Union County, OH interconnection queue
2 interconnection applications are pending in Union County, OH, requesting 447 MW of new generating capacity, as of 15 August 2026. 1 projects have been built here and 28 have been withdrawn since 2017.
Source: interconnection queues published by PJM. 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 |
|---|---|---|
| Solar | 2 | 447 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 1 | 325 MW | 3.1% |
| Still pending | 2 | 447 MW | 6.2% |
| Withdrawn | 28 | 3.5 GW | 87.5% |
| Suspended | 1 | — | 3.1% |
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 |
|---|---|---|---|---|---|
| Marysville – Gunn Road 345 kV | Solar | 325 MW | completed | 2019-09 | PJM |
| Marysville-Tangy 345 kV | Battery | 300 MW | withdrawn | 2021-01 | PJM |
| Marysville-Tangy 345 kV | Solar | 250 MW | withdrawn | 2020-09 | PJM |
| Marysville 345kV | Solar | 240 MW | active | 2018-03 | PJM |
| Marysville 345kV | Solar | 225 MW | withdrawn | 2023-02 | PJM |
| Hyatt-Marysville 345 kV | Solar | 220 MW | withdrawn | 2020-03 | PJM |
| Blue Jacket-Kirby 138 kV | Solar | 207 MW | active | 2018-08 | PJM |
| Marysville 345 kV | Solar | 200 MW | withdrawn | 2020-03 | PJM |
| Marysville 345kV | Solar | 175 MW | withdrawn | 2023-02 | PJM |
| Beatty - Biers Run 345 kV | Solar | 160 MW | withdrawn | 2022-12 | PJM |
| East Lima - Marysville 345 kV | Solar | 152 MW | withdrawn | 2022-02 | PJM |
| Blue Jacket-Kirby 138 kV | Solar | 150 MW | withdrawn | 2020-03 | PJM |
| Marysville – Hyatt 345 kV | Battery | 150 MW | withdrawn | 2021-09 | PJM |
| Eagle Road 138 kV | Solar | 150 MW | withdrawn | 2022-03 | PJM |
| Honda Marysville Tap 69 kV | Battery | 142 MW | withdrawn | 2021-09 | PJM |
How this county ranks
Union County ranks #666 of 1,607 US counties by capacity currently queued, and #18 of 69 in Ohio.
Other Ohio counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Madison County | 6 | 3.2 GW |
| Lorain County | 4 | 1.4 GW |
| Lawrence County | 1 | 1.4 GW |
| Carroll County | 1 | 1.3 GW |
| Wood County | 3 | 1.2 GW |
| Columbiana County | 1 | 1.2 GW |
| Licking County | 5 | 1.0 GW |
| Trumbull County | 1 | 970 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.