Proving Ground BESS
42.9 MW storage in Schleicher, TX · In queue since July 2023 · Proposed COD June 2028
42.9 MW
Capacity
1
Components
Battery
2y 10m
In Queue
Facility Study
IA Status
COD target: 2028
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-06-30
The Proving Ground BESS project is a proposed 42.9 MW battery storage project located in Schleicher County, Texas. Developed by Lantana Solar LLC, the project entered the ERCOT interconnection queue as ERCOT-26INR0159 on July 10, 2023. It is currently in the Facility Study phase of the interconnection process.
The proposed commercial operation date for the Proving Ground BESS project is June 30, 2028. The point of interconnection is Tap 138kV 6500 Live Oak - 6490 Santiago. The 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
Lantana Solar LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 6500 Live Oak - 6490 Santiago
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Eldorado Live Oak 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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