SWEENY
SubstationTexas · TEXAS-NEW MEXICO POWER CO.
SWEENY is an electric transmission substation in Texas, operated by TEXAS-NEW MEXICO POWER CO.. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #83517 | 138 kV | TEXAS-NEW MEXICO POWER CO. | — | 3.8 mi |
| #90686 | 138 kV | TEXAS-NEW MEXICO POWER CO. | IN SERVICE | 6.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of SWEENY, 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 |
|---|---|---|---|---|---|---|---|
| DOW VELASCO | Substation-Adjacent | TX | Brazoria County | 345 kV | 600 MW | 3.4 yrs | 69.5 |
| SOUTH TEXAS PROJECT | Substation-Adjacent | TX | Matagorda County | 345 kV | 600 MW | 3.4 yrs | 66.8 |
| UNKNOWN302859 | Substation-Adjacent | TX | Brazoria County | 138 kV | 100 MW | 3.4 yrs | 64.8 |
| UNKNOWN308688 | Substation-Adjacent | TX | Wharton County | 138 kV | 100 MW | 3.4 yrs | 64.3 |
| UNKNOWN310390 | Substation-Adjacent | TX | Brazoria County | 138 kV | 100 MW | 3.4 yrs | 64.1 |
| BIPORT | Substation-Adjacent | TX | Brazoria County | 138 kV | 100 MW | 3.4 yrs | 63.2 |
| HOFMAN | Substation-Adjacent | TX | Brazoria County | 138 kV | 100 MW | 3.4 yrs | 63.1 |
| UNKNOWN302074 | Substation-Adjacent | TX | Matagorda 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 SWEENY 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.