Rattlesnake Gap Storage SLF
— hybrid in Howard, TX · In queue since September 2025 · Proposed COD June 2029
—
Capacity
0
Components
8 months
In Queue
—
IA Status
COD target: 2029
Total Duration
3y 9m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2029-06-01
The Rattlesnake Gap Storage SLF project is a proposed hybrid battery storage project located in Howard County, Texas. Developed by ET Fuels US Inc., the project has a queue entry date of September 22, 2025, in the ERCOT interconnection queue under queue ID ERCOT-29INR0179. The proposed commercial operation date is June 1, 2029.
The project consists of battery energy storage and another unspecified technology. It is currently listed as active in the ERCOT queue. Recent news coverage has discussed the project.
Generated from interconnection queue and public data sources
State
TX
County
Howard
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
ET Fuels US Inc.
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
10119 Tributary Switch 138 kV
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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.
