Rockefeller Storage
206.8 MW storage in Schleicher, TX · In queue since October 2019 · Proposed COD June 2027
206.8 MW
Capacity
1
Components
Battery
6y 7m
In Queue
IA Executed
IA Status
Signed Sep 2024
Queue → IA
4y 11m
IA → COD
2y 9m
Total Duration
4y 11m
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2027-06-01
The Rockefeller Storage project is a proposed 206.8 MW battery energy storage system in Schleicher County, Texas. Developed by Mittel Rockefeller Storage LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-22INR0239. The project entered the interconnection queue on October 31, 2019, and has a proposed commercial operation date of June 1, 2027.
The project's Interconnection Agreement (IA) was executed on September 23, 2024. The point of interconnection (POI) is the 76003 Big Hill 345kV substation. The Rockefeller Storage project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Schleicher
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Mittel Rockefeller Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
76003 Big Hill 345kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Big Hill 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 pi reports yet for this entity.
ask pi about Rockefeller Storage
