Collin County, TX interconnection queue
5 interconnection applications are pending in Collin County, TX, requesting 972 MW of new generating capacity, as of 15 August 2026. 3 projects have been built here and 2 have been withdrawn since 2021.
Source: interconnection queues published by ERCOT. 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 Collin County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Battery | 5 | 972 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 3 | 143 MW | 30.0% |
| Still pending | 5 | 972 MW | 50.0% |
| Withdrawn | 2 | 253 MW | 20.0% |
| 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 |
|---|---|---|---|---|---|
| Drake BESS | Battery | 257 MW | active | 2025-01 | ERCOT |
| Little Ridge Storage | Battery | 252 MW | active | 2025-01 | ERCOT |
| BRP Tigris BESS | Other | 202 MW | withdrawn | 2021-06 | ERCOT |
| Purple Sage BESS 1 | Battery | 156 MW | active | 2025-01 | ERCOT |
| Purple Sage BESS 2 | Battery | 156 MW | active | 2025-01 | ERCOT |
| Bufflehead BESS | Battery | 150 MW | active | 2024-01 | ERCOT |
| Wigeon Whistle BESS | Other | 123 MW | completed | 2022-04 | ERCOT |
| Mallard BESS II | Other | 50 MW | withdrawn | — | ERCOT |
| Farmersville West BESS 1 | Other | 10 MW | completed | 2022-11 | ERCOT |
| Farmersville West BESS 2 | Battery | 10 MW | completed | 2023-06 | ERCOT |
How this county ranks
Collin County ranks #381 of 1,607 US counties by capacity currently queued, and #125 of 183 in Texas.
Other Texas counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Pecos County | 55 | 21.2 GW |
| Brazoria County | 55 | 11.7 GW |
| Milam County | 33 | 9.2 GW |
| Wharton County | 40 | 9.1 GW |
| Jack County | 18 | 8.6 GW |
| Hill County | 23 | 8.0 GW |
| Reeves County | 21 | 7.8 GW |
| Wilbarger County | 20 | 7.0 GW |
Go deeper on Collin 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.