Rockpile Storage
104 MW hybrid in Frio, TX · In queue since April 2025 · Proposed COD June 2029
104 MW
Capacity
0
Components
1y 1m
In Queue
—
IA Status
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
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
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
Live · ERCOT
- 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.
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