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OCI Cobb Creek ESS

Sam Switch
It taps a transmission line that runs to Sam Switch (marked). Where on the line is not public, and the line is not drawn. Hill County is outlined.
County
Hill
Technology
Battery storage
Capacity
201.6 MW
Interconnecting entity
Hillsboro Solar Project LLC
Developer
OCI Energy
Point of interconnection
tap 345kV 1907 Venus - 68090 Sam Sw
Status
SS Completed, FIS Completed, IA
Projected completion
31 December 2028
Queue number
25INR0233
  • 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 012, OCI Hillsboro Solar, with assignee Hillsboro BESS Project LLC 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].