Barton Branch IA
203.62 MW storage in Robertson, TX · In queue since March 2021 · Proposed COD October 2026
203.62 MW
Capacity
1
Components
Battery
5y 2m
In Queue
IA Executed
IA Phase
Signed Jun 2025
Queue → IA
4y 3m
IA → COD
1y 4m
Total Duration
4y 3m
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: 2026-10-01
The Tidwell Prairie III Batt project is a proposed 200 MW battery storage project located in Robertson County, Texas. Developed by Tidwell Prairie III LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-22INR0504. The project entered the interconnection queue on March 16, 2021, and has a proposed commercial operation date of October 1, 2026. Its interconnection status is currently in the Facility Study phase.
The development project consists of a 200 MW battery energy storage system. The point of interconnection is at the Tap 345kV 3400 Twin Oak - 39950 TNP One. The project is currently listed as active within the ERCOT interconnection queue.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
TX
County
Robertson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Barton Branch IA LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 3400 Twin Oak - 39950 TNP One
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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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