HUGO (138 KV)
SubstationOklahoma · PUBLIC SERVICE CO OF OKLAHOMA
At a glance
HUGO (138 KV) is an electric transmission substation in Oklahoma, on PUBLIC SERVICE CO OF OKLAHOMA's transmission network. It is classified as sub-transmission (138 kv) and connects 6 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 |
|---|---|---|---|---|
| #112936 | 138 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 0.7 mi |
| #117282 | 138 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 6.7 mi |
| #121020 | 138 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 10.8 mi |
| #133823 | 138 kV | PUBLIC SERVICE CO OF OKLAHOMA | — | 0.6 mi |
| #135732 | 138 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 33.3 mi |
| #136785 | 138 kV | PUBLIC SERVICE CO OF OKLAHOMA | IN SERVICE | 18.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of HUGO (138 KV), 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN300188 | Substation-Adjacent | TX | Lamar County | 345 kV | 600 MW | 3.5 yrs | 63.8 |
| HUGO (345 KV) | Substation-Adjacent | OK | Choctaw County | 345 kV | 600 MW | 4.3 yrs | 63.7 |
| VALLIANT | Substation-Adjacent | OK | McCurtain County | 345 kV | 600 MW | 4.3 yrs | 62.0 |
| OZ Lamar | Greenfield | TX | Lamar | — | — | 3.5 yrs | 61.2 |
| OZ Lamar | Greenfield | TX | Lamar | — | — | 3.5 yrs | 59.0 |
| EC Near Hugo | Greenfield | OK | Choctaw | — | — | 4.3 yrs | 58.1 |
| UNKNOWN305023 | Substation-Adjacent | TX | Lamar County | 138 kV | 100 MW | 3.5 yrs | 58.0 |
| UNKNOWN306088 | Substation-Adjacent | TX | Lamar County | 138 kV | 100 MW | 3.5 yrs | 57.9 |
How does HUGO (138 KV) compare with other substations in Oklahoma?
Oklahoma has 1,951 substation records in HIFLD, of which 89 carry a station name; the rest are unnamed tap points, risers and line ends. 48 named substations in the state are in HUGO (138 KV)'s 115–229 kV band (54% of named stations). 36 sit in a higher band. 35 named substations in Oklahoma operate at 345 kV or above. The highest voltage recorded in the state is 345 kV, and the state median is 150 kV.
Who owns the transmission lines at HUGO (138 KV)?
The 6 connected lines listed above are owned by PUBLIC SERVICE CO OF OKLAHOMA. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 70.1 miles.
How do candidate sites near HUGO (138 KV) score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 64 on the 0–100 DC Readiness scale. They fall in Lamar County, Choctaw County, McCurtain County, Lamar. The Oklahoma average across 3,723 scored sites is 52.9. 1,344 of those Oklahoma sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is HUGO (138 KV) substation?
HUGO (138 KV) has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so HUGO (138 KV) is above the national midpoint.
How many transmission lines connect to HUGO (138 KV) substation?
6 transmission lines terminate at or pass through HUGO (138 KV) in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 70.1 miles.
Who owns HUGO (138 KV) substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at HUGO (138 KV) belong to PUBLIC SERVICE CO OF OKLAHOMA. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is HUGO (138 KV) substation located?
HUGO (138 KV) is in Oklahoma at 34.0241, -95.3189. The datacenter candidate sites closest to it are in Lamar County, Choctaw County, McCurtain County.
Are there datacenter candidate sites near HUGO (138 KV) substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of HUGO (138 KV). The highest-scoring is UNKNOWN300188 at 64/100. Across Oklahoma, the average DC Readiness score is 52.9.
Other 138 kV substations in Oklahoma
- RIVERSIDE (138KV)· 13 lines
- COMANCHE· 9 lines
- CORNVILLE· 9 lines
- MOORELAND· 9 lines
- NORTHEASTERN· 9 lines
- TULSA NORTH (138KV)· 9 lines
- TULSA SOUTHEAST· 9 lines
- MAUD· 8 lines
- All named substations in Oklahoma· 89 stations
- Datacenter candidate sites in Oklahoma· 3,723 sites
- Brownfield and retired plant sites in Oklahoma
- 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, “HUGO (138 KV) substation, Oklahoma”, https://gridcensus.com/substations/oklahoma/hugo-138-kv-3458d1c7 (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 HUGO (138 KV) substation, Oklahoma 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.