Tidwell Prairie II Batt
203.62 MW storage in Robertson, TX · In queue since March 2021 · Proposed COD August 2026
203.62 MW
Capacity
1
Components
Battery
5y 4m
In Queue
IA Executed
IA Phase
Signed Jan 2025
Queue → IA
3y 10m
IA → COD
1y 7m
Total Duration
3y 10m
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: 2026-08-04
The Tidwell Prairie II Batt project is a proposed 200 MW battery storage project located in Robertson County, Texas. The developer is TIDWELL PRAIRIE II LLC. It is currently in the ERCOT interconnection queue as entry ERCOT-22INR0503, with a queue entry date of March 16, 2021. The proposed commercial operation date is July 1, 2026, and the project's interconnection agreement status is currently in the Facility Study phase.
The project consists of 200 MW of battery storage capacity. It is interconnected at Tap 345kV 3400 Twin Oak - 39950 TNP One. The project has appeared in recent news coverage.
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
TIDWELL PRAIRIE II 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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Ask about Tidwell Prairie II BattForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
