Painted Horse Storage
53.22 MW storage in Wilson, TX · In queue since July 2020 · Proposed COD December 2025
53.22 MW
Capacity
1
Components
Battery
5y 10m
In Queue
Facility Study
IA Status
COD target: 2025
Total Duration
5y 5m
Schedule
5 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: 2025-12-15
The Painted Horse Storage project is a proposed 53.22 MW battery energy storage system in Wilson County, Texas. It is being developed by RWE Solar Development, LLC. The project is currently active in the ERCOT interconnection queue as entry ERCOT-22INR0364, with a queue entry date of July 2, 2020. The proposed commercial operation date is December 15, 2025, and the project's interconnection agreement status is currently in the Facility Study phase.
The point of interconnection for the Painted Horse Storage project is the tap 345kV 5915 STP - 5133 Elm Creek ckt 1. The project has appeared in recent news coverage regarding energy storage developments in the ERCOT region.
Generated from interconnection queue and public data sources
State
TX
County
Wilson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
RWE Solar Development, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap 345kV 5915 STP - 5133 Elm Creek ckt 1
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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