Houston County BESS
125.4 MW storage in Houston, TX · In queue since February 2024 · Proposed COD April 2027
125.4 MW
Capacity
1
Components
Battery
2y 3m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
3y 2m
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: 2027-04-12
The Houston County BESS project is a proposed 125.4 MW battery storage project located in Houston County, Texas. Developed by Houston ESS, LLC, the project consists entirely of battery storage. It is currently in the ERCOT interconnection queue as entry ERCOT-27INR0196, with a queue entry date of February 27, 2024, and a proposed commercial operation date of April 12, 2027. The project's interconnection agreement status is currently in the Facility Study phase.
The proposed project is linked to an existing operating plant of the same name (Houston County BESS) with EIA plant ID 68671. The point of interconnection is at the Tap ETEC 138kV #6733 Mustang Prairie to #6732 Latexo Sub station. The Houston County BESS project has been mentioned in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Houston
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Houston ESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap ETEC 138kV #6733 Mustang Prairie to #6732 Latexo Sub
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- HIGH
- POI Substation
- Mustang Prairie Substation
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.
Last updated 2026-03-26
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