Prairie Hill Wind

ERCOT-19INR0100BetaActiveWindERCOTLBNL + Live

297.2 MW generation in Mclennan, TX · In queue since June 2017 · Proposed COD September 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

297.2 MW

Capacity

Components

Wind

9y 1m

In Queue

IA Executed

IA Phase

Signed Sep 2018

Status

as of 5y 1m ago

Project statusUnder constructionKWTX · 2020-06-29

Latest milestonecommissioned · 2020-12Engie.com · 2021-06-22

Interconnection

Queue → IA

1y 3m

IA → COD

9 years

Total Duration

1y 3m

Construction75%

Queue EntryJun 19, 2017

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 AgreementSep 17, 2018

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–36 months

Commercial Operation

Proposed COD: 2027-09-30

Cross-source intelligence

Beta

High confidence·8 sources·as of 2026-06-01

Expected COD

Dec 2020

Queue date 3+ years staleQueue: 2027-09-30

Developer

ENGIE North America

Filed as Prairie Hill LLC

Status

Online

Online since December 2020 — currently undergoing turbine replacement/repowering (100 old turbines being replaced with 63 new, more efficient models as of Q1 2026)

Financing

Secured

Original project financed and operational since 2020. PPA with Walmart Inc. announced October 2019. Repowering project financing not publicly disclosed but construction underway.

Key milestones

IA executedSep 17, 2018

Interconnection Agreement executed per LBNL queue data

source

Financing closeOct 2019

PPA with Walmart Inc. announced, enabling project financing

source

COD targetDec 2020

Project commissioned and operational with 100 Nordex turbines

source

GroundbreakingFeb 2026Most recent

Repowering project begins: demolition of 100 existing turbines to replace with 63 new, more efficient models

source

About

Prairie Hill Wind is a proposed 300 MW wind generation project located in McLennan County, Texas. Developed by Prairie Hill LLC, the project is interconnected within the ERCOT region and entered the ERCOT interconnection queue as ERCOT-19INR0100 on June 19, 2017. The project's proposed commercial operation date is September 30, 2027. An Interconnection Agreement (IA) was executed on September 17, 2018.

The point of interconnection (POI) is at the tap 345kV 3405 Tradinghouse - 3402 Lake Creek. The project has been mentioned in recent news coverage pertaining to regulatory and grid-related topics.

Generated from interconnection queue and public data sources

ERCOT Queue

Development Risk

Realization history for this asset — final cost vs plan, COD slip vs original date, and construction duration vs cohort. Retrospective context for the operating risk view above. Powered by InfraSure's development-stage modeling stack.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

Final cost vs plan

COD vs original date

Construction duration vs cohort

Project Details

State

County

Mclennan

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Prairie Hill LLC

Utility

—

Entity

ERCOT

Service Type

—

Point of Interconnection

tap 345kV 3405 Tradinghouse - 3402 Lake Creek

Data Source

LBNL + Live

DeveloperENGIE±Engie.com · 2021-06-22

EPC contractorNordex GroupNS Energy · 2019-06-19

TransactionPPAThe Business Journals · 2019-10-22

OfftakerWalmart Inc.The Business Journals · 2019-10-22

Risk Analytics

Composite operating risk view for this asset — climate hazards across its remaining operating life, observed generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)

Generation variability (P10/P50/P90)

Offtake + transmission counterparty

Generation Forecast

Forward generation outlook — 10-year P50 trajectory accounting for degradation, observed curtailment, and market conditions, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

10-year P50 forecast

Degradation-adjusted CF

Weather + policy scenarios

Financial Forecast

Forward revenue, DSCR bands, and refinancing risk for this asset — 10-year cashflow projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year cashflow horizon

P10 / P50 / P90 DSCR bands

Price + demand + policy scenarios

Market Context

Approximate

ISO / RTO: ERCOT
Trading Hub: HB_NORTH
Hub Confidence: MEDIUM
Nearest Node (Estimated): JAG_SLR_RN
POI Substation: Tradinghouse 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.

Insights & Articles (4)Beta

Last updated 2026-03-26

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Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.

Prairie Hill Wind (ERCOT-19INR0100) — Project Summary

Prairie Hill Wind