Soleil Storage
301.64 MW storage in Clay, TX · In queue since September 2022 · Proposed COD October 2027
301.64 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
5y 1m
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: 2027-10-01
Soleil Storage is a proposed 301.64 MW battery storage project located in Clay County, Texas. The project, developed by Soleil Solar, LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0098, with a queue entry date of September 2, 2022. The proposed commercial operation date is October 1, 2027, and the project's interconnection agreement status is currently in the Facility Study phase.
The Soleil Storage project consists entirely of battery storage with a total capacity of 301.64 MW. Recent news coverage indicates industry interest in the development.
Generated from interconnection queue and public data sources
State
TX
County
Clay
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Soleil Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345 kV 1730 Krum West Switch - 6111 Riley ckt 2
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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