Operation Sunshine Storage
409.5 MW storage in Concho, TX · In queue since February 2024 · Proposed COD March 2028
409.5 MW
Capacity
1
Components
Battery
2y 3m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
4y 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: 2028-03-12
Operation Sunshine Storage is a proposed 409.5 MW battery storage project located in Concho County, Texas. Developed by Duck Creek Storage, LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-26INR0357, with a queue entry date of February 2, 2024. The proposed commercial operation date is March 12, 2028, and the project's interconnection agreement status is currently in the Facility Study phase.
The project consists entirely of battery storage, with a total capacity of 409.5 MW. The point of interconnection is the 7077 Amos Creek 345kV substation. The project has appeared in recent news coverage regarding energy storage development in Texas.
Generated from interconnection queue and public data sources
State
TX
County
Concho
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Duck Creek Storage, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
7077 Amos Creek 345kV
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.
