Castro Solar
222.95 MW generation in Castro, TX · In queue since February 2018 · Proposed COD September 2028
222.95 MW
Capacity
1
Components
Solar
8y 3m
In Queue
IA Executed
IA Status
Signed Nov 2020
Queue → IA
2y 9m
IA → COD
7y 10m
Total Duration
2y 9m
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: 2028-09-20
The Castro Solar project is a proposed 222.95 MW solar generation facility in Castro County, Texas. The project, developed by Castro Solar One, LLC, is interconnected within the ERCOT region. It consists of 222.95 MW of solar capacity.
The project entered the ERCOT interconnection queue as ERCOT-20INR0050 on February 8, 2018. Its proposed commercial operation date is September 20, 2028. An Interconnection Agreement (IA) was executed on November 30, 2020, and the IA status is listed as "IA Executed". The Point of Interconnection (POI) is the 23912 Ogallala 345kV.
Generated from interconnection queue and public data sources
State
TX
County
Castro
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Castro Solar One, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
23912 Ogallala 345kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Ogallala 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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