Bottom Grass Solar II
401.6 MW generation in Colorado, TX · In queue since November 2022 · Proposed COD December 2026
401.6 MW
Capacity
1
Components
Solar
3y 6m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
4y 1m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-12-01
Bottom Grass Solar II is a proposed solar generation project located in Colorado County, Texas, within the ERCOT region. The project, developed by Flint Rock Solar Project, LLC, has a total capacity of 401.6 MW.
The project is currently active in the ERCOT interconnection queue under queue ID ERCOT-25INR0152, with an entry date of November 7, 2022. The proposed commercial operation date is December 1, 2026, and the project's interconnection agreement status is currently in the Facility Study phase. Recent news coverage has discussed the project.
Generated from interconnection queue and public data sources
State
TX
County
Colorado
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Flint Rock Solar Project, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 9073 Holman - 44200 Hillje
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Holman Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
