Electric Substations in Louisiana
297 named substations in Louisiana, 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 Louisiana's substation network split by voltage?
By maximum voltage, the named substations break down as 14 at 500 kV and above; 3 at 345–499 kV; 88 at 230–344 kV; 76 at 115–229 kV; 62 at 69–114 kV; 54 withvoltage not recorded. 6% of Louisiana's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 138 kV is above the national median of 115 kV.
How does Louisiana compare with other states?
Louisiana ranks 15th of 50 states and DC by number of named substations and 31st by named substations at 345 kV or above. It also has 1,762 scored datacenter candidate sites with an average DC Readiness score of 53.2 (national average 53), and an average power sub-score of 41.5 against 37.4 nationally. Most of those sites (1,622) are in the MISO market.
Which substations in Louisiana have the highest voltage?
| Substation | Max voltage | Connected lines | Line owner |
|---|---|---|---|
| BOGALUSA | 500 kV | 2 | ENTERGY LOUISIANA LLC |
| COLY | 500 kV | 13 | ENTERGY LOUISIANA LLC |
| FANCY POINT | 500 kV | 9 | ENTERGY LOUISIANA LLC |
| MC KNIGHT | 500 kV | 4 | ENTERGY LOUISIANA LLC |
| MOUNT OLIVE | 500 kV | 5 | ENTERGY LOUISIANA INC |
| NELSON | 500 kV | 3 | ENTERGY LOUISIANA LLC |
| RICHARD | 500 kV | 13 | ENTERGY |
| STERLINGTON | 500 kV | 2 | ENTERGY LOUISIANA INC |
| STERLINGTON | 500 kV | 7 | ENTERGY LOUISIANA INC |
| STERLINGTON | 500 kV | 4 | ENTERGY LOUISIANA INC |
| WATERFORD 500KV | 500 kV | 2 | ENTERGY LOUISIANA INC |
| WEBRE | 500 kV | 3 | ENTERGY LOUISIANA LLC |
| WELLS | 500 kV | 5 | ENTERGY LOUISIANA LLC |
| WILLOW GLEN (500KV) | 500 kV | 5 | ENTERGY LOUISIANA LLC |
| LONGWOOD | 345 kV | 4 | SOUTHWESTERN ELECTRIC POWER CO |
| SAREPTA | 345 kV | 3 | ENTERGY ARKANSAS INC |
| SOUTHWEST SHREVEPORT | 345 kV | 8 | SOUTHWESTERN ELECTRIC POWER CO |
| ACADIANA MALL | 230 kV | 2 | — |
| ADDIS | 230 kV | 10 | ENTERGY GULF STATES - LA LLC |
| ALMONASTER | 230 kV | 2 | ENTERGY NEW ORLEANS, LLC |
| AMERICAN CYANAMID | 230 kV | 4 | ENTERGY LOUISIANA INC |
| ARABI | 230 kV | 2 | ENTERGY LOUISIANA INC |
| AVENUE C | 230 kV | 2 | ENTERGY NEW ORLEANS, LLC |
| AVONDALE | 230 kV | 2 | ENTERGY LOUISIANA INC |
| BARATARIA | 230 kV | 2 | ENTERGY LOUISIANA INC |
| BAYOU VISTA | 230 kV | 2 | CLECO POWER LLC |
| BEADLE | 230 kV | 2 | — |
| BEHRMAN | 230 kV | 4 | ENTERGY LOUISIANA INC |
| BRIARWOOD | 230 kV | 2 | ENTERGY GULF STATES - LA LLC |
| CARLYSS | 230 kV | 15 | ENTERGY LOUISIANA LLC |
| CARROLL | 230 kV | 4 | — |
| CLARENCE | 230 kV | 4 | — |
| CLAYTONIA | 230 kV | 2 | ENTERGY LOUISIANA INC |
| CLEARY | 230 kV | 2 | ENTERGY LOUISIANA INC |
| COCODRIE | 230 kV | 5 | — |
| COLFAX | 230 kV | 2 | — |
| CURRAN | 230 kV | 2 | ENTERGY NEW ORLEANS, LLC |
| DELMONT | 230 kV | 3 | ENTERGY GULF STATES - LA LLC |
| DELTA | 230 kV | 4 | ENTERGY NEW ORLEANS, LLC |
| DERBIGNY | 230 kV | 3 | ENTERGY NEW ORLEANS, LLC |
| DESTREHAN | 230 kV | 2 | ENTERGY LOUISIANA INC |
| DOWNTOWN | 230 kV | 2 | ENTERGY GULF STATES - LA LLC |
| EAST LEESVILLE | 230 kV | 6 | — |
| ELKS | 230 kV | 4 | — |
| ESSO | 230 kV | 3 | ENTERGY GULF STATES - LA LLC |
| EXXON | 230 kV | 4 | ENTERGY GULF STATES - LA LLC |
| FLANDERS | 230 kV | 4 | — |
| FOREST HILL | 230 kV | 2 | — |
| FRANCIS | 230 kV | 4 | ENTERGY GULF STATES - LA LLC |
| GIBSON | 230 kV | 3 | ENTERGY LOUISIANA INC |
| GILLIS | 230 kV | 2 | ENTERGY LOUISIANA LLC |
| HAMMOND | 230 kV | 4 | ENTERGY LOUISIANA LLC |
| HARAHAN | 230 kV | 2 | ENTERGY LOUISIANA INC |
| HARELSON | 230 kV | 9 | ENTERGY GULF STATES - LA LLC |
| HAZEL | 230 kV | 2 | ENTERGY GULF STATES - LA LLC |
| HOOKER | 230 kV | 6 | ENTERGY LOUISIANA INC |
| INDEPENDENCE | 230 kV | 3 | ENTERGY LOUISIANA LLC |
| JAGUAR | 230 kV | 8 | ENTERGY GULF STATES - LA LLC |
| JOLIET | 230 kV | 1 | ENTERGY NEW ORLEANS, LLC |
| JONES CREEK | 230 kV | 3 | ENTERGY GULF STATES - LA LLC |
Every named substation in Louisiana
All 297 named substations, grouped by voltage band.
500 kV and above · 14
345–499 kV · 3
230–344 kV · 88
- ACADIANA MALL
- ADDIS
- ALMONASTER
- AMERICAN CYANAMID
- ARABI
- AVENUE C
- AVONDALE
- BARATARIA
- BAYOU VISTA
- BEADLE
- BEHRMAN
- BRIARWOOD
- CARLYSS
- CARROLL
- CLARENCE
- CLAYTONIA
- CLEARY
- COCODRIE
- COLFAX
- CURRAN
- DELMONT
- DELTA
- DERBIGNY
- DESTREHAN
- DOWNTOWN
- EAST LEESVILLE
- ELKS
- ESSO
- EXXON
- FLANDERS
- FOREST HILL
- FRANCIS
- GIBSON
- GILLIS
- HAMMOND
- HARAHAN
- HARELSON
- HAZEL
- HOOKER
- INDEPENDENCE
- JAGUAR
- JOLIET
- JONES CREEK
- KENNER
- LABARRE
- LAKESHORE
- LEESVILLE
- LITTLE GYPSY STATION
- LULING
- MARKET STREET 230 KV
- MEAUX
- MESSICK
- MICHOUD STATION
- MIDTOWN
- MOSS BLUFF
- NINEMILE POINT
- NORCO
- OAK VILLA
- OAKVILLE
- PARIS
- PAUGER
- PLAQUEMINE
- PONCHATOULA
- PONT DES MOUTON
- PONTCHARTRAIN PARK
- PORT HUDSON
- RACELAND
- RAMOS
- RAPIDES
- RODEMACHER
- SHERWOOD
- SNAKEFARM
- SORRENTO
- SOUTHPORT
- TERREBONNE
- THIBODAUX
- TIGER
- TRICOU
- UNION CARBIDE
- UNIVERSITY CITY
- VACHERIE
- VILLE PLATTE
- WAGGAMAN SUBSATION
- WATERFORD 230KV
- WEINER
- WEST FORK
- WILLOW GLEN (230KV)
- WILLOW GLEN (500KV)
115–229 kV · 76
- ABBEVILLE
- ACADIA
- AIR PRODUCTS
- ALCHEM
- ARIZONA
- ARSENAL HILL
- BELFAIR
- BOUDOIN
- CECILIA
- CHALKLEY BULK
- CITCON WEST
- COCODRIE
- COSMAR
- DEEN POINT
- DELCAMBRE
- EDWARDS STREET
- FLORIDA
- FLOURNOY
- FORT HUMBUG
- GEIGY
- GEISMAR
- GENERAL MOTORS
- GREENWELL
- HARTS ISLAND
- HENNING
- HOPKINS
- JENNINGS
- JUDICE
- KIRK SUBSTATION
- LE BLANC
- LIEBERMAN 138KV
- LINWOOD
- LONGWOOD
- MAURICE
- MC WILLIE
- MICKENS
- MONOCHEM
- MORBIHAN
- MOSSVILLE
- MOUTON
- OAK CO OP
- PECAN GROVE
- PIERREMONT
- RAINES ROAD
- ROSEBLUFF
- SCOTT
- SEARS
- SEGURA
- SHARP
- SOLAC
- SOUTH SHREVEPORT
- STAUFFER
- STONEWALL
- SUTAN
- TRICHEL STREET
- VALERIE
- WALLACE LAKE
- WESTERN ELECTRIC
- YOUNGSVILLE
- ALLIANCE
- BARATARIA
- BOGALUSA
- FROSTKRAFT
- GENTILLY ROAD
- GRETNA
- HARVEY
- HOLIDAY
- HOUMA
- MONROE 115KV TIC
- NASA
- SAREPTA
- SHERWOOD FOREST
- STANDARD
- STERLINGTON
- SWARTZ
- WESTWEGO
69–114 kV · 62
- AIR FORCE BASE
- ANN
- BILLEAUD
- BLOUNT
- BRADY HEIGHTS
- BURTON
- CAMPBELL
- CARTER
- CHLOMAL
- CHOUPIQUE
- CLINTON
- COMPTON
- CONTRABAND
- DEROUEN
- DUSON
- EAST BROAD
- EGAN
- ELLERBE ROAD
- ELTON
- ERATH
- FERN STREET
- FORBING ROAD
- FORD
- FORD
- GOOSPORT
- GOUDCHAUX
- GREINWICH
- GUILBEAU ELECTRIC
- HARDY
- HARGIS HERBERT SWITCHYARD
- JACKSON
- KLONDIKE
- LACASSINE
- LAWTAG
- LUKE STREET
- MAIN LINE
- MARYDALE
- MCMANUS
- MIDWAY
- NEW IBERIA
- OAK PARK
- PARKS
- PERARD ELECTRIC
- PINES ROAD
- PINHOOK
- POTTER
- ROBBIE
- SAINT LANDRY
- SANDY CREEK
- SERPENT
- SEVENTY SECOND
- SMITH
- SULPHUR
- SWAN
- TEXLAKE
- TEXSUL
- WAREHOUSE ELECTRIC
- WATERWORKS
- WESTLAKE
- WINN
- WOOLWORTH ROAD CO OP
- ZACHARY
voltage not recorded · 54
- ALASKA
- BAYOU VERRET
- BEAUREGARD
- BELCHER
- BLANCHARD
- BODCAU ROAD
- BROOKS STREET
- BROUSSARD
- BROWNLEE ROAD
- CAPITOL
- CARENCRO
- CELCIA
- CHAUVIN
- DENHAM SPRINGS
- DRUSILLA
- DUPLESSIS
- EAST
- GEORGIA PACIFIC
- GILLIAM
- GLORIA
- HIGHLAND
- HOLIDAY
- HOSSTON
- JEFFERSON
- JULIA
- KEATCHIE CO OP
- KINGSTON STATION
- LA NEUVILLE
- LAFAYETTE
- LOCKHART
- LOCKHART
- LOGANSPORT
- LOUISIANA AVENUE
- LSU
- LUCAS
- LUCKY
- MARSHALL STREET
- MERMENTAU
- MIDWAY
- NAPOLEONVILLE
- NORTH MARKET
- NORTH SLIDELL
- NORTHDALE
- PORT ROBSON
- POWELL
- RODESSA
- SUNSET
- VIVIAN
- WELSH
- WESCO
- WESCO
- WEST GILMAN ROAD
- WESTDALE
- WHITEHURST
Frequently asked questions
How many electric substations are in Louisiana?
HIFLD records 1,305 substations in Louisiana, of which 297 carry a station name. That is the 15th-most named substations of any state in the dataset.
What is the highest-voltage substation in Louisiana?
14 named substations in Louisiana share the top voltage of 500 kV, including BOGALUSA, COLY, FANCY POINT.
Which substation in Louisiana connects the most transmission lines?
WATERFORD 230KV has the most connected transmission lines of the named substations listed here, with 17 at up to 230 kV.
How many substations in Louisiana are 345 kV or higher?
17 of 297 named substations (6%) operate at 345 kV or above, compared with 8% nationally. Louisiana ranks 31st of 50 states and DC for named substations at that level.
How many datacenter candidate sites in Louisiana are at substations?
615 of the 1,762 scored candidate sites in Louisiana are substation sites — locations generated at an existing substation. Scored sites across Louisiana average 53.2 on the 0–100 DC Readiness scale, against 53 nationally.
Looking for a specific record? The directory lists every substation in Louisiana, A to Z.
More on Louisiana, 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 Louisiana”, https://gridcensus.com/substations/louisiana (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 Louisiana 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.