Maderagemela BESS1
153.96 MW storage in Waller, TX · In queue since February 2024 · Proposed COD October 2027
153.96 MW
Capacity
1
Components
Battery
2y 5m
In Queue
Facility Study
IA Phase
COD target: 2027
Total Duration
3y 8m
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: 2027-10-27
The Maderagemela BESS1 project is a proposed 153.96 MW battery storage project located in Waller County, Texas. Developed by Twinwood ES1, LLC, the project entered the ERCOT interconnection queue as ERCOT-26INR0426 on February 27, 2024. The proposed commercial operation date is October 27, 2027.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is Tap 138kV 44750 FULSHR_S25_8 to 44860 TWINWD_S25_8.
Generated from interconnection queue and public data sources
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.
See the full development-risk decomposition for this project.
State
TX
County
Waller
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Twinwood ES1, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138kV 44750 FULSHR_S25_8 to 44860 TWINWD_S25_8
Data Source
LBNL + Live
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.
See the full risk decomposition + scenarios for this project.
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.
See the full forecast + scenario decomposition for this project.
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.
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.
No Ask reports yet for this entity.
Ask about Maderagemela BESS1Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
