Simsboro Storage
301.6 MW hybrid in Freestone, TX · In queue since June 2025 · Proposed COD March 2029
301.6 MW
Capacity
0
Components
11 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: 2029-03-31
The Simsboro Storage project is a proposed 301.6 MW hybrid development located in Freestone County, Texas. The project, developed by Simsboro Storage LLC, consists of battery energy storage and another unspecified technology. It is listed in the ERCOT interconnection queue as entry ERCOT-29INR0119, with a queue entry date of June 11, 2025, and a proposed commercial operation date of March 31, 2029.
The project's point of interconnection (POI) is Tap Outlaw (3386) – Limestone (46020). The project is currently listed as active in the interconnection queue.
Generated from interconnection queue and public data sources
State
TX
County
Freestone
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Simsboro Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap Outlaw (3386) – Limestone (46020)
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.
