Zeus Armstrong BESS — Project Summary

Queue ID
ERCOT-25INR0587
Capacity
421.5 MW
Technology
Battery
Status
active
Location
Armstrong, TX
Region
ERCOT
Developer
Armstrong BESS, LLC
IA Status
Facility Study

Zeus Armstrong BESS

BetaActiveBatteryERCOTLBNL + Live

421.5 MW storage in Armstrong, TX · In queue since March 2024 · Proposed COD April 2028

421.5 MW

Capacity

1

Components

Battery

2 years

In Queue

Facility Study

IA Status

COD target: 2028

Interconnection Timeline

Total Duration

4y 1m

Facilities Study50%
Queue EntryMar 22, 2024

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: 2028-04-17

Project Details

State

TX

County

Armstrong

Region

ERCOT

Developer

Armstrong BESS, LLC

Utility

Entity

ERCOT

Point of Interconnection

Tap 345KV 23900 ALIBATES - 23914 TULECNYN

Data Source

LBNL + Live

No news available for this project.