WEST HEMPFIELD
SubstationPennsylvania
At a glance
WEST HEMPFIELD is an electric transmission substation in Pennsylvania. It is classified as high-voltage (230 kv) and connects 9 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 & operation
Operator not catalogued for this substation.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of WEST HEMPFIELD, 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 |
| 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 |
| SOUTH AKRON | Substation-Adjacent | PA | Lancaster County | 230 kV | 300 MW | 3.6 yrs | 61.4 |
How does WEST HEMPFIELD 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. 97 named substations in the state are in WEST HEMPFIELD's 230–344 kV band (39% of named stations). 37 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.
How do candidate sites near WEST HEMPFIELD score?
The 8 highest-scoring candidate sites within about 25 miles range from 61 to 69 on the 0–100 DC Readiness scale. They fall in Harford County, York County, Berks County, Lancaster 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 WEST HEMPFIELD substation?
WEST HEMPFIELD has a maximum voltage of 230 kV. That places it in the 230–344 kV band. The median named US substation in this dataset is 115 kV, so WEST HEMPFIELD is above the national midpoint.
How many transmission lines connect to WEST HEMPFIELD substation?
9 transmission lines terminate at or pass through WEST HEMPFIELD in the HIFLD line data.
Where is WEST HEMPFIELD substation located?
WEST HEMPFIELD is in Pennsylvania at 40.0260, -76.4666. The datacenter candidate sites closest to it are in Harford County, York County, Berks County.
Are there datacenter candidate sites near WEST HEMPFIELD substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of WEST HEMPFIELD. The highest-scoring is ROCK SPRINGS at 69/100. Across Pennsylvania, the average DC Readiness score is 51.8.
Other 230 kV substations in Pennsylvania
- SIEGFRIED· 21 lines
- MIDDLETOWN JUNCTION· 19 lines
- SOUTH AKRON· 14 lines
- LYCOMING· 13 lines
- QUARRY· 13 lines
- HUMMELSTOWN· 12 lines
- JENKINS· 12 lines
- MARTINS CREEK· 11 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, “WEST HEMPFIELD substation, Pennsylvania”, https://gridcensus.com/substations/pennsylvania/west-hempfield-c292b2a2 (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 WEST HEMPFIELD 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.