Fierce River Solar (ERCOT-27INR0221) — Project Summary

Queue ID
ERCOT-27INR0221
Capacity
895.67 MW
Technology
Solar
Status
active
Location
Starr, TX
Region
ERCOT
Developer
Rio Grande Solar LLC
IA Status
Facility Study

Fierce River Solar

ERCOT-27INR0221BetaActiveSolarERCOTLBNL

895.67 MW generation in Starr, TX · In queue since March 2024 · Proposed COD December 2028

895.67 MW

Capacity

1

Components

Solar

2y 2m

In Queue

Facility Study

IA Status

COD target: 2028

Interconnection

Total Duration

4y 9m

Facilities Study50%
Queue EntryMar 22, 2024

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-12-06

About

Fierce River Solar is a proposed 895.67 MW solar generation project located in Starr County, Texas. The project, developed by Rio Grande Solar LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-27INR0221, with a queue entry date of March 22, 2024. The proposed commercial operation date is December 6, 2028. Its interconnection status is currently in the Facility Study phase.

The point of interconnection for Fierce River Solar is Tap 345 kV 80355 Del Sol - 80119 Frontera Ckt 1. The project has appeared in recent news coverage regarding renewable energy development in Texas.

Generated from interconnection queue and public data sources

Project Details

State

TX

County

Starr

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Rio Grande Solar LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Tap 345 kV 80355 Del Sol - 80119 Frontera Ckt 1

Data Source

LBNL

Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_WEST
Hub Confidence
MEDIUM
POI Substation
Mesa del Sol 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.

No news available for this project.