Palacios Bay Energy Storage
101.2 MW storage in Matagorda, TX · In queue since October 2023 · Proposed COD June 2026
101.2 MW
Capacity
1
Components
Battery
2y 7m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
2y 8m
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: 2026-06-15
Palacios Bay Energy Storage is a proposed 101.2 MW battery storage project located in Matagorda County, Texas. The project, developed by Palacios Bay Energy Storage, LLC, entered the ERCOT interconnection queue as queue ID ERCOT-25INR0544 on October 19, 2023. Its proposed commercial operation date is June 15, 2026, and its interconnection status is currently in the Facility Study phase.
The project consists of 101.2 MW of battery storage capacity. Palacios Bay Energy Storage has been featured in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Matagorda
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Palacios Bay Energy Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV #8115 WADSWORT4A - #8139 CELNEBC4B
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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