Buffalo Creek BESS
251.4 MW storage in Fort Bend, TX · In queue since March 2024 · Proposed COD March 2026
251.4 MW
Capacity
1
Components
Battery
2y 2m
In Queue
IA Executed
IA Status
Signed Oct 2024
Queue → IA
7 months
IA → COD
1y 5m
Total Duration
7 months
Schedule
2 months past proposed COD
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2026-03-10
The Buffalo Creek BESS is a proposed 251.4 MW battery storage project in Fort Bend County, Texas. Developed by Old 300 Storage Center, LLC, the project consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0405, with a queue entry date of March 22, 2024, and a proposed commercial operation date of March 10, 2026.
The project's Interconnection Agreement (IA) has been executed as of October 2, 2024. The point of interconnection is the 44090 Cedar Creek 345kV location. The Buffalo Creek BESS project has been mentioned in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Fort Bend
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Old 300 Storage Center, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
44090 Cedar Creek 345kV
Data Source
LBNL + Live
- 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.
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