Firefly Power — Project Summary

Queue ID
ERCOT-26INR0293
Capacity
401.18 MW
Technology
Battery
Status
active
Location
Tarrant, TX
Region
ERCOT
Developer
Firefly Power LLC
IA Status
Facility Study

Firefly Power

BetaActiveBatteryERCOTLBNL

401.18 MW storage in Tarrant, TX · In queue since February 2024 · Proposed COD April 2027

401.18 MW

Capacity

1

Components

Battery

2y 1m

In Queue

Facility Study

IA Status

COD target: 2027

Interconnection Timeline

Total Duration

3y 2m

Facilities Study50%
Queue EntryFeb 27, 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: 2027-04-15

Project Details

State

TX

County

Tarrant

Region

ERCOT

Developer

Firefly Power LLC

Utility

Entity

ERCOT

Point of Interconnection

1880 Rocky Creek 345kV

Data Source

LBNL

No news available for this project.