Louisiana Interconnection Projects

interXdata tracks 770 interconnection projects in Louisiana representing 142,024 MW of requested capacity. The dominant technology by capacity is Gas. The most active counties are Calcasieu, Iberville, Ouachita.

770Total projects
56Active
362Operational
335Withdrawn
142,024 MWRequested capacity
19,973 MWActive capacity

Technology mix

TechnologyProjectsRequested capacity
Gas23666,069 MW
Solar35754,472 MW
Battery8210,638 MW
Other838,625 MW
Wind91,577 MW
Solar+Battery2608 MW
Hydro136 MW

Counties

CountyProjectsRequested capacity
Calcasieu539,098 MW
Iberville308,204 MW
Ouachita285,408 MW
Rapides284,025 MW
Beauregard275,890 MW
Morehouse274,632 MW
Acadia263,687 MW
Pointe Coupee256,229 MW
Washington222,624 MW
St Charles206,547 MW
Richland197,687 MW
East Baton Rouge161,030 MW
Concordia161,402 MW
Orleans14204 MW
Evangeline142,113 MW
Caddo131,730 MW
Jefferson Davis132,330 MW
Sabine122,274 MW
St James11138 MW
Lafayette91,725 MW
Webster91,714 MW
Jefferson92,649 MW
Ascension9898 MW
Tangipahoa8703 MW
St. Landry81,813 MW
Acadia Parish7551 MW
Caddo Parish7389 MW
Calcasieu Parish72,430 MW
Morehouse Parish7563 MW
Plaquemines7174 MW
West Baton Rouge6454 MW
St. James6598 MW
St Bernard666 MW
St Mary6203 MW
Franklin6614 MW
Richland Parish65,170 MW
Jefferson Davis Parish6626 MW
Lafourche5715 MW
De Soto51,095 MW
St. Tammany51,050 MW

Largest projects

ProjectQueue IDTechnologyCapacityStatusLocation
MISO Queue Project APP-100103 — Gas in an unlisted county, LouisianaAPP-100103Gas1,640.0 MWwithdrawnLouisiana
MISO Queue Project APP-100096 — Gas in an unlisted county, LouisianaAPP-100096Gas1,640.0 MWwithdrawnLouisiana
Richland Parish generatorsE0044Gas1,640.0 MWactiveRichland Parish, Louisiana
Richland Parish generatorsE0043Gas1,640.0 MWactiveRichland Parish, Louisiana
Franklin FarmsE0014Gas1,640.0 MWactiveRichland Parish, Louisiana
STERLINGTON 500 SWYDJ4022Gas1,509.0 MWwithdrawnOuachita, Louisiana
COLYJ4071Gas1,500.0 MWwithdrawnLivingston, Louisiana
Longwood - El Dorado 345 kV LineGEN-2024-379Gas1,350.0 MWoperationalBossier Parish, Louisiana
DONALDSONVILLE - EVERGREEN 230.0kVJ4109Gas1,300.0 MWwithdrawnIberville, Louisiana
Waterford 34270_3Other1,199.8 MWoperationalSt Charles, Louisiana
GEN-2001-016GEN-2001-016Gas1,115.0 MWwithdrawnShreveport, Louisiana
MISO Queue Project J404 — Gas in Jefferson Parish, LouisianaJ404Gas1,078.0 MWwithdrawnJefferson Parish, Louisiana
MISO Queue Project J484 — Gas in Calcasieu Parish, LouisianaJ484Gas1,056.2 MWoperationalCalcasieu Parish, Louisiana
River Bend6462_1Other1,035.9 MWoperationalWest Feliciana, Louisiana
MISO Queue Project J396 — Gas in St. Charles Parish, LouisianaJ396Gas1,020.0 MWoperationalSt. Charles Parish, Louisiana
MISO Queue Project J425 — Gas in St. Charles Parish, LouisianaJ425Gas999.0 MWwithdrawnSt. Charles Parish, Louisiana
MISO Queue Project J402 — Gas in Orleans Parish, LouisianaJ402Gas991.0 MWwithdrawnOrleans Parish, Louisiana
GEN-2001-038GEN-2001-038Gas900.0 MWwithdrawnShreveport, Louisiana
Nine Mile Point1403_5Gas895.1 MWoperationalJefferson, Louisiana
Nine Mile Point1403_6(4)Gas895.1 MWoperationalJefferson, Louisiana
Longwood to Sarepta 345 kV Line TapGEN-2022-052Solar850.0 MWwithdrawnBossier, Louisiana
Penton 230KV SubstationJ2911Solar810.0 MWwithdrawnBeauregard, Louisiana
MISO Queue Project E0048 — Gas in Rapides Parish, LouisianaE0048Gas775.0 MWactiveRapides Parish, Louisiana
MISO Queue Project APP-100016 — Gas in an unlisted county, LouisianaAPP-100016Gas770.0 MWwithdrawnLouisiana
Entergy Louisiana LRZ 9 Generation ResourceE0045Gas770.0 MWactiveCalcasieu Parish, Louisiana
Dolet Hills SubstationJ4133Gas756.0 MWwithdrawnDe Soto, Louisiana
WEBREJ4191Gas755.0 MWoperationalIberville, Louisiana
WEBREJ4138Gas755.0 MWoperationalIberville, Louisiana
GEN-2001-019GEN-2001-019Other750.0 MWwithdrawnLongwood(Caddo Parish), Louisiana
Smalling 230kV SubstationJ3841Gas735.0 MWwithdrawnRichland, Louisiana

Top developers in Louisiana

Developer (canonical)ProjectsCapacity
ENTERGY ARKANSAS66,545 MW
Nextera2716 MW
Cleco Power LLC1775 MW

Recent material changes

ObservedProjectFieldOldNew
2026-08-20SWEPCO Midway No. 832 12.5 kV Substationnew_projectwithdrawn
2026-08-17BOGALUSA - TALISHEEK (LAGEN) 230.0kVnew_projectoperational

Explore related data

Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27

Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; MISO — generator interconnection queue; Southwest Power Pool — generator interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.

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