Middlebrook BESS
158.63 MW generation in Nacogdoches, TX · In queue since October 2022 · Proposed COD June 2027
158.63 MW
Capacity
1
Components
Battery
3y 9m
In Queue
IA Executed
IA Phase
Signed Jul 2025
Queue → IA
2y 9m
IA → COD
1y 11m
Total Duration
2y 9m
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: 18–30 months
Proposed COD: 2027-06-30
Middlebrook BESS is a proposed 158.63 MW battery storage project located in Nacogdoches County, Texas. The project, developed by Middlebrook Solar LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0215, with a queue entry date of October 24, 2022. The proposed commercial operation date is June 30, 2027.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the Tap Stryker [3109] - Lufkin [3117] 345 kV line.
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
Nacogdoches
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Middlebrook Solar LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 3109 Stryker - 3117 Lufkin
Data Source
LBNL
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 Middlebrook BESSForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
