TAP307973
SubstationTexas · SAM HOUSTON ELECTRIC COOP INC
TAP307973 is an electric transmission substation in Texas, operated by SAM HOUSTON ELECTRIC COOP INC. It is classified as sub-transmission (138 kv) and connects 3 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 |
|---|---|---|---|---|
| #84843 | 138 kV | SAM HOUSTON ELECTRIC COOP INC | IN SERVICE | 14.4 mi |
| #87065 | 138 kV | SAM HOUSTON ELECTRIC COOP INC | IN SERVICE | 8.8 mi |
| #89419 | 138 kV | SAM HOUSTON ELECTRIC COOP INC | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP307973, 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 |
|---|---|---|---|---|---|---|---|
| CYPRESS | Substation-Adjacent | TX | Hardin County | 500 kV | 1,000 MW | 3.4 yrs | 71.0 |
| CHINA | Substation-Adjacent | TX | Jefferson County | 230 kV | 300 MW | 3.4 yrs | 65.2 |
| AMELIA BULK | Substation-Adjacent | TX | Jefferson County | 230 kV | 300 MW | 3.4 yrs | 65.1 |
| UNKNOWN308753 | Substation-Adjacent | TX | San Jacinto County | 138 kV | 100 MW | 3.4 yrs | 64.5 |
| UNKNOWN308962 | Substation-Adjacent | TX | San Jacinto County | 138 kV | 100 MW | 3.4 yrs | 64.2 |
| UNKNOWN306449 | Substation-Adjacent | TX | Polk County | 138 kV | 100 MW | 3.4 yrs | 64.0 |
| UNKNOWN306366 | Substation-Adjacent | TX | Polk County | 138 kV | 100 MW | 3.4 yrs | 63.8 |
| UNKNOWN300331 | Substation-Adjacent | TX | Liberty County | 138 kV | 100 MW | 3.4 yrs | 63.6 |
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 TAP307973 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.