Heartfield Storage
152 MW generation in Hidalgo, TX · In queue since September 2021
152 MW
Capacity
1
Components
Other
4y 8m
In Queue
Facility Study
IA Status
Total Duration
4y 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)
Commercial operation date not yet determined
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
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
- 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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