Texas Deepwater BESS
313.29 MW hybrid in Harris, TX · In queue since February 2026 · Proposed COD March 2029
313.29 MW
Capacity
0
Components
3 months
In Queue
—
IA Status
COD target: 2029
Total Duration
3y 1m
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: 2029-03-05
The Texas Deepwater BESS project is a proposed 313.29 MW hybrid battery energy storage project located in Harris County, Texas. Developed by TDWP Partners LLC, the project is interconnected within the ERCOT region and entered the ERCOT interconnection queue as ERCOT-29INR0245 on February 13, 2026. The proposed commercial operation date is March 5, 2029.
The project is a hybrid facility that includes battery energy storage and another unspecified technology. It is currently listed as an active project in the ERCOT interconnection queue, with its point of interconnection at the #40881 Parkes Substation 138 kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Harris
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
TDWP Partners LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
#40881 Parkes Substation 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.
