Union County, AR interconnection queue
1 interconnection applications are pending in Union County, AR, requesting 770 MW of new generating capacity, as of 15 August 2026. 3 projects have been built here and 11 have been withdrawn since 2019.
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 Union County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Gas | 1 | 770 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 3 | 600 MW | 20.0% |
| Still pending | 1 | 770 MW | 6.7% |
| Withdrawn | 11 | 1.5 GW | 73.3% |
| 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 |
|---|---|---|---|---|---|
| White Bluff EHV | Gas | 770 MW | active | 2024-12 | MISO |
| EL DORADO EHV - SAREPTA 345/115 SS 345.0kV | Solar | 350 MW | withdrawn | 2025-02 | MISO |
| El Dorado 500kV Substation | Solar | 250 MW | completed | 2021-08 | MISO |
| El Dorado 500kV Substation | Solar | 250 MW | completed | 2021-08 | MISO |
| EL DORADO EHV - SAREPTA 345/115 SS 345.0kV | Solar | 200 MW | withdrawn | 2024-04 | MISO |
| El Dorado Upland SS 115kV | Solar | 150 MW | withdrawn | 2022-09 | MISO |
| Eldorado Upland SS 115kV | Solar | 150 MW | withdrawn | 2022-09 | MISO |
| EL DORADO EHV - SAREPTA 345/115 SS 345.0kV | Solar | 150 MW | withdrawn | 2025-02 | MISO |
| El Dorado East 115kV | Solar | 130 MW | withdrawn | 2022-09 | MISO |
| Texas Eastern F SS - Strong SS 115 kV Line Tap | Solar | 100 MW | withdrawn | 2019-04 | MISO |
| El Dorado East - Sterlington 115 kV | Solar | 100 MW | completed | 2020-06 | MISO |
| El Dorado 500kV Substation | Solar | 75 MW | withdrawn | 2021-08 | MISO |
| El Dorado 500kV Substation | Solar | 75 MW | withdrawn | 2021-08 | MISO |
| El Dorado East - Sterlington 115 kV | Solar | 50 MW | withdrawn | 2020-06 | MISO |
| Texas Eastern F SS - Strong SS 115 kV Line Tap | Solar | 25 MW | withdrawn | 2019-04 | MISO |
How this county ranks
Union County ranks #481 of 1,607 US counties by capacity currently queued, and #11 of 34 in Arkansas.
Other Arkansas counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Crittenden County | 7 | 1.8 GW |
| Mississippi County | 6 | 1.5 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 |
Go deeper on Union 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.