HILLJE
SubstationTexas · AEP TEXAS CENTRAL COMPANY
HILLJE is an electric transmission substation in Texas, operated by AEP TEXAS CENTRAL COMPANY. It is classified as high-voltage (345 kv) and connects 5 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #83149 | 345 kV | CENTERPOINT ENERGY | IN SERVICE | 49.0 mi |
| #84392 | 345 kV | AEP TEXAS CENTRAL COMPANY | IN SERVICE | 19.6 mi |
| #92610 | 345 kV | AEP TEXAS CENTRAL COMPANY | IN SERVICE | 19.6 mi |
| #92734 | 345 kV | CENTERPOINT ENERGY | IN SERVICE | 49.0 mi |
| #84908 | 138 kV | — | IN SERVICE | 74.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of HILLJE, 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 |
|---|---|---|---|---|---|---|---|
| SOUTH TEXAS PROJECT | Substation-Adjacent | TX | Matagorda County | 345 kV | 600 MW | 3.4 yrs | 66.8 |
| BLESSING | Substation-Adjacent | TX | Matagorda County | 345 kV | 600 MW | 3.4 yrs | 65.0 |
| UNKNOWN308688 | Substation-Adjacent | TX | Wharton County | 138 kV | 100 MW | 3.4 yrs | 64.3 |
| UNKNOWN305897 | Substation-Adjacent | TX | Calhoun County | 138 kV | 100 MW | 3.4 yrs | 64.0 |
| UNKNOWN301241 | Substation-Adjacent | TX | Calhoun County | 138 kV | 100 MW | 3.4 yrs | 63.5 |
| UNKNOWN302074 | Substation-Adjacent | TX | Matagorda County | 138 kV | 100 MW | 3.4 yrs | 63.1 |
| UNKNOWN304209 | Substation-Adjacent | TX | Wharton County | 138 kV | 100 MW | 3.4 yrs | 63.1 |
| UNKNOWN306528 | Substation-Adjacent | TX | Calhoun County | 138 kV | 100 MW | 3.4 yrs | 63.1 |
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
This page shows a public slice of the GridCensus dataset for HILLJE substation, Texas. 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.