Williamson County, Texas — Interconnection Projects
The interXdata warehouse tracks 22 interconnection projects in Williamson, Texas, representing 1,570 MW of requested capacity.
22Total projects
0Active
16Operational
4Withdrawn
1,570 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Battery | 6 | 514 MW |
| Gas | 8 | 452 MW |
| Solar | 5 | 400 MW |
| Other | 3 | 203 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Big Watt Mustang Power | 27INR0606 | Gas | 449.0 MW | operational | Williamson, Texas |
| Cornwall Solar | 23INR0210 | Solar | 204.5 MW | suspended | Williamson, Texas |
| Cornwall BESS | 24INR0244 | Battery | 203.8 MW | suspended | Williamson, Texas |
| Grace Bear Solar | 25INR0315 | Solar | 101.1 MW | withdrawn | Williamson, Texas |
| Guinness BESS | 24INR0352 | Battery | 100.5 MW | withdrawn | Williamson, Texas |
| North Fork Energy Storage | 20INR0276 | Other | 100.5 MW | operational | Williamson, Texas |
| North Fork TX | 64317_NF | Battery | 100.0 MW | operational | Williamson, Texas |
| Kirkwall Solar | 22INR0439 | Solar | 73.1 MW | withdrawn | Williamson, Texas |
| River Valley Storage 1 | 20INR0290 | Other | 51.5 MW | operational | Williamson, Texas |
| River Valley Storage 2 | 20INR0293 | Other | 51.5 MW | operational | Williamson, Texas |
| TX21 River Valley Storage 2 | 65700_TX21 | Battery | 50.0 MW | operational | Williamson, Texas |
| TX19 River Valley Storage 1 | 65699_TX19 | Battery | 50.0 MW | operational | Williamson, Texas |
| Garnet Solar | 20INR0021 | Solar | 20.0 MW | withdrawn | Williamson, Texas |
| Rabbit Hill Energy Storage Project | 60649_1 | Battery | 9.9 MW | operational | Williamson, Texas |
| IKEA Round Rock 027 | 58013_PV | Solar | 1.4 MW | operational | Williamson, Texas |
| HEB00591 | 66562_H5911 | Gas | 0.4 MW | operational | Williamson, Texas |
| HEB00591 | 66562_H5912 | Gas | 0.4 MW | operational | Williamson, Texas |
| WAL5480 | 64959_GEN1 | Gas | 0.4 MW | operational | Williamson, Texas |
| WAL5480 | 64959_GEN2 | Gas | 0.4 MW | operational | Williamson, Texas |
| HEB00591 | 66562_H5914 | Gas | 0.4 MW | operational | Williamson, Texas |
| WAL5480 | 64959_GEN3 | Gas | 0.4 MW | operational | Williamson, Texas |
| HEB00591 | 66562_H5913 | Gas | 0.4 MW | operational | Williamson, Texas |
Top developers
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| KCE TX 19, LLC | 1 | 52 MW |
| Industrial India Project LLC | 1 | 101 MW |
| KCE TX 21, LLC | 1 | 52 MW |
| North Shore Energy Storage LLC | 1 | 100 MW |
| Innovative Solar 245, LLC | 1 | 20 MW |
| ABEI ENERGY&INFRASTRUCTURE LLC | 1 | 73 MW |
| Big Watt Power Mustang LLC | 1 | 449 MW |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); ERCOT — Generation Interconnection Status (GIS) report; Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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