Monte Alto I
141.5 MW generation in Willacy, TX · In queue since November 2016 · Proposed COD June 2028
141.5 MW
Capacity
1
Components
Wind
9y 6m
In Queue
IA Executed
IA Status
Signed Feb 2020
Queue → IA
3y 3m
IA → COD
8y 4m
Total Duration
3y 3m
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: 18–36 months
Proposed COD: 2028-06-01
The Monte Alto I project is a proposed 141.5 MW wind generation project located in Willacy County, Texas. Developed by Terra-Gen, it is interconnected within the ERCOT region under queue ID ERCOT-19INR0022. The project entered the interconnection queue on November 4, 2016, and has a proposed commercial operation date of June 1, 2028. An Interconnection Agreement (IA) was executed on February 13, 2020. The point of interconnection is at the tap 345kV 8318 Rio Hondo - 8383 N Edinburg.
The Monte Alto I project has been the subject of recent news coverage, with 35 articles mentioning the project. These articles primarily focus on deals within the energy industry.
Generated from interconnection queue and public data sources
State
TX
County
Willacy
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Terra-Gen
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap 345kV 8318 Rio Hondo - 8383 N Edinburg
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Rio Hondo 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.
Last updated 2026-03-26
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