Hacienda Storage — Project Summary

Queue ID
ERCOT-23INR0485
Capacity
201.9 MW
Technology
Battery
Status
active
Location
Galveston, TX
Region
ERCOT
Developer
Galveston Energy Storage LLC
IA Status
Facility Study

Hacienda Storage

BetaActiveBatteryERCOTLBNL + Live

201.9 MW storage in Galveston, TX · In queue since May 2022 · Proposed COD December 2027

201.9 MW

Capacity

1

Components

Battery

3y 10m

In Queue

Facility Study

IA Status

COD target: 2027

Interconnection Timeline

Total Duration

5y 7m

Facilities Study50%
Queue EntryMay 10, 2022

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2027-12-01

Project Details

State

TX

County

Galveston

Region

ERCOT

Developer

Galveston Energy Storage LLC

Utility

Entity

ERCOT

Point of Interconnection

38745 Attwater 138kV

Data Source

LBNL + Live

No news available for this project.