Peridot Storage
50.48 MW storage in Zavala, TX · In queue since May 2023 · Proposed COD December 2025
50.48 MW
Capacity
1
Components
Battery
3 years
In Queue
Facility Study
IA Status
COD target: 2025
Total Duration
2y 7m
Schedule
4 months past proposed COD
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: 2025-12-31
Peridot Storage is a proposed 50.48 MW battery storage project located in Zavala County, Texas. The project, developed by BT Castro Storage, LLC, is interconnected within the ERCOT region under queue ID ERCOT-25INR0444. It entered the queue on May 26, 2023, with a proposed commercial operation date of December 31, 2025. The project's interconnection status is currently in the Facility Study phase.
The proposed project consists of 50.48 MW of battery storage capacity. It is slated to connect to the 5836 North Batesville 69kV point of interconnection. Peridot Storage has been the subject of recent news coverage related to deals.
Generated from interconnection queue and public data sources
State
TX
County
Zavala
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
BT Castro Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
5836 North Batesville 69kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- North Batesville 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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