SP TX-12B Phase III
40 MW generation in Upton, TX · In queue since September 2018 · Proposed COD December 2025
40 MW
Capacity
1
Components
Solar
7y 8m
In Queue
Facility Study
IA Status
COD target: 2025
Total Duration
7y 3m
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: 2025-12-02
The SP TX-12B Phase III project is a proposed 40 MW solar generation project located in Upton County, Texas. Developed by ConEd Development, the project entered the ERCOT interconnection queue as entry ERCOT-19INR0189 on September 12, 2018. The proposed commercial operation date is December 2, 2025.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 76040 Castillo 138kV. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Upton
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
ConEd Development
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
76040 Castillo 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- FWLR_SLR_1
- POI Substation
- Castillo Substation
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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