Catamount Storage (ERCOT-28INR0097) — Project Summary

Queue ID
ERCOT-28INR0097
Capacity
515.44 MW
Technology
Battery
Status
active
Location
Harris, TX
Region
ERCOT
Developer
TOCE TX BESS 3, LLC
IA Status
Facility Study

Catamount Storage

ERCOT-28INR0097BetaActiveBatteryERCOTLBNL

515.44 MW storage in Harris, TX · In queue since September 2024 · Proposed COD June 2028

515.44 MW

Capacity

1

Components

Battery

1y 8m

In Queue

Facility Study

IA Status

COD target: 2028

Interconnection

Total Duration

3y 9m

Facilities Study50%
Queue EntrySep 4, 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: 2028-06-01

About

Catamount Storage is a proposed 515.44 MW battery storage project located in Harris County, Texas. The project, developed by TOCE TX BESS 3, LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-28INR0097, with a queue entry date of September 4, 2024. The proposed commercial operation date is June 1, 2028.

The project's interconnection status is currently in the Facility Study phase. The point of interconnection is Tap 345kV 46100 North Belt - 40850 Jordan CKT 99. The project has appeared in recent news coverage.

Generated from interconnection queue and public data sources

Project Details

State

TX

County

Harris

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

TOCE TX BESS 3, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Tap 345kV 46100 North Belt - 40850 Jordan CKT 99

Data Source

LBNL

Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_HOUSTON
Hub Confidence
MEDIUM
POI Substation
North Belt 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.

No news available for this project.