Rockpile Storage
104 MW storage in Frio, TX · In queue since April 2025 · Proposed COD June 2029
104 MW
Capacity
1
Components
Battery
1y 3m
In Queue
Facility Study
IA Phase
COD target: 2029
Total Duration
4y 2m
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: 2029-06-12
Entered ERCOT interconnection queue, Facility Study phase
Rockpile Storage is a proposed 104 MW hybrid energy project consisting of battery storage located in Frio County, Texas. The project, developed by Rockpile Storage, LLC, is interconnected within the ERCOT region under queue ID ERCOT-29INR0109. The project entered the interconnection queue on April 21, 2025, with a proposed commercial operation date of June 12, 2029.
The project's point of interconnection is direct to substation at 69kV Derby BUS ID #5842. The project is currently listed as active in the interconnection queue. Recent news coverage has discussed the development.
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
Frio
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Rockpile Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Direct to substation at 69kV Derby BUS ID #5842
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
- Derby 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.
No Ask reports yet for this entity.
Ask about Rockpile StorageForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
