Van Zandt Energy Storage
256.58 MW storage in Ector, TX · In queue since June 2023 · Proposed COD April 2028
256.58 MW
Capacity
1
Components
Battery
2y 11m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
4y 10m
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: 2028-04-13
Van Zandt Energy Storage is a proposed 256.58 MW battery storage project in Ector County, Texas. Developed by Rocky Mountain Energy Holdings, LLC, the project consists entirely of battery storage. It is currently in the ERCOT interconnection queue as entry ERCOT-25INR0301, with a queue entry date of June 7, 2023, and a proposed commercial operation date of April 13, 2028. The project's interconnection status is currently in the Facility Study phase.
The proposed project's point of interconnection is the 1027 Odessa EHV Switch 138 kV. Van Zandt Energy Storage has been the subject of recent news coverage related to regulatory matters.
Generated from interconnection queue and public data sources
State
TX
County
Ector
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Rocky Mountain Energy Holdings, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
1027 Odessa EHV Switch 138 kV
Data Source
LBNL + Live
- 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.
Last updated 2026-03-26
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