Texas Deepwater BESS (ERCOT-29INR0245) — Project Summary

Queue ID
ERCOT-29INR0245
Capacity
313.29 MW
Technology
Battery
Status
active
Location
Harris, TX
Region
ERCOT
Developer
TDWP Partners LLC
IA Status

Texas Deepwater BESS

ERCOT-29INR0245BetaActiveOtherBattery Energy StorageERCOTLive · ERCOT

313.29 MW hybrid in Harris, TX · In queue since February 2026 · Proposed COD March 2029

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

313.29 MW

Capacity

0

Components

5 months

In Queue

IA Status

COD target: 2029

Interconnection

Total Duration

3y 1m

Pre-Study0%
Queue EntryFeb 13, 2026

Interconnection request submitted to ISO/RTO

Interconnection Study

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2029-03-05

Cross-source intelligence
Beta
Low confidence·0 sources·as of 2026-06-01
Expected COD
2029-03-05
From queue filing
Developer
TDWP Partners LLC
From queue filing
Status
Active
Active — queue position secured, no public announcements on construction timeline or financing
Financing
Unannounced
Key milestones
COD targetMar 5, 2029Most recent

Proposed commercial operation date per ERCOT interconnection queue filing

About

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

Development Risk

Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Withdrawal probability vs cohort
IA cluster risk
Project Details

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

Risk Analytics

Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability (P10/P50/P90)
Offtake + transmission counterparty
Generation Forecast

Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

P50 conditioned on COD
Capacity factor vs cohort
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
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.

No insights available for this project.
InfraSure platform

Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.