Purple Sage BESS 2 — Project Summary

Queue ID
ERCOT-25INR0392
Capacity
156 MW
Technology
Battery
Status
active
Location
Collin, TX
Region
ERCOT
Developer
Purple Sage, LLC
IA Status
IA Executed

Purple Sage BESS 2

ERCOT-25INR0392BetaActiveBatteryERCOTLBNL + Live

156 MW storage in Collin, TX · In queue since March 2023 · Proposed COD May 2027

156 MW

Capacity

1

Components

Battery

3y 1m

In Queue

IA Executed

IA Status

Signed Oct 2024

Interconnection Timeline

Queue → IA

1y 7m

IA → COD

2y 7m

Total Duration

1y 7m

Construction75%
Queue EntryMar 8, 2023

Interconnection request submitted to ISO/RTO

Interconnection Study

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

Typical: 18–30 months (fastest major ISO)

Interconnection AgreementOct 11, 2024

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2027-05-30

Project Details

State

TX

County

Collin

Region

ERCOT

Developer

Purple Sage, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Anna 345 kV Bus# 2373

Data Source

LBNL + Live

No news available for this project.