Hacienda Storage
201.9 MW storage in Galveston, TX · In queue since May 2022 · Proposed COD December 2027
201.9 MW
Capacity
1
Components
Battery
4 years
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
5y 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: 2027-12-01
The Hacienda Storage project is a proposed 201.9 MW battery energy storage system located in Galveston County, Texas. The project, being developed by Galveston Energy Storage LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-23INR0485, with a queue entry date of May 10, 2022.
The proposed commercial operation date for Hacienda Storage is December 1, 2027. The project's interconnection status is currently in the Facility Study phase, and it intends to connect to the 38745 Attwater 138kV point of interconnection. The project has appeared in recent news.
Generated from interconnection queue and public data sources
State
TX
County
Galveston
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Galveston Energy Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
38745 Attwater 138kV
Data Source
LBNL + Live
- 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.
No ask pi reports yet for this entity.
ask pi about Hacienda Storage
