Moon Stone BESS
200.8 MW hybrid in Wilson, TX · In queue since February 2025 · Proposed COD March 2029
200.8 MW
Capacity
0
Components
1y 3m
In Queue
—
IA Status
COD target: 2029
Total Duration
4y 1m
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: 2029-03-31
The Moon Stone BESS project is a proposed 200.8 MW hybrid battery energy storage project located in Wilson County, Texas. Developed by Moon Stone Battery Facility LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-28INR0299, with a queue entry date of February 14, 2025. The proposed commercial operation date is March 31, 2029.
The project's point of interconnection (POI) is at the tap of the 138kV line from Eagle Creek (5132) to Floresville (5155).
Generated from interconnection queue and public data sources
State
TX
County
Wilson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Moon Stone Battery Facility LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV Eagle Creek (5132) to Floresville (5155)
Data Source
Live · ERCOT
- 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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