C2
SubstationTexas · SOUTHWESTERN PUBLIC SERVICE CO.
At a glance
C2 is an electric transmission substation in Texas, on SOUTHWESTERN PUBLIC SERVICE CO.'s transmission network. It is classified as sub-transmission (115 kv) and connects 0 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 |
|---|---|---|---|---|
| #301021 | 115 kV | SOUTHWESTERN PUBLIC SERVICE CO. | IN SERVICE | 0.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of C2, 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 |
|---|---|---|---|---|---|---|---|
| TAP302515 | Substation-Adjacent | TX | Yoakum County | 230 kV | 300 MW | 3.5 yrs | 59.1 |
| MUSTANG | Substation-Adjacent | TX | Yoakum County | 230 kV | 300 MW | 3.5 yrs | 59.0 |
| UNKNOWN302167 | Substation-Adjacent | TX | Yoakum County | 230 kV | 300 MW | 3.5 yrs | 58.9 |
| WASSON SWITCHING | Substation-Adjacent | TX | Yoakum County | 230 kV | 300 MW | 3.5 yrs | 58.9 |
| TAP308106 | Substation-Adjacent | TX | Yoakum County | 230 kV | 300 MW | 3.5 yrs | 58.8 |
| SEMINOLE | Substation-Adjacent | TX | Gaines County | 230 kV | 300 MW | 3.5 yrs | 58.2 |
| EC Near Gaines County | Greenfield | TX | Gaines | — | — | 3.5 yrs | 57.9 |
| EC Near Gaines County | Greenfield | TX | Gaines | — | — | 3.5 yrs | 56.7 |
How does C2 compare with other substations in Texas?
Texas has 4,939 substation records in HIFLD, of which 1,426 carry a station name; the rest are unnamed tap points, risers and line ends. 1,020 named substations in the state are in C2's 115–229 kV band (72% of named stations). 236 sit in a higher band. 200 named substations in Texas operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 138 kV.
Who owns the transmission lines at C2?
The 1 connected line listed above is owned by SOUTHWESTERN PUBLIC SERVICE CO. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 0.3 miles.
How do candidate sites near C2 score?
The 8 highest-scoring candidate sites within about 25 miles range from 57 to 59 on the 0–100 DC Readiness scale. They fall in Yoakum County, Gaines County, Gaines. The Texas average across 6,839 scored sites is 56.4. 3,635 of those Texas sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is C2 substation?
C2 has a maximum voltage of 115 kV and a minimum of 14 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so C2 is at the national midpoint.
How many transmission lines connect to C2 substation?
0 transmission lines terminate at or pass through C2 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 0.3 miles.
Who owns C2 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at C2 belong to SOUTHWESTERN PUBLIC SERVICE CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is C2 substation located?
C2 is in Texas at 32.9958, -102.8084. The datacenter candidate sites closest to it are in Yoakum County, Gaines County, Gaines.
Are there datacenter candidate sites near C2 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of C2. The highest-scoring is TAP302515 at 59/100. Across Texas, the average DC Readiness score is 56.4.
Other 115 kV substations in Texas
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, “C2 substation, Texas”, https://gridcensus.com/substations/texas/c2-fc438885 (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 C2 substation, Texas 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.