Arpeggio BESS
200.71 MW hybrid in Victoria, TX · In queue since June 2025 · Proposed COD January 2029
200.71 MW
Capacity
0
Components
11 months
In Queue
—
IA Status
COD target: 2029
Total Duration
3y 7m
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: 2029-01-01
The Arpeggio BESS project is a proposed 200.71 MW hybrid battery energy storage project located in Victoria County, Texas. Developed by Arpeggio BESS, LLC, the project consists of battery energy storage and other unspecified technologies. It is currently active in the ERCOT interconnection queue as entry ERCOT-28INR0356, with a queue entry date of June 19, 2025.
The proposed commercial operation date (COD) for the Arpeggio BESS project is January 1, 2029. The point of interconnection (POI) is #80064 Chocolate Bayou 138kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Victoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Arpeggio BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
#80064 Chocolate Bayou 138kV
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_HOUSTON
- Hub Confidence
- MEDIUM
- POI Substation
- Chocolate Bayou 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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