Half Moon Solar
512.5 MW generation in Starr, TX · In queue since January 2025 · Proposed COD July 2029
512.5 MW
Capacity
0
Components
1y 4m
In Queue
—
IA Status
Signed Sep 2025
Queue → IA
8 months
IA → COD
3y 10m
Total Duration
8 months
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 12–24 months
Proposed COD: 2029-07-01
Half Moon Solar is a proposed 512.5 MW solar generation project located in Starr County, Texas. The project, being developed by NextEra Energy Interconnection Holdings, LLC, is in the ERCOT interconnection queue as entry ERCOT-28INR0127, with a queue entry date of January 13, 2025. The proposed commercial operation date is July 1, 2029, and the interconnection agreement date is September 8, 2025. The point of interconnection is #80231 Pronto 345kV.
The Half Moon Solar project has been featured in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Starr
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
NextEra Energy Interconnection Holdings, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
#80231 Pronto 345kV
Data Source
Live · ERCOT
- 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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