SPINNINNG SPUR I
SubstationTexas · SOUTHWESTERN PUBLIC SERVICE CO.
At a glance
SPINNINNG SPUR I is an electric transmission substation in Texas, on SOUTHWESTERN PUBLIC SERVICE CO.'s transmission network. It is classified as high-voltage (345 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
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 |
|---|---|---|---|---|
| #302210 | 345 kV | SOUTHWESTERN PUBLIC SERVICE CO. | IN SERVICE | 36.0 mi |
| #304550 | 345 kV | SOUTHWESTERN PUBLIC SERVICE CO. | IN SERVICE | 10.5 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of SPINNINNG SPUR I, 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 |
|---|---|---|---|---|---|---|---|
| AJ SWOPE | Substation-Adjacent | TX | Potter County | 345 kV | 600 MW | 3.5 yrs | 65.8 |
| BUSHLAND | Substation-Adjacent | TX | Randall County | 230 kV | 300 MW | 3.5 yrs | 62.9 |
| SPINNINNG SPUR I | Substation-Adjacent | TX | Oldham County | 345 kV | 600 MW | 3.5 yrs | 59.9 |
| SPINNING SPUR II | Substation-Adjacent | TX | Oldham County | 345 kV | 600 MW | 3.5 yrs | 59.4 |
| UNKNOWN307307 | Substation-Adjacent | TX | Potter County | 115 kV | 100 MW | 3.5 yrs | 57.4 |
| DAWN | Substation-Adjacent | TX | Randall County | 115 kV | 100 MW | 3.5 yrs | 57.4 |
| SPINNING SPUR III | Substation-Adjacent | TX | Oldham County | 345 kV | 600 MW | 3.5 yrs | 57.3 |
| TAP307971 | Substation-Adjacent | TX | Potter County | 69 kV | 50 MW | 3.5 yrs | 56.0 |
How does SPINNINNG SPUR I 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. 198 named substations in the state are in SPINNINNG SPUR I's 345–499 kV band (14% of named stations). 2 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 SPINNINNG SPUR I?
The 2 connected lines listed above are owned by SOUTHWESTERN PUBLIC SERVICE CO. Line voltages range from 345 kV to 345 kV. Their combined recorded length is about 46.5 miles.
How do candidate sites near SPINNINNG SPUR I score?
The 8 highest-scoring candidate sites within about 25 miles range from 56 to 66 on the 0–100 DC Readiness scale. They fall in Potter County, Randall County, Oldham County. 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 SPINNINNG SPUR I substation?
SPINNINNG SPUR I has a maximum voltage of 345 kV. That places it in the 345–499 kV band. The median named US substation in this dataset is 115 kV, so SPINNINNG SPUR I is above the national midpoint.
How many transmission lines connect to SPINNINNG SPUR I substation?
2 transmission lines terminate at or pass through SPINNINNG SPUR I in the HIFLD line data. The connected lines listed here run at 345 kV. Together the listed lines cover about 46.5 miles.
Who owns SPINNINNG SPUR I substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at SPINNINNG SPUR I belong to SOUTHWESTERN PUBLIC SERVICE CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is SPINNINNG SPUR I substation located?
SPINNINNG SPUR I is in Texas at 35.2830, -102.4347. The datacenter candidate sites closest to it are in Potter County, Randall County, Oldham County.
Are there datacenter candidate sites near SPINNINNG SPUR I substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of SPINNINNG SPUR I. The highest-scoring is AJ SWOPE at 66/100. Across Texas, the average DC Readiness score is 56.4.
Other 345 kV substations in Texas
- GREENS BAYOU 345· 21 lines
- ROYSE· 17 lines
- CEDAR BAYOU PLANT· 16 lines
- PH ROBINSON· 16 lines
- VENUS· 16 lines
- SKYLINE· 15 lines
- SOTEX5· 15 lines
- PARISH· 14 lines
- All named substations in Texas· 1,426 stations
- Datacenter candidate sites in Texas· 6,839 sites
- Brownfield and retired plant sites in Texas
- 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, “SPINNINNG SPUR I substation, Texas”, https://gridcensus.com/substations/texas/spinninng-spur-i-f1de521b (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 SPINNINNG SPUR I 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.