Firefly Fields Storage — Project Summary

Queue ID
ERCOT-29INR0123
Capacity
156.52 MW
Technology
Battery
Status
active
Location
Colorado, Texas
Region
ERCOT
Developer
Firefly Fields Energy Center LLC
IA Status

Firefly Fields Storage

BetaActiveOther - Battery Energy StorageERCOTLive · ERCOT

156.52 MW storage in Colorado, Texas · In queue since March 2025 · Proposed COD September 2028

156.52 MW

Capacity

0

Components

1 year

In Queue

IA Status

COD target: 2028

Interconnection Timeline

Total Duration

3y 6m

Pre-Study0%
Queue EntryMar 24, 2025

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 Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-09-30

Project Details

State

Texas

County

Colorado

Region

ERCOT

Developer

Firefly Fields Energy Center LLC

Utility

Entity

ERCOT

Point of Interconnection

Tap 138 kV 57640 Rock Island to 7258 Glidden

Data Source

Live · ERCOT

No news available for this project.