Sullivan County, NY interconnection queue
2 interconnection applications are pending in Sullivan County, NY, requesting 300 MW of new generating capacity, as of 15 August 2026. 2 projects have been built here and 13 have been withdrawn since 1999.
Source: interconnection queues published by NYISO. 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 Sullivan County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Battery | 2 | 300 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 2 | 1 MW | 11.8% |
| Still pending | 2 | 300 MW | 11.8% |
| Withdrawn | 13 | 2.8 GW | 76.5% |
| 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 |
|---|---|---|---|---|---|
| Sullivan County Power Project | Gas | 1.1 GW | withdrawn | 1999-06 | NYISO |
| Mifflin | Battery | 300 MW | withdrawn | 2020-04 | NYISO |
| Coopers Corner BESS | Battery | 300 MW | withdrawn | 2023-12 | NYISO |
| Coopers Corner Storage Project 1 | Battery | 250 MW | withdrawn | 2023-03 | NYISO |
| Coopers Corner Storage Project 2 | Battery | 250 MW | withdrawn | 2023-03 | NYISO |
| Town Line Solar CSR Phase I | Battery | 240 MW | active | 2024-10 | NYISO |
| Sullivan County Solar & BESS | Battery | 200 MW | withdrawn | 2023-01 | NYISO |
| Chaumont Solar | Solar | 160 MW | withdrawn | 2018-04 | NYISO |
| East Bridge Energy Storage | Battery | 125 MW | withdrawn | 2022-09 | NYISO |
| Town Line Solar Phase II | Battery | 60 MW | active | 2024-09 | NYISO |
| Sullivan County Solar & BESS Uprate | Battery | 60 MW | withdrawn | 2023-05 | NYISO |
| Whitehart Solar | Solar | 20 MW | withdrawn | 2017-04 | NYISO |
| State Route 52 | Solar | 20 MW | withdrawn | 2022-04 | NYISO |
| Roseway Solar | Solar | 20 MW | withdrawn | 2014-08 | NYISO |
| Katrina Falls | Solar | 20 MW | withdrawn | 2020-08 | NYISO |
Large-load connection requests in this county
Requests to connect large new demand — data centres, industry, electrification — as distinct from generation. 1 recorded here.
| Request | Capacity | Status | Queue | Stated end use |
|---|---|---|---|---|
| Concord Casino | 48 MW | active | NYISO | not stated |
494 of the 545 large-load requests we hold state no end use at all, so most cannot be attributed to any industry. Where this table says “not stated”, that is the filing’s own silence, not our omission.
How this county ranks
Sullivan County ranks #792 of 1,607 US counties by capacity currently queued, and #23 of 57 in New York.
Other New York counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Kings County | 7 | 2.7 GW |
| Suffolk County | 21 | 2.5 GW |
| Genesee County | 5 | 1.2 GW |
| Franklin County | 6 | 950 MW |
| Chautauqua County | 6 | 881 MW |
| Dutchess County | 5 | 854 MW |
| Montgomery County | 6 | 790 MW |
| Steuben County | 5 | 788 MW |
Go deeper on Sullivan 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 Sullivan County on the map County reports All of New York