Electric Substations in Oklahoma
89 named substations in Oklahoma, with the highest-voltage facilities listed first. Each substation profile shows voltage class, connected transmission lines, and the datacenter candidate sites closest to it.
At a glance
How is Oklahoma's substation network split by voltage?
By maximum voltage, the named substations break down as 35 at 345–499 kV; 1 at 230–344 kV; 48 at 115–229 kV; 2 at 69–114 kV; 3 withvoltage not recorded. 39% of Oklahoma's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 150 kV is above the national median of 115 kV.
How does Oklahoma compare with other states?
Oklahoma ranks 37th of 50 states and DC by number of named substations and 11th by named substations at 345 kV or above. It also has 3,723 scored datacenter candidate sites with an average DC Readiness score of 52.8 (national average 53), and an average power sub-score of 39.2 against 37.4 nationally. Most of those sites (3,704) are in the SPP market.
Which substations in Oklahoma have the highest voltage?
| Substation | Max voltage | Connected lines | Line owner |
|---|---|---|---|
| ARCADIA | 345 kV | 8 | OKLAHOMA GAS & ELECTRIC CO |
| BEAVER COUNTY | 345 kV | 5 | TRI-COUNTY ELECTRIC COOP, INC |
| BORDER | 345 kV | 1 | — |
| CHISHOLM | 345 kV | 3 | PUBLIC SERVICE CO OF OKLAHOMA |
| CHOUTEAU | 345 kV | 3 | — |
| CIMARRON | 345 kV | 12 | OKLAHOMA GAS & ELECTRIC CO |
| CLARKSVILLE | 345 kV | 3 | EMPIRE DISTRICT ELECTRIC CO |
| CLEVELAND | 345 kV | 3 | PUBLIC SERVICE CO OF OKLAHOMA |
| DELAWARE | 345 kV | 3 | KANSAS GAS & ELECTRIC CO |
| DRAPER | 345 kV | 8 | OKLAHOMA GAS & ELECTRIC CO |
| GREEN COUNTRY | 345 kV | 2 | — |
| HUGO (345 KV) | 345 kV | 3 | PUBLIC SERVICE CO OF OKLAHOMA |
| KIAMICHI STATION | 345 kV | 4 | — |
| LAWTON EAST SIDE | 345 kV | 12 | PUBLIC SERVICE CO OF OKLAHOMA |
| MATHEWSON | 345 kV | 6 | OKLAHOMA GAS & ELECTRIC CO |
| MINCO | 345 kV | 4 | PUBLIC SERVICE CO OF OKLAHOMA |
| MUSKOGEE | 345 kV | 7 | OKLAHOMA GAS & ELECTRIC CO |
| NORTHEASTERN (345KV) | 345 kV | 5 | PUBLIC SERVICE CO OF OKLAHOMA |
| NORTHWEST | 345 kV | 8 | OKLAHOMA GAS & ELECTRIC CO |
| ONETA | 345 kV | 9 | PUBLIC SERVICE CO OF OKLAHOMA |
| PECAN CREEK | 345 kV | 6 | — |
| PITTSBURG | 345 kV | 5 | PUBLIC SERVICE CO OF OKLAHOMA |
| REDBUD | 345 kV | 4 | OKLAHOMA GAS & ELECTRIC CO |
| RIVERSIDE | 345 kV | 7 | OKLAHOMA GAS & ELECTRIC CO |
| SAPULPA ROAD | 345 kV | 6 | PUBLIC SERVICE CO OF OKLAHOMA |
| SEMINOLE | 345 kV | 12 | OKLAHOMA GAS & ELECTRIC CO |
| SOONER | 345 kV | 10 | OKLAHOMA GAS & ELECTRIC CO |
| SPRING CREEK | 345 kV | 4 | OKLAHOMA GAS & ELECTRIC CO |
| SUNNYSIDE | 345 kV | 7 | OKLAHOMA GAS & ELECTRIC CO |
| TATONGA | 345 kV | 6 | OKLAHOMA GAS & ELECTRIC CO |
| TULSA NORTH (345KV) | 345 kV | 5 | PUBLIC SERVICE CO OF OKLAHOMA |
| VALLIANT | 345 kV | 10 | PUBLIC SERVICE CO OF OKLAHOMA |
| WEKIWA | 345 kV | 7 | PUBLIC SERVICE CO OF OKLAHOMA |
| WOODRING | 345 kV | 7 | OKLAHOMA GAS & ELECTRIC CO |
| WOODWARD | 345 kV | 12 | OKLAHOMA GAS & ELECTRIC CO |
| ELK CITY | 230 kV | 7 | PUBLIC SERVICE CO OF OKLAHOMA |
| CATOOSA | 161 kV | 11 | PUBLIC SERVICE CO OF OKLAHOMA |
| EUFAULA | 161 kV | 5 | SOUTHWESTERN POWER ADMINISTRATION |
| FORT GIBSON | 161 kV | 3 | SOUTHWESTERN POWER ADMINISTRATION |
| R.S. KERR | 161 kV | 4 | SOUTHWESTERN POWER ADMINISTRATION |
| TENKILLER FERRY | 161 kV | 2 | OKLAHOMA GAS & ELECTRIC CO |
| WEBBERS FALLS | 161 kV | 7 | SOUTHWESTERN POWER ADMINISTRATION |
| WEST SILOAM SPRINGS | 161 kV | 5 | PUBLIC SERVICE CO OF OKLAHOMA |
| 38TH STREET | 138 kV | 4 | OKLAHOMA GAS & ELECTRIC CO |
| 88TH & MINGO | 138 kV | 2 | PUBLIC SERVICE CO OF OKLAHOMA |
| ANANDARKO | 138 kV | 3 | PUBLIC SERVICE CO OF OKLAHOMA |
| ATOKA | 138 kV | 5 | PUBLIC SERVICE CO OF OKLAHOMA |
| BROKEN BOW | 138 kV | 4 | PUBLIC SERVICE CO OF OKLAHOMA |
| CLAYTON | 138 kV | 1 | PUBLIC SERVICE CO OF OKLAHOMA |
| CLINTON | 138 kV | 2 | PUBLIC SERVICE CO OF OKLAHOMA |
| COMANCHE | 138 kV | 9 | PUBLIC SERVICE CO OF OKLAHOMA |
| CORNVILLE | 138 kV | 9 | PUBLIC SERVICE CO OF OKLAHOMA |
| DARLINGTON ROAD | 138 kV | 2 | OKLAHOMA GAS & ELECTRIC CO |
| DEWEY | 138 kV | 4 | PUBLIC SERVICE CO OF OKLAHOMA |
| DOME | 138 kV | 1 | PUBLIC SERVICE CO OF OKLAHOMA |
| EAST 61ST STREET | 138 kV | 2 | PUBLIC SERVICE CO OF OKLAHOMA |
| EL RENO | 138 kV | 3 | OKLAHOMA GAS & ELECTRIC CO |
| EL RENO | 138 kV | 5 | OKLAHOMA GAS & ELECTRIC CO |
| ELIZA CREEK | 138 kV | 3 | PUBLIC SERVICE CO OF OKLAHOMA |
| HINTON | 138 kV | 2 | PUBLIC SERVICE CO OF OKLAHOMA |
Every named substation in Oklahoma
All 89 named substations, grouped by voltage band.
345–499 kV · 35
- ARCADIA
- BEAVER COUNTY
- BORDER
- CHISHOLM
- CHOUTEAU
- CIMARRON
- CLARKSVILLE
- CLEVELAND
- DELAWARE
- DRAPER
- GREEN COUNTRY
- HUGO (345 KV)
- KIAMICHI STATION
- LAWTON EAST SIDE
- MATHEWSON
- MINCO
- MUSKOGEE
- NORTHEASTERN (345KV)
- NORTHWEST
- ONETA
- PECAN CREEK
- PITTSBURG
- REDBUD
- RIVERSIDE
- SAPULPA ROAD
- SEMINOLE
- SOONER
- SPRING CREEK
- SUNNYSIDE
- TATONGA
- TULSA NORTH (345KV)
- VALLIANT
- WEKIWA
- WOODRING
- WOODWARD
230–344 kV · 1
115–229 kV · 48
- CATOOSA
- EUFAULA
- FORT GIBSON
- R.S. KERR
- TENKILLER FERRY
- WEBBERS FALLS
- WEST SILOAM SPRINGS
- 38TH STREET
- 88TH & MINGO
- ANANDARKO
- ATOKA
- BROKEN BOW
- CLAYTON
- CLINTON
- COMANCHE
- CORNVILLE
- DARLINGTON ROAD
- DEWEY
- DOME
- EAST 61ST STREET
- EL RENO
- EL RENO
- ELIZA CREEK
- HINTON
- HUGO (138 KV)
- LONE OAK
- LONE OAK
- MAUD
- MOORELAND
- NASHOBA
- NORTHEASTERN
- OKLAHOMA GAS ELECTRIC
- PENNSYLVANIA
- PURCELL
- RIVERSIDE (138KV)
- ROMAN NOSE
- SARDIS
- SEMINOLE
- SHIDLER
- SOUTHARD
- SW 5TH
- TALOGA
- TULSA NORTH (138KV)
- TULSA SOUTHEAST
- WEATHERFORD
- WELEETKA
- WEST PAWHUSKA
- COLE
69–114 kV · 2
voltage not recorded · 3
Frequently asked questions
How many electric substations are in Oklahoma?
HIFLD records 1,951 substations in Oklahoma, of which 89 carry a station name. That is the 37th-most named substations of any state in the dataset.
What is the highest-voltage substation in Oklahoma?
35 named substations in Oklahoma share the top voltage of 345 kV, including ARCADIA, BEAVER COUNTY, BORDER.
Which substation in Oklahoma connects the most transmission lines?
RIVERSIDE (138KV) has the most connected transmission lines of the named substations listed here, with 13 at up to 138 kV.
How many substations in Oklahoma are 345 kV or higher?
35 of 89 named substations (39%) operate at 345 kV or above, compared with 8% nationally. Oklahoma ranks 11th of 50 states and DC for named substations at that level.
How many datacenter candidate sites in Oklahoma are at substations?
1,344 of the 3,723 scored candidate sites in Oklahoma are substation sites — locations generated at an existing substation. Scored sites across Oklahoma average 52.8 on the 0–100 DC Readiness scale, against 53 nationally.
Looking for a specific record? The directory lists every substation in Oklahoma, A to Z.
More on Oklahoma, and states with similar counts
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, “Electric substations in Oklahoma”, https://gridcensus.com/substations/oklahoma (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for substations in 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.