Heartfield Storage
152 MW generation in Hidalgo, TX · In queue since September 2021 · Proposed COD May 2023
152 MW
Capacity
1
Components
Other
4y 10m
In Queue
Facility Study
IA Phase
COD target: 2023
Total Duration
1y 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: 2023-05-31
Heartfield Storage is a proposed 152 MW energy storage project in Hidalgo County, Texas, being developed by Belltown Power Texas. The project is interconnected to the ERCOT grid under queue ID ERCOT-23INR0378, with an interconnection queue entry date of September 10, 2021. Its interconnection status is currently in the Facility Study phase.
The project, which utilizes "Other" technology as classified in the interconnection queue, is currently listed as suspended. The point of interconnection (POI) is the 138kV Weslaco Unit (Bus #8348). 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
Hidalgo
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Belltown Power Texas
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
138kV Weslaco Unit (Bus #8348)
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_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 Heartfield StorageForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.