Waterloo Solar 1 (ERCOT-25INR0422) — Project Summary

Queue ID
ERCOT-25INR0422
Capacity
200.64 MW
Technology
Solar+Battery
Status
active
Location
Bastrop, TX
Region
ERCOT
Developer
Waterloo Solar, LLC
IA Status
IA Executed

Waterloo Solar 1

ERCOT-25INR0422BetaActiveSolarBatteryERCOTLBNL + Live

200.64 MW hybrid in Bastrop, TX · In queue since April 2023 · Proposed COD December 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

200.64 MW

Capacity

1

Components

Solar

3y 3m

In Queue

IA Executed

IA Phase

Signed Sep 2024

Interconnection

Queue → IA

1y 5m

IA → COD

3y 3m

Total Duration

1y 5m

Construction75%
Queue EntryApr 19, 2023

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 4, 2024

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–30 months

Commercial Operation

Proposed COD: 2027-12-01

Cross-source intelligence
Beta
High confidence·4 sources·as of 2026-06-01
Expected COD
2027-12-01
From queue filing
Developer
RWE Renewables
Filed as Waterloo Solar, LLC
Status
Active
Active — IA executed Sept 2024, construction underway as of Jan 2026
Financing
Secured
Long-term PPA with Constellation for 140 MW offtake to supply PepsiCo, McCormick, Best Buy, and ViacomCBS operations in Texas (announced 2021-2023)
Key milestones
IA executedSep 4, 2024

Interconnection Agreement executed with ERCOT

source
Groundbreaking2025

Construction underway and progressing steadily as of Jan 2026

source
COD targetDec 2027Most recent

ERCOT capacity tracking shows 2027 target COD

source
About

Waterloo Solar 1 is a proposed solar generation project located in Bastrop County, Texas, with a total capacity of 200.64 MW. Developed by Waterloo Solar, LLC, the project consists entirely of solar photovoltaic generation. It is currently in the ERCOT interconnection queue as entry ERCOT-25INR0422, with a queue entry date of April 19, 2023.

The proposed commercial operation date for Waterloo Solar 1 is December 1, 2027. Its interconnection status is currently in the Facility Study phase. The point of interconnection is the AUSTROP TO GARFIELD 345kV LINE [Bus # 7040 - 7048].

Generated from interconnection queue and public data sources

Development Risk

Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Financing close probability
EPC + tax-equity counterparty
Project Details

State

TX

County

Bastrop

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Waterloo Solar, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

AUSTROP TO GARFIELD 345kV LINE [Bus # 7040 - 7048]

Data Source

LBNL + Live

Risk Analytics

Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected 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 — first-year production estimate and 10-year P50 trajectory, 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
First-year output estimate
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price 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 revenue projection
First-year DSCR
Financing close risk
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_NORTH
Hub Confidence
LOW

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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InfraSure platform

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