Bottom Grass Solar II
401.6 MW hybrid in Colorado, TX · In queue since November 2022 · Proposed COD March 2028
401.6 MW
Capacity
1
Components
Solar
3y 8m
In Queue
Facility Study
IA Phase
COD target: 2028
Total Duration
5y 4m
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: 2028-03-01
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
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
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
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
