is an electric transmission substation in Pennsylvania, on PPL ELECTRIC UTILITIES CORP's transmission network. It is classified as sub-transmission (138 kv) and connects 2 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
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #105912 | 138 kV | PPL ELECTRIC UTILITIES CORP | IN SERVICE | 0.0 mi |
| #125737 | 138 kV | PPL ELECTRIC UTILITIES CORP | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of ROHRERSTOWN, 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 |
|---|---|---|---|---|---|---|---|
| ROCK SPRINGS | Substation-Adjacent | MD | Harford County | 500 kV | 1,000 MW | 5.3 yrs | 68.8 |
| DELTA YORK EC | Substation-Adjacent | PA | Harford County | 500 kV | 1,000 MW | 3.6 yrs | 65.8 |
| CONASTONE | Substation-Adjacent | MD | Harford County | 500 kV | 1,000 MW | 5.3 yrs | 64.7 |
| UNKNOWN123855 | Substation-Adjacent | PA | Berks County | 230 kV | 300 MW | 3.6 yrs | 64.4 |
| PEACH BOTTOM | Substation-Adjacent | PA | Harford County | 500 kV | 1,000 MW | 3.6 yrs | 64.0 |
| PEACH BOTTOM | Substation-Adjacent | PA | Harford County | 500 kV | 1,000 MW | 3.6 yrs | 64.0 |
| THREE MILE ISLAND | Substation-Adjacent | PA | York County | 500 kV | 1,000 MW | 3.6 yrs | 63.4 |
| TAP162049 | Substation-Adjacent | PA | Berks County | 230 kV | 300 MW | 3.6 yrs | 63.0 |
How does ROHRERSTOWN compare with other substations in Pennsylvania?
Pennsylvania has 2,109 substation records in HIFLD, of which 251 carry a station name; the rest are unnamed tap points, risers and line ends. 80 named substations in the state are in ROHRERSTOWN's 115–229 kV band (32% of named stations). 134 sit in a higher band. 37 named substations in Pennsylvania operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 230 kV.
Who owns the transmission lines at ROHRERSTOWN?
The 2 connected lines listed above are owned by PPL ELECTRIC UTILITIES CORP. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 0.1 miles.
How do candidate sites near ROHRERSTOWN score?
The 8 highest-scoring candidate sites within about 25 miles range from 63 to 69 on the 0–100 DC Readiness scale. They fall in Harford County, Berks County, York County. The Pennsylvania average across 6,497 scored sites is 51.8. 886 of those Pennsylvania sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is ROHRERSTOWN substation?
ROHRERSTOWN has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so ROHRERSTOWN is above the national midpoint.
How many transmission lines connect to ROHRERSTOWN substation?
2 transmission lines terminate at or pass through ROHRERSTOWN in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 0.1 miles.
Who owns ROHRERSTOWN substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at ROHRERSTOWN belong to PPL ELECTRIC UTILITIES CORP. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is ROHRERSTOWN substation located?
ROHRERSTOWN is in Pennsylvania at 40.0533, -76.3532. The datacenter candidate sites closest to it are in Harford County, Berks County, York County.
Are there datacenter candidate sites near ROHRERSTOWN substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of ROHRERSTOWN. The highest-scoring is ROCK SPRINGS at 69/100. Across Pennsylvania, the average DC Readiness score is 51.8.
Other 138 kV substations in Pennsylvania
- DRAVOSBURG· 16 lines
- CHARLEROI· 11 lines
- CHESWICK· 10 lines
- WILMERDING· 8 lines
- LOGANS FERRY· 7 lines
- NORTH· 7 lines
- BUTLER· 6 lines
- ENGLESIDE· 6 lines
- All named substations in Pennsylvania· 251 stations
- Datacenter candidate sites in Pennsylvania· 6,497 sites
- Brownfield and retired plant sites in Pennsylvania
- 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, “ROHRERSTOWN substation, Pennsylvania”, https://gridcensus.com/substations/pennsylvania/rohrerstown-7d25fa44 (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 ROHRERSTOWN substation, Pennsylvania 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.