Big River Solar
104.35 MW generation in Zapata, TX · In queue since May 2021 · Proposed COD December 2028
104.35 MW
Capacity
1
Components
Solar
5 years
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
7y 7m
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: 2028-12-31
Big River Solar is a proposed solar generation project located in Zapata County, Texas, with a total capacity of 104.35 MW. Developed by Rio Grande River Solar LLC, the project is currently in the ERCOT interconnection queue as entry ERCOT-23INR0215, with a queue entry date of May 4, 2021. The proposed commercial operation date is December 31, 2028, and the project's interconnection agreement status is currently in the Facility Study phase.
The Big River Solar project has been the subject of recent news coverage, with six articles categorized as regulatory matters. The point of interconnection is tap 138kV 8299 Zapata - 8957 Lopeno4A.
Generated from interconnection queue and public data sources
State
TX
County
Zapata
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Rio Grande River Solar LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
tap 138kV 8299 Zapata - 8957 Lopeno4A
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- BRP_ZPT1_RN
- POI Substation
- Zapata 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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