Mississippi County, AR interconnection queue
6 interconnection applications are pending in Mississippi County, AR, requesting 1.5 GW of new generating capacity, as of 15 August 2026. 12 projects have been built here and 18 have been withdrawn since 2018.
Source: interconnection queues published by MISO. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in Mississippi County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 4 | 1.4 GW |
| Hybrid | 2 | 155 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 12 | 3.1 GW | 33.3% |
| Still pending | 6 | 1.5 GW | 16.7% |
| Withdrawn | 18 | 5.3 GW | 50.0% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| DELL EHV - NEW MADRID (AECI) 500.0kV | Solar | 500 MW | withdrawn | 2024-03 | MISO |
| DELL EHV - SAN SOUCI 500.0kV | Hybrid | 500 MW | completed | 2021-08 | MISO |
| DELL EHV - SAN SOUCI 500.0kV | Hybrid | 500 MW | completed | 2021-12 | MISO |
| DELL EHV - SAN SOUCI 500.0kV | Hybrid | 500 MW | completed | 2021-12 | MISO |
| DELL EHV - SAN SOUCI 500.0kV | Solar | 500 MW | active | 2024-04 | MISO |
| Sandy Bayou | Solar | 500 MW | active | 2022-09 | MISO |
| 592 | Solar | 500 MW | withdrawn | 2023-12 | TVA |
| 593 | Solar | 500 MW | withdrawn | 2023-12 | TVA |
| 594 | Solar | 500 MW | withdrawn | 2023-12 | TVA |
| 597 | Solar | 500 MW | withdrawn | 2023-12 | TVA |
| 598 | Solar | 500 MW | withdrawn | 2023-12 | TVA |
| 599 | Solar | 500 MW | withdrawn | 2023-12 | TVA |
| Sandy Bayou | Solar | 440 MW | completed | 2021-11 | MISO |
| San Souci 500 kV Substation | Solar | 300 MW | withdrawn | 2018-03 | MISO |
| GILMORE - WILSON 161.0kV | Hybrid | 300 MW | withdrawn | 2024-04 | MISO |
How this county ranks
Mississippi County ranks #259 of 1,607 US counties by capacity currently queued, and #2 of 34 in Arkansas.
Other Arkansas counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Crittenden County | 7 | 1.8 GW |
| Jefferson County | 4 | 1.2 GW |
| Jackson County | 4 | 1.2 GW |
| Calhoun County | 3 | 1.1 GW |
| Craighead County | 4 | 950 MW |
| Ouachita County | 4 | 901 MW |
| Phillips County | 6 | 890 MW |
| Hot Spring County | 2 | 875 MW |
Go deeper on Mississippi County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open Mississippi County on the map County reports All of Arkansas