Sunflower Valley Storage
205.7 MW storage in Mitchell, TX · In queue since April 2025 · Proposed COD April 2029
205.7 MW
Capacity
1
Components
Battery
1y 3m
In Queue
Facility Study
IA Phase
COD target: 2029
Total Duration
4 years
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: 2029-04-17
Entered ERCOT queue, Facility Study phase
Sunflower Valley Storage, LLC is proposing a 205.7 MW hybrid battery storage project in Mitchell County, Texas. The project, identified as ERCOT-27INR0327 in the ERCOT interconnection queue, entered the queue on April 25, 2025, with a proposed commercial operation date of April 17, 2029. The point of interconnection is the 1414 Champion Creek Substation at 345 kV.
The Sunflower Valley Storage project is classified as a hybrid project, utilizing battery energy storage technology. The project is currently listed as active in the ERCOT queue. The project has appeared in recent news coverage.
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
Mitchell
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Sunflower Valley Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1414 Champion Creek Substation 345 kV
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 Sunflower Valley StorageForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
