Port Bay ESC
200 MW storage in Aransas, TX · In queue since March 2022 · Proposed COD June 2027
200 MW
Capacity
1
Components
Battery
4y 2m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
5y 3m
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: 2027-06-28
The Port Bay ESC project is a proposed 200 MW battery storage project located in Aransas County, Texas. Developed by FRESH AIR ENERGY II, LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-24INR0280, with a queue entry date of March 21, 2022. Its proposed commercial operation date is June 28, 2027, and the project is currently in the Facility Study phase of the interconnection process.
The project will interconnect at the 8434 Rockport Substation (ROCKPORT4A) at 138kV. The development has appeared in recent news coverage regarding energy storage projects in the ERCOT region.
Generated from interconnection queue and public data sources
State
TX
County
Aransas
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
FRESH AIR ENERGY II, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
8434 Rockport Substation (ROCKPORT4A) 138kV
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Rockport 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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