Electric Substations in Arkansas
174 named substations in Arkansas, 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 Arkansas's substation network split by voltage?
By maximum voltage, the named substations break down as 15 at 500 kV and above; 2 at 345–499 kV; 5 at 230–344 kV; 104 at 115–229 kV; 36 at 69–114 kV; 12 withvoltage not recorded. 10% of Arkansas's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 161 kV is above the national median of 115 kV.
How does Arkansas compare with other states?
Arkansas ranks 26th of 50 states and DC by number of named substations and 31st by named substations at 345 kV or above. It also has 1,651 scored datacenter candidate sites with an average DC Readiness score of 53.6 (national average 53), and an average power sub-score of 42.4 against 37.4 nationally. Most of those sites (1,263) are in the MISO market.
Which substations in Arkansas have the highest voltage?
| Substation | Max voltage | Connected lines | Line owner |
|---|---|---|---|
| ARKANSAS NUCLEAR ONE | 500 kV | 6 | ENTERGY ARKANSAS INC |
| DELL | 500 kV | 12 | ENTERGY ARKANSAS INC |
| EL DORADO SUBSTATION | 500 kV | 11 | ENTERGY ARKANSAS INC |
| FORT SMITH | 500 kV | 6 | OKLAHOMA GAS & ELECTRIC CO |
| INDEPENDENCE SUBSTATION | 500 kV | 9 | ENTERGY ARKANSAS INC |
| JONESBORO EHV | 500 kV | 6 | ENTERGY ARKANSAS INC |
| KEO SUBSTATION | 500 kV | 4 | ENTERGY ARKANSAS INC |
| MABELVALE SUBSTATION | 500 kV | 11 | ENTERGY ARKANSAS INC |
| MAYFLOWER | 500 kV | 6 | ENTERGY ARKANSAS INC |
| PLEASANT HILL | 500 kV | 5 | ENTERGY ARKANSAS INC |
| SANS SOUCI | 500 kV | 3 | ENTERGY ARKANSAS INC |
| SHERIDAN | 500 kV | 4 | ENTERGY ARKANSAS INC |
| WEST MEMPHIS SUBSTATION | 500 kV | 5 | ENTERGY ARKANSAS INC |
| WHITE BLUFF | 500 kV | 8 | ENTERGY ARKANSAS INC |
| WRIGHTSVILLE | 500 kV | 6 | ENTERGY ARKANSAS INC |
| CHAMBERS SPRINGS | 345 kV | 6 | EMPIRE DISTRICT ELECTRIC CO |
| TONTITOWN | 345 kV | 7 | EMPIRE DISTRICT ELECTRIC CO |
| BRINKLEY EAST SUBSTATION | 230 kV | 6 | ENTERGY ARKANSAS INC |
| LAKE VILLAGE BAGBY SUBSTATION | 230 kV | 4 | ENTERGY ARKANSAS INC |
| RITCHIE STATION | 230 kV | 8 | ENTERGY ARKANSAS INC |
| STUTTGART RICUSKEY | 230 kV | 5 | ENTERGY ARKANSAS INC |
| WOODWARD SUBSTATION | 230 kV | 14 | ENTERGY ARKANSAS INC |
| ADABELL | 161 kV | 2 | OKLAHOMA GAS & ELECTRIC CO |
| AECC JONESBORO NORTH | 161 kV | 2 | SOUTHWESTERN POWER ADMINISTRATION |
| ALMA | 161 kV | 2 | OKLAHOMA GAS & ELECTRIC CO |
| ARKOMA | 161 kV | 2 | OKLAHOMA GAS & ELECTRIC CO |
| BARLING | 161 kV | 2 | — |
| BATESVILLE | 161 kV | 2 | ENTERGY ARKANSAS INC |
| BATTLEFIELD | 161 kV | 2 | — |
| BEAVER | 161 kV | 4 | ENTERGY ARKANSAS INC |
| BRANCH | 161 kV | 5 | OKLAHOMA GAS & ELECTRIC CO |
| BULL SHOALS | 161 kV | 8 | ENTERGY ARKANSAS INC |
| CEDAR GROVE | 161 kV | 2 | ENTERGY ARKANSAS INC |
| CHERRY VALLEY | 161 kV | 2 | ENTERGY ARKANSAS INC |
| COLONY | 161 kV | 2 | OKLAHOMA GAS & ELECTRIC CO |
| CORNING | 161 kV | 2 | ENTERGY ARKANSAS INC |
| DARDANELLE | 161 kV | 5 | ENTERGY ARKANSAS INC |
| DATTO | 161 kV | 2 | ENTERGY ARKANSAS INC |
| EAST FAYETTEVILLE | 161 kV | 6 | SOUTHWESTERN ELECTRIC POWER CO |
| EUREKA SPRINGS | 161 kV | 4 | ENTERGY ARKANSAS INC |
| FAYETTEVILLE | 161 kV | 2 | SOUTHWESTERN ELECTRIC POWER CO |
| FAYETTEVILLE SOUTH | 161 kV | 4 | SOUTHWESTERN ELECTRIC POWER CO |
| FLIPPIN | 161 kV | 2 | ENTERGY ARKANSAS INC |
| FLOYD "FROG" HUDSON STATION | 161 kV | 2 | ENTERGY ARKANSAS INC |
| GRAVEL RIDGE | 161 kV | 2 | ENTERGY ARKANSAS INC |
| GRAVEL RIDGE SOUTH | 161 kV | 5 | ENTERGY ARKANSAS INC |
| GREENBRIER | 161 kV | 2 | ENTERGY ARKANSAS INC |
| GREERS FERRY | 161 kV | 3 | ENTERGY ARKANSAS INC |
| HELBERG | 161 kV | 4 | OKLAHOMA GAS & ELECTRIC CO |
| HERGETT JCWL | 161 kV | 5 | ENTERGY ARKANSAS INC |
| HIGHLAND | 161 kV | 2 | SOUTHWESTERN POWER ADMINISTRATION |
| HIGHWAY 59 | 161 kV | 1 | OKLAHOMA GAS & ELECTRIC CO |
| IGO | 161 kV | 3 | OKLAHOMA GAS & ELECTRIC CO |
| J STREET | 161 kV | 2 | OKLAHOMA GAS & ELECTRIC CO |
| JOHNSON | 161 kV | 2 | — |
| JONESBORO | 161 kV | 6 | ENTERGY ARKANSAS INC |
| JONESBORO SPA | 161 kV | 8 | ENTERGY ARKANSAS INC |
| JONESBORO SPA | 161 kV | 3 | ENTERGY ARKANSAS INC |
| LEHI | 161 kV | 4 | ENTERGY ARKANSAS INC |
| LITTLE ROCK PINNACLE | 161 kV | 4 | ENTERGY ARKANSAS INC |
Every named substation in Arkansas
All 174 named substations, grouped by voltage band.
500 kV and above · 15
345–499 kV · 2
230–344 kV · 5
115–229 kV · 104
- ADABELL
- AECC JONESBORO NORTH
- ALMA
- ARKOMA
- BARLING
- BATESVILLE
- BATTLEFIELD
- BEAVER
- BRANCH
- BULL SHOALS
- CEDAR GROVE
- CHERRY VALLEY
- COLONY
- CORNING
- DARDANELLE
- DATTO
- EAST FAYETTEVILLE
- EUREKA SPRINGS
- FAYETTEVILLE
- FAYETTEVILLE SOUTH
- FLIPPIN
- FLOYD "FROG" HUDSON STATION
- GRAVEL RIDGE
- GRAVEL RIDGE SOUTH
- GREENBRIER
- GREERS FERRY
- HELBERG
- HERGETT JCWL
- HIGHLAND
- HIGHWAY 59
- IGO
- J STREET
- JOHNSON
- JONESBORO
- JONESBORO SPA
- JONESBORO SPA
- LEHI
- LITTLE ROCK PINNACLE
- LITTLE SPADRA CREEK
- MASSARD
- MOSES STEAM ELECTRIC STATION
- NEWARK
- NEWPORT SUBSTATION
- NORFORK
- OAK PARK
- OZARK
- PARKIN
- PUDDIN RIDGE
- RAZORBACK
- RECTOR
- RUDY
- RUSSELLVILLE EAST
- SHORT MOUNTAIN
- SILOAM SPRINGS
- SIMMONS
- THIRD STREET
- TRUMANN
- TWIN BRIDGES
- TYLER
- VAN BUREN
- VBI
- WEST MEMPHIS GATEWAY
- WHITESIDE
- ASHDOWN REA
- LOCKENSBURG
- OKAY
- PATTERSON
- SUGAR HILL
- TEXARKANA NO. 02
- AECC HYDRO STATION #2
- ALMYRA
- AMITY
- APLINE
- BAUXITE
- BEARDEN
- CABOT SOUTH
- DELUCE
- DEWITT
- ELDREDGE FORMBY
- ENGLAND
- ENTERGY SUB STATION SOUTH
- GILLETT
- HAZEN
- LACEY
- LEWISVILLE
- LITTLE ROCK ARCH ST
- LITTLE ROCK ROLAND ROAD
- MCGEHEE
- MONTICELLO EAST
- MOUNT CARMEL
- NELSON
- NORTH LITTLE ROCK LEVY
- OLA
- PINE BLUFF 34TH & MAIN
- PINE BLUFF EAST
- PINE BLUFF I.P SW STA
- PINE BLUFF MCCAMANT
- PINE BLUFF SOUTH
- PINE BLUFF WATSON CHAPEL
- PINE BLUFF WEST
- POYEN
- WARD
- WEST
- WINCHESTER
69–114 kV · 36
- ALBERT PIKE
- ARCH SMITH
- ASHDOWN 69
- BELLE AVE
- BLOOMBURG M.P.
- BOONEVILLE
- CARLEY ROAD
- CARNAL
- CAVANAUGH
- CHARLES G. WHALEY
- DE QUEEN
- DIERKS
- DOODRIDGE
- E.E. STEVENSON
- EXCEKSUIR
- F.M. COCHRAN
- FOREMAN CEMENT
- FOREMAN NORTH
- FOUKE
- GRANNIS
- GREENLAND
- GULLEY ROAD
- LEWISVILLE
- MIDWAY M.P.
- NASHVILLE
- NORTH HUNTINGTON
- NORTH NASHVILLE
- PARK VIEW
- SALEM
- SOUTH SIDE
- SOUTH TEXA.
- STATE LINE
- TRACY
- W.E. WILLIAMS
- WALDRON
- WEST
Frequently asked questions
How many electric substations are in Arkansas?
HIFLD records 1,025 substations in Arkansas, of which 174 carry a station name. That is the 26th-most named substations of any state in the dataset.
What is the highest-voltage substation in Arkansas?
15 named substations in Arkansas share the top voltage of 500 kV, including ARKANSAS NUCLEAR ONE, DELL, EL DORADO SUBSTATION.
Which substation in Arkansas connects the most transmission lines?
WOODWARD SUBSTATION has the most connected transmission lines of the named substations listed here, with 14 at up to 230 kV.
How many substations in Arkansas are 345 kV or higher?
17 of 174 named substations (10%) operate at 345 kV or above, compared with 8% nationally. Arkansas ranks 31st of 50 states and DC for named substations at that level.
How many datacenter candidate sites in Arkansas are at substations?
758 of the 1,651 scored candidate sites in Arkansas are substation sites — locations generated at an existing substation. Scored sites across Arkansas average 53.6 on the 0–100 DC Readiness scale, against 53 nationally.
Looking for a specific record? The directory lists every substation in Arkansas, A to Z.
More on Arkansas, 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 Arkansas”, https://gridcensus.com/substations/arkansas (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 Arkansas 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.