Quail Run Storage System
51.56 MW storage in Ector, TX · In queue since February 2021 · Proposed COD February 2026
51.56 MW
Capacity
1
Components
Battery
5y 3m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
5 years
Schedule
3 months past proposed COD
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: 2026-02-01
The Quail Run Storage System is a proposed 51.56 MW battery storage project located in Ector County, Texas. Developed by Quail Run Energy Partners, LP, the project consists entirely of battery storage. It is currently active in the ERCOT interconnection queue as entry ERCOT-22INR0494, with a queue entry date of February 9, 2021, and a proposed commercial operation date of February 1, 2026. The project's interconnection agreement status is currently in the Facility Study phase.
The Quail Run Storage System development has been the subject of recent news coverage, with seven articles focusing on regulatory matters and deal activity.
Generated from interconnection queue and public data sources
State
TX
County
Ector
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Quail Run Energy Partners, LP
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
11016 Quail Switch 345kV
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.
Last updated 2026-03-26
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