Tomahawk Road BESS
205 MW storage in Ector, TX · In queue since August 2024 · Proposed COD March 2028
205 MW
Capacity
1
Components
Battery
1y 11m
In Queue
Facility Study
IA Phase
COD target: 2028
Total Duration
3y 7m
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: 2028-03-01
Entered ERCOT interconnection queue at Facility Study phase
The Tomahawk Road BESS is a proposed energy storage project located in Ector County, Texas, with a total capacity of 257.25 MW. The project, developed by Horizon Energy Storage Greenfield Project Holdings LLC, consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-27INR0341, with a queue entry date of August 16, 2024.
The proposed commercial operation date for the Tomahawk Road BESS is March 1, 2028. Its interconnection point is Tap 138 kV 1019 Moss - 1113 Odessa Southwest. The project's interconnection status is currently in the Facility Study phase.
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
Ector
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Horizon Energy Storage Greenfield Project Holdings LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 138 kV 1019 Moss - 1113 Odessa Southwest
Data Source
LBNL
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_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Moss Substation
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 Tomahawk Road BESSForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
