Hill Valley BESS
245.8 MW storage in Grimes, TX · In queue since December 2023 · Proposed COD July 2028
245.8 MW
Capacity
1
Components
Battery
2y 7m
In Queue
Facility Study
IA Phase
COD target: 2028
Total Duration
4y 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: 2028-07-15
The Hill Valley BESS project is a proposed 245.8 MW battery storage project located in Grimes County, Texas. Developed by Hill Valley BESS, LLC, the project is currently in the ERCOT interconnection queue as entry ERCOT-26INR0285, with a queue entry date of December 4, 2023. The proposed commercial operation date is July 15, 2028.
The project's interconnection status is currently in the Facility Study phase. The Point of Interconnection (POI) is the 345 kV Singleton substation (#44645). The project has appeared in recent news.
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
Grimes
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Hill Valley BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
345 kV Singleton (#44645)
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 Hill Valley BESSForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
