← Energy and data-center projects
Vial BESS
- County
- Hill
- Technology
- Battery storage
- Capacity
- 135.18 MW
- Interconnecting entity
- Gransolar Texas Eleven LLC
- Developer
- Gransolar
- Point of interconnection
- Chatt(234) - Pecan Street (3352) 138kV
- Status
- SS Completed, FIS Completed, IA
- Projected completion
- 15 September 2027
- Queue number
- 25INR0122
- Public recordGIS Report for August 2026, posted 1 September 2026, sheet “Project Details – Large Gen” ERCOT GIS Report (checked 14 September 2026)
- Public recordHill County Reinvestment Zone 014, Gransolar Texas Eleven, 135.12 MWac BESS as stated in the county record Commissioners Court (checked 14 September 2026)
ERCOT's abbreviations: SS, the security screening study; FIS, the full interconnection study; IA, the interconnection agreement. How this page is sourced →
Queue data: ERCOT GIS Report, August 2026 (posted 1 September 2026, read 30 September 2026). ERCOT publishes it for planning only; its data comes from the project companies and may contain errors. Compiled by Blackland TX. Corrections: [email protected].