Escondido BESS
9.99 MW storage in Maverick, TX · Proposed COD May 2025
9.99 MW
Capacity
1
Components
Battery
—
In Queue
IA Executed
IA Status
Signed Nov 2023
IA → COD
1y 6m
Schedule
11 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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2025-05-30
The Escondido BESS project is a proposed 9.99 MW battery storage project located in Maverick County, Texas. The developer is Regis Escondido LLC. This project is interconnected within the ERCOT region and has the queue ID ERCOT-25INR0593. The proposed commercial operation date is May 30, 2025.
The project's Interconnection Agreement (IA) has been executed as of November 29, 2023. The point of interconnection (POI) is at the ESCONDIDO station, specifically the LOAD2 load transformer on Bus #8260 at 138 kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Maverick
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Regis Escondido LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Station Name: ESCONDIDO TSP Station Code: ESCONDID Load Transformer Name: LOAD2 Bus #: 8260 Voltage in kV (Transmission Level): 138 kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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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