Mississippi Interconnection Projects
interXdata tracks 655 interconnection projects in Mississippi representing 140,047 MW of requested capacity. The dominant technology by capacity is Solar. The most active counties are Lowndes, Panola, Sunflower.
655Total projects
71Active
293Operational
287Withdrawn
140,047 MWRequested capacity
11,798 MWActive capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Solar | 345 | 48,039 MW |
| Other | 80 | 45,889 MW |
| Gas | 156 | 35,366 MW |
| Battery | 43 | 4,674 MW |
| Solar+Battery | 19 | 3,461 MW |
| Wind | 12 | 2,618 MW |
Counties
| County | Projects | Requested capacity |
|---|---|---|
| Lowndes | 53 | 10,950 MW |
| Panola | 29 | 4,692 MW |
| Sunflower | 25 | 3,502 MW |
| Hinds | 20 | 5,022 MW |
| Clay | 18 | 7,008 MW |
| Madison | 18 | 2,802 MW |
| Warren | 18 | 2,514 MW |
| Choctaw | 18 | 7,300 MW |
| Clarke County | 15 | 3,016 MW |
| Coahoma | 15 | 1,223 MW |
| Chickasaw | 15 | 1,702 MW |
| Desoto | 15 | 5,051 MW |
| Monroe | 15 | 2,034 MW |
| Jackson | 13 | 2,400 MW |
| Washington | 12 | 3,370 MW |
| Benton | 11 | 2,196 MW |
| DeSoto | 10 | 2,114 MW |
| Lauderdale | 10 | 188 MW |
| Lamar County | 10 | 1,930 MW |
| Amite | 9 | 1,754 MW |
| Tunica | 9 | 1,547 MW |
| Jasper County | 9 | 1,521 MW |
| Perry | 9 | 1,060 MW |
| Kemper | 9 | 1,848 MW |
| Oktibbeha | 9 | 1,277 MW |
| Jones | 8 | 710 MW |
| Forrest County | 8 | 999 MW |
| Bolivar | 8 | 1,055 MW |
| Tallahatchie | 8 | 1,086 MW |
| Holmes | 8 | 1,712 MW |
| Union | 7 | 3,877 MW |
| Lamar | 7 | 946 MW |
| Marshall | 6 | 154 MW |
| Lauderdale County | 6 | 1,595 MW |
| Perry County | 6 | 650 MW |
| Attala | 6 | 1,451 MW |
| Scott | 6 | 884 MW |
| Stone County | 6 | 594 MW |
| Jones County | 5 | 1,575 MW |
| Lincoln | 5 | 720 MW |
Largest projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Southeast Queue Project 61 — Other in Lafayette, Mississippi | 61 | Other | 16,875.0 MW | withdrawn | Lafayette, Mississippi |
| Grand Gulf | 6072_1 | Other | 1,440.0 MW | operational | Claiborne, Mississippi |
| Southeast Queue Project 129 — Other in Clay, Mississippi | 129 | Other | 1,340.0 MW | withdrawn | Clay, Mississippi |
| Southeast Queue Project 130 — Other in Clay, Mississippi | 130 | Other | 1,240.0 MW | withdrawn | Clay, Mississippi |
| Southeast Queue Project 3 — Other in Lowndes, Mississippi | 3 | Other | 1,170.0 MW | withdrawn | Lowndes, Mississippi |
| Baxter Wilson SES 115/500 kV Sw YD | J1130 | Gas | 966.0 MW | withdrawn | Warren County, Mississippi |
| Entergy Freeport 230 kV Substation | J1813 | Gas | 920.0 MW | operational | DeSoto, Mississippi |
| Southeast Queue Project 44 — Other in Desoto, Mississippi | 44 | Other | 900.0 MW | operational | Desoto, Mississippi |
| Southeast Queue Project 53 — Other in Lowndes, Mississippi | 53 | Other | 900.0 MW | operational | Lowndes, Mississippi |
| Southeast Queue Project 80 — Other in Benton, Mississippi | 80 | Other | 900.0 MW | operational | Benton, Mississippi |
| Southeast Queue Project 84 — Other in Choctaw, Mississippi | 84 | Other | 875.0 MW | operational | Choctaw, Mississippi |
| Southeast Queue Project 1 — Other in Panola, Mississippi | 1 | Other | 860.0 MW | operational | Panola, Mississippi |
| Mississippi Power IC-110 | IC-110 | Gas | 855.0 MW | withdrawn | Jones County, Mississippi |
| Lakeover CCCT | E0047 | Gas | 820.0 MW | active | Hinds, Mississippi |
| Vicksburg CCCT | E0031 | Gas | 820.0 MW | active | Warren, Mississippi |
| Southeast Queue Project 70 — Other in Choctaw, Mississippi | 70 | Other | 815.0 MW | operational | Choctaw, Mississippi |
| Mississippi Power IC-021 | IC-021 | Gas | 813.0 MW | withdrawn | Lowndes County, Mississippi |
| Mississippi Power IC-029 | IC-029 | Gas | 813.0 MW | withdrawn | Lowndes County, Mississippi |
| Southeast Queue Project 122 — Other in Clay, Mississippi | 122 | Other | 800.0 MW | withdrawn | Clay, Mississippi |
| Southeast Queue Project 71 — Other in Lowndes, Mississippi | 71 | Other | 800.0 MW | withdrawn | Lowndes, Mississippi |
| Southeast Queue Project 50 — Other in Choctaw, Mississippi | 50 | Other | 800.0 MW | withdrawn | Choctaw, Mississippi |
| Southeast Queue Project 131 — Other in Clay, Mississippi | 131 | Other | 800.0 MW | withdrawn | Clay, Mississippi |
| Mississippi Power 26-IC-1425 | 26-IC-1425 | Gas | 785.0 MW | active | Clarke County, Mississippi |
| Gerald Andrus | 8054_1 | Gas | 781.4 MW | operational | Washington, Mississippi |
| Southeast Queue Project 51 — Other in Union, Mississippi | 51 | Other | 750.0 MW | withdrawn | Union, Mississippi |
| 230kV Greenacres Substation | J3825 | Gas | 730.0 MW | withdrawn | Hinds, Mississippi |
| Baxter 115/34kV | J3538 | Gas | 730.0 MW | withdrawn | Warren, Mississippi |
| MPC - Ratcliffe Uprate | 25-IC-1316 | Gas | 704.0 MW | operational | Kemper County, Mississippi |
| Southeast Queue Project 2 — Other in Lowndes, Mississippi | 2 | Other | 700.0 MW | withdrawn | Lowndes, Mississippi |
| Mississippi Power IC-200 | IC-200 | Gas | 655.0 MW | withdrawn | Jackson County, Mississippi |
Top developers in Mississippi
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| ENTERGY ARKANSAS | 2 | 1,640 MW |
Recent material changes
| Observed | Project | Field | Old | New |
|---|---|---|---|---|
| 2026-10-03 | MISO Queue Project S1139 — Generation in an unlisted county, Mississippi | withdrawn_date | — | 2026-10-01 |
| 2026-10-03 | MISO Queue Project S1139 — Generation in an unlisted county, Mississippi | status | operational | withdrawn |
| 2026-09-24 | PELAHATCHIE | phase | Study Not Started | Phase 2 |
| 2026-09-24 | ENID - TILLATOBA 230.0kV | phase | Study Not Started | Phase 2 |
| 2026-09-24 | CATLETT - TINNIN ROAD 230.0kV | phase | Study Not Started | Phase 2 |
| 2026-09-24 | Homewood 69 - Lake 69.0kV | phase | Study Not Started | Phase 2 |
| 2026-09-24 | INDIANOLA 230/115 SUB - TILLATOBA 230.0kV | phase | Study Not Started | Phase 2 |
| 2026-09-24 | BATESVILLE [MS] - MARKS 115.0kV | phase | Study Not Started | Phase 2 |
| 2026-09-24 | STEINER (CE) - SHAW SS (CE) 115.0kV | phase | Study Not Started | Phase 2 |
| 2026-09-24 | SCHLATER | phase | Study Not Started | Phase 2 |
| 2026-09-24 | BROOKHAVEN - BROOKHAVEN/SOUTH 115.0kV | phase | Study Not Started | Phase 2 |
| 2026-09-24 | INDIANOLA 230/115 SUB - MCADAMS EHV 230.0kV | phase | Study Not Started | Phase 2 |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-10-12
Page data generated2026-10-12
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); Lawrence Berkeley National Laboratory — Queued Up interconnection dataset; MISO — generator interconnection queue; soco-oatt-queue; tva-oasis. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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