LONE OAK
SubstationOklahoma · OKLAHOMA GAS & ELECTRIC CO
At a glance
LONE OAK is an electric transmission substation in Oklahoma, on OKLAHOMA GAS & ELECTRIC CO's transmission network. 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 |
|---|---|---|---|---|
| #105257 | 138 kV | OKLAHOMA GAS & ELECTRIC CO | IN SERVICE | 4.0 mi |
| #133925 | 138 kV | OKLAHOMA GAS & ELECTRIC CO | IN SERVICE | 3.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of LONE OAK, 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 |
|---|---|---|---|---|---|---|---|
| NORTHWEST | Substation-Adjacent | OK | Oklahoma County | 345 kV | 600 MW | 4.3 yrs | 66.6 |
| CIMARRON | Substation-Adjacent | OK | Canadian County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| EC Near Mustang | Greenfield | OK | Canadian | — | — | 4.3 yrs | 65.8 |
| SPRING CREEK | Substation-Adjacent | OK | Logan County | 345 kV | 600 MW | 4.3 yrs | 65.7 |
| MATHEWSON | Substation-Adjacent | OK | Canadian County | 345 kV | 600 MW | 4.3 yrs | 65.6 |
| ARCADIA | Substation-Adjacent | OK | Oklahoma County | 345 kV | 600 MW | 4.3 yrs | 65.5 |
| UNKNOWN118468 | Substation-Adjacent | OK | Oklahoma County | 138 kV | 100 MW | 4.3 yrs | 65.4 |
| EC Near Mustang | Greenfield | OK | Canadian | — | — | 4.3 yrs | 65.1 |
How does LONE OAK 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 LONE OAK'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 LONE OAK?
The 2 connected lines listed above are owned by OKLAHOMA GAS & ELECTRIC CO. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 7.2 miles.
How do candidate sites near LONE OAK score?
The 8 highest-scoring candidate sites within about 25 miles range from 65 to 67 on the 0–100 DC Readiness scale. They fall in Oklahoma County, Canadian County, Canadian, Logan County. 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 LONE OAK substation?
LONE OAK 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 LONE OAK is above the national midpoint.
How many transmission lines connect to LONE OAK substation?
2 transmission lines terminate at or pass through LONE OAK in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 7.2 miles.
Who owns LONE OAK substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at LONE OAK belong to OKLAHOMA GAS & ELECTRIC CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is LONE OAK substation located?
LONE OAK is in Oklahoma at 35.6392, -97.5915. The datacenter candidate sites closest to it are in Oklahoma County, Canadian County, Canadian.
Are there datacenter candidate sites near LONE OAK substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of LONE OAK. The highest-scoring is NORTHWEST at 67/100. 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, “LONE OAK substation, Oklahoma”, https://gridcensus.com/substations/oklahoma/lone-oak-5a368436 (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 LONE OAK 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.