Tidwell Prairie Storage 1 (ERCOT-21INR0517) — Project Summary

Queue ID
ERCOT-21INR0517
Capacity
200.6 MW
Technology
Battery
Status
active
Location
Robertson, TX
Region
ERCOT
Developer
Tidwell Prairie LLC
IA Status
IA Executed

Tidwell Prairie Storage 1

ERCOT-21INR0517BetaActiveBatteryERCOTLBNL

200.6 MW storage in Robertson, TX · In queue since July 2020 · Proposed COD June 2025

200.6 MW

Capacity

1

Components

Battery

5y 10m

In Queue

IA Executed

IA Status

Signed Nov 2022

Interconnection

Queue → IA

2y 4m

IA → COD

2y 7m

Total Duration

2y 4m

Schedule

11 months past proposed COD

Construction75%
Queue EntryJul 24, 2020

Interconnection request submitted to ISO/RTO

Interconnection Study

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

Typical: 18–30 months (fastest major ISO)

Interconnection AgreementNov 3, 2022

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2025-06-01

About

Tidwell Prairie Storage 1 is a proposed 200.6 MW battery storage project located in Robertson County, Texas. The project is being developed by Tidwell Prairie LLC and is interconnected within the ERCOT region under queue ID ERCOT-21INR0517. The project entered the queue on July 24, 2020, and has a proposed commercial operation date of June 1, 2025. The Interconnection Agreement (IA) for the project was executed on November 3, 2022.

The proposed project is linked to the existing Tidwell Prairie II operating plant (EIA plant ID 68425). Recent news coverage indicates activity related to deals involving the project.

Generated from interconnection queue and public data sources

Project Details

State

TX

County

Robertson

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Tidwell Prairie LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

39950 TNP ONE PLANT 345kV - 3400 TWIN OAK

Data Source

LBNL

Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_NORTH
Hub Confidence
HIGH
Nearest Node (Estimated)
TDWLPR_1_RN
POI Substation
Phillips Coal 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.

No ask pi reports yet for this entity.

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